Файл: js/redactor/redactor.full.js
Строк: 4139
/**
 * @preserve
 * Redactor v8.2.6
 * Updated: April 6, 2013
 *
 * http://redactorjs.com/
 *
 * Copyright (c) 2009-2013, Imperavi Inc.
 * License: http://redactorjs.com/license/
 *
 * Usage: $('#content').redactor();
*/
var rwindow, rdocument;
if (typeof RELANG === 'undefined')
{
    var RELANG = {};
}
var RLANG = {
    html: 'HTML',
    video: 'Insert Video',
    image: 'Insert Image',
    table: 'Table',
    link: 'Link',
    link_insert: 'Insert link',
    unlink: 'Unlink',
    formatting: 'Formatting',
    paragraph: 'Paragraph',
    quote: 'Quote',
    code: 'Code',
    header1: 'Header 1',
    header2: 'Header 2',
    header3: 'Header 3',
    header4: 'Header 4',
    bold:  'Bold',
    italic: 'Italic',
    fontcolor: 'Font Color',
    backcolor: 'Back Color',
    unorderedlist: 'Unordered List',
    orderedlist: 'Ordered List',
    outdent: 'Outdent',
    indent: 'Indent',
    cancel: 'Cancel',
    insert: 'Insert',
    save: 'Save',
    _delete: 'Delete',
    insert_table: 'Insert Table',
    insert_row_above: 'Add Row Above',
    insert_row_below: 'Add Row Below',
    insert_column_left: 'Add Column Left',
    insert_column_right: 'Add Column Right',
    delete_column: 'Delete Column',
    delete_row: 'Delete Row',
    delete_table: 'Delete Table',
    rows: 'Rows',
    columns: 'Columns',
    add_head: 'Add Head',
    delete_head: 'Delete Head',
    title: 'Title',
    image_position: 'Position',
    none: 'None',
    left: 'Left',
    right: 'Right',
    image_web_link: 'Image Web Link',
    text: 'Text',
    mailto: 'Email',
    web: 'URL',
    video_html_code: 'Video Embed Code',
    file: 'Insert File',
    upload: 'Upload',
    download: 'Download',
    choose: 'Choose',
    or_choose: 'Or choose',
    drop_file_here: 'Drop file here',
    align_left:    'Align text to the left',
    align_center: 'Center text',
    align_right: 'Align text to the right',
    align_justify: 'Justify text',
    horizontalrule: 'Insert Horizontal Rule',
    deleted: 'Deleted',
    anchor: 'Anchor',
    link_new_tab: 'Open link in new tab',
    underline: 'Underline',
    alignment: 'Alignment'
};
(function($){
    // Plugin
    jQuery.fn.redactor = function(option)
    {
        return this.each(function()
        {
            var $obj = $(this);
            var data = $obj.data('redactor');
            if (!data)
            {
                $obj.data('redactor', (data = new Redactor(this, option)));
            }
        });
    };
    // Initialization
    var Redactor = function(element, options)
    {
        // Element
        this.$el = $(element);
        // Lang
        if (typeof options !== 'undefined' && typeof options.lang !== 'undefined' && options.lang !== 'en' && typeof RELANG[options.lang] !== 'undefined')
        {
            RLANG = RELANG[options.lang];
        }
        // Options
        this.opts = $.extend({
            iframe: false,
            css: false, // url
            iframeBase: false, //
            lang: 'en',
            direction: 'ltr', // ltr or rtl
            callback: false, // function
            keyupCallback: false, // function
            keydownCallback: false, // function
            execCommandCallback: false, // function
            insertHtmlCallback: false, // function
            pastePreventCallback: false, // function
            pasteManipulateCallback: false, //function
            pasteCleanUpCallback: false, // function
            modalCreateCallback: false, // function
            modalLoadCallback: false, // function
            execCommandHandler: {},
            plugins: false,
            cleanup: true,
            focus: false,
            tabindex: false,
            autoresize: true,
            minHeight: false,
            fixed: false,
            fixedTop: 0, // pixels
            fixedBox: false,
            source: true,
            shortcuts: true,
            insertTab: false,
            mobile: true,
            air: false, // true or toolbar
            wym: false,
            convertLinks: true,
            convertDivs: true,
            protocol: 'http://', // for links http or https or ftp or false
            autosave: false, // false or url
            autosaveCallback: false, // function
            interval: 60, // seconds
            imageGetJson: false, // url (ex. /folder/images.json ) or false
            imageUpload: false, // url
            imageUploadCallback: false, // function
            imageUploadErrorCallback: false, // function
            fileUpload: false, // url
            fileUploadCallback: false, // function
            fileUploadErrorCallback: false, // function
            uploadCrossDomain: false,
            uploadFields: false,
            observeImages: true,
            overlay: true, // modal overlay
            allowedTags: ["form", "input", "button", "select", "option", "datalist", "output", "textarea", "fieldset", "legend",
                    "section", "header", "hgroup", "aside", "footer", "article", "details", "nav", "progress", "time", "canvas",
                    "code", "span", "div", "label", "a", "br", "p", "b", "i", "del", "strike", "u", "font",
                    "img", "video", "source", "track", "audio", "iframe", "object", "embed", "param", "blockquote",
                    "mark", "cite", "small", "ul", "ol", "li", "hr", "dl", "dt", "dd", "sup", "sub",
                    "big", "pre", "code", "figure", "figcaption", "strong", "em", "table", "tr", "td",
                    "th", "tbody", "thead", "tfoot", "h1", "h2", "h3", "h4", "h5", "h6"],
            toolbarExternal: false, // ID selector
            buttonsCustom: {},
            buttonsAdd: [],
            buttons: ['html', '|', 'formatting', '|', 'bold', 'italic', 'deleted', '|', 'unorderedlist', 'orderedlist', 'outdent', 'indent', '|',
                    'image', 'video', 'file', 'table', 'link', '|',
                    'fontcolor', 'backcolor', '|', 'alignment', '|', 'horizontalrule'], // 'underline', 'alignleft', 'aligncenter', 'alignright', 'justify'
            airButtons: ['formatting', '|', 'bold', 'italic', 'deleted', '|', 'unorderedlist', 'orderedlist', 'outdent', 'indent', '|', 'fontcolor', 'backcolor'],
            formattingTags: ['p', 'blockquote', 'pre', 'h1', 'h2', 'h3', 'h4'],
            activeButtons: ['deleted', 'italic', 'bold', 'underline', 'unorderedlist', 'orderedlist'], // 'alignleft', 'aligncenter', 'alignright', 'justify'
            activeButtonsStates: {
                b: 'bold',
                strong: 'bold',
                i: 'italic',
                em: 'italic',
                del: 'deleted',
                strike: 'deleted',
                s: 'deleted',
                ul: 'unorderedlist',
                ol: 'orderedlist',
                u: 'underline'
            },
            activeButtonStateMap: {
                bold: 'bold',
                italic: 'italic',
                underline: 'underline',
                deleted: 'strikethrough'
            },
            allowJustify: true,
            cleanupFontTags: true,
            colors: [
                '#ffffff', '#ff9999', '#ffcc99', '#ffff99', '#ccff99', '#99ff99', '#99ffcc', '#99ffff', '#99ccff', '#9999ff', '#cc99ff', '#ff99ff', '#ff99cc',
                '#bfbfbf', '#ff4d4d', '#ffa64d', '#ffff4d', '#a6ff4d', '#4dff4d', '#4dffa6', '#4dffff', '#4da6ff', '#4d4dff', '#a64dff', '#ff4dff', '#ff4da6',
                '#808080', '#ff0000', '#ff8000', '#ffff00', '#80ff00', '#00ff00', '#00ff80', '#00ffff', '#0080ff', '#0000ff', '#8000ff', '#ff00ff', '#ff0080',
                '#404040', '#b30000', '#b35900', '#b3b300', '#59b300', '#00b300', '#00b359', '#00b3b3', '#0059b3', '#0000b3', '#5900b3', '#b300b3', '#b30059',
                '#000000', '#660000', '#663300', '#666600', '#336600', '#006600', '#006633', '#006666', '#003366', '#000066', '#330066', '#660066', '#660033'
            ],
            colorWidth: 247,
            // private
            emptyHtml: '<p>' + (!this.browser('msie') ? '<br />' : '') + '</p>',
            buffer: false,
            visual: true,
            // modal windows container
            modal_file: String() +
                '<div id="redactor_modal_content">' +
                '<form id="redactorUploadFileForm" method="post" action="" enctype="multipart/form-data">' +
                    '<label>Name (optional)</label>' +
                    '<input type="text" id="redactor_filename" class="redactor_input" />' +
                    '<div style="margin-top: 7px;">' +
                        '<input type="file" id="redactor_file" name="file" />' +
                    '</div>' +
                '</form><br>' +
                '</div>',
            modal_image_edit: String() +
                '<div id="redactor_modal_content">' +
                '<label>' + RLANG.title + '</label>' +
                '<input id="redactor_file_alt" class="redactor_input" />' +
                '<label>' + RLANG.link + '</label>' +
                '<input id="redactor_file_link" class="redactor_input" />' +
                '<label>' + RLANG.image_position + '</label>' +
                '<select id="redactor_form_image_align">' +
                    '<option value="none">' + RLANG.none + '</option>' +
                    '<option value="left">' + RLANG.left + '</option>' +
                    '<option value="right">' + RLANG.right + '</option>' +
                '</select>' +
                '</div>' +
                '<div id="redactor_modal_footer">' +
                    '<a href="javascript:void(null);" id="redactor_image_delete_btn" class="redactor_modal_btn">' + RLANG._delete + '</a>   ' +
                    '<a href="javascript:void(null);" class="redactor_modal_btn redactor_btn_modal_close">' + RLANG.cancel + '</a>' +
                    '<input type="button" name="save" class="redactor_modal_btn" id="redactorSaveBtn" value="' + RLANG.save + '" />' +
                '</div>',
            modal_image: String() +
                '<div id="redactor_modal_content">' +
                '<div id="redactor_tabs">' +
                    '<a href="javascript:void(null);" class="redactor_tabs_act">' + RLANG.upload + '</a>' +
                    '<a href="javascript:void(null);">' + RLANG.choose + '</a>' +
                    '<a href="javascript:void(null);">' + RLANG.link + '</a>' +
                '</div>' +
                '<form id="redactorInsertImageForm" method="post" action="" enctype="multipart/form-data">' +
                    '<div id="redactor_tab1" class="redactor_tab">' +
                        '<input type="file" id="redactor_file" name="file" />' +
                    '</div>' +
                    '<div id="redactor_tab2" class="redactor_tab" style="display: none;">' +
                        '<div id="redactor_image_box"></div>' +
                    '</div>' +
                '</form>' +
                '<div id="redactor_tab3" class="redactor_tab" style="display: none;">' +
                    '<label>' + RLANG.image_web_link + '</label>' +
                    '<input type="text" name="redactor_file_link" id="redactor_file_link" class="redactor_input"  />' +
                '</div>' +
                '</div>' +
                '<div id="redactor_modal_footer">' +
                    '<a href="javascript:void(null);" class="redactor_modal_btn redactor_btn_modal_close">' + RLANG.cancel + '</a>' +
                    '<input type="button" name="upload" class="redactor_modal_btn" id="redactor_upload_btn" value="' + RLANG.insert + '" />' +
                '</div>',
            modal_link: String() +
                '<div id="redactor_modal_content">' +
                '<form id="redactorInsertLinkForm" method="post" action="">' +
                    '<div id="redactor_tabs">' +
                        '<a href="javascript:void(null);" class="redactor_tabs_act">URL</a>' +
                        '<a href="javascript:void(null);">Email</a>' +
                        '<a href="javascript:void(null);">' + RLANG.anchor + '</a>' +
                    '</div>' +
                    '<input type="hidden" id="redactor_tab_selected" value="1" />' +
                    '<div class="redactor_tab" id="redactor_tab1">' +
                        '<label>URL</label><input type="text" id="redactor_link_url" class="redactor_input"  />' +
                        '<label>' + RLANG.text + '</label><input type="text" class="redactor_input redactor_link_text" id="redactor_link_url_text" />' +
                        '<label><input type="checkbox" id="redactor_link_blank"> ' + RLANG.link_new_tab + '</label>' +
                    '</div>' +
                    '<div class="redactor_tab" id="redactor_tab2" style="display: none;">' +
                        '<label>Email</label><input type="text" id="redactor_link_mailto" class="redactor_input" />' +
                        '<label>' + RLANG.text + '</label><input type="text" class="redactor_input redactor_link_text" id="redactor_link_mailto_text" />' +
                    '</div>' +
                    '<div class="redactor_tab" id="redactor_tab3" style="display: none;">' +
                        '<label>' + RLANG.anchor + '</label><input type="text" class="redactor_input" id="redactor_link_anchor"  />' +
                        '<label>' + RLANG.text + '</label><input type="text" class="redactor_input redactor_link_text" id="redactor_link_anchor_text" />' +
                    '</div>' +
                '</form>' +
                '</div>' +
                '<div id="redactor_modal_footer">' +
                    '<a href="javascript:void(null);" class="redactor_modal_btn redactor_btn_modal_close">' + RLANG.cancel + '</a>' +
                    '<input type="button" class="redactor_modal_btn" id="redactor_insert_link_btn" value="' + RLANG.insert + '" />' +
                '</div>',
            modal_table: String() +
                '<div id="redactor_modal_content">' +
                    '<label>' + RLANG.rows + '</label>' +
                    '<input type="text" size="5" value="2" id="redactor_table_rows" />' +
                    '<label>' + RLANG.columns + '</label>' +
                    '<input type="text" size="5" value="3" id="redactor_table_columns" />' +
                '</div>' +
                '<div id="redactor_modal_footer">' +
                    '<a href="javascript:void(null);" class="redactor_modal_btn redactor_btn_modal_close">' + RLANG.cancel + '</a>' +
                    '<input type="button" name="upload" class="redactor_modal_btn" id="redactor_insert_table_btn" value="' + RLANG.insert + '" />' +
                '</div>',
            modal_video: String() +
                '<div id="redactor_modal_content">' +
                '<form id="redactorInsertVideoForm">' +
                    '<label>' + RLANG.video_html_code + '</label>' +
                    '<textarea id="redactor_insert_video_area" style="width: 99%; height: 160px;"></textarea>' +
                '</form>' +
                '</div>'+
                '<div id="redactor_modal_footer">' +
                    '<a href="javascript:void(null);" class="redactor_modal_btn redactor_btn_modal_close">' + RLANG.cancel + '</a>' +
                    '<input type="button" class="redactor_modal_btn" id="redactor_insert_video_btn" value="' + RLANG.insert + '" />' +
                '</div>',
            toolbar: {
                html:
                {
                    title: RLANG.html,
                    func: 'toggle'
                },
                formatting:
                {
                    title: RLANG.formatting,
                    func: 'show',
                    dropdown:
                    {
                        p:
                        {
                            title: RLANG.paragraph,
                            exec: 'formatblock'
                        },
                        blockquote:
                        {
                            title: RLANG.quote,
                            exec: 'formatblock',
                            className: 'redactor_format_blockquote'
                        },
                        pre:
                        {
                            title: RLANG.code,
                            exec: 'formatblock',
                            className: 'redactor_format_pre'
                        },
                        h1:
                        {
                            title: RLANG.header1,
                            exec: 'formatblock',
                            className: 'redactor_format_h1'
                        },
                        h2:
                        {
                            title: RLANG.header2,
                            exec: 'formatblock',
                            className: 'redactor_format_h2'
                        },
                        h3:
                        {
                            title: RLANG.header3,
                            exec: 'formatblock',
                            className: 'redactor_format_h3'
                        },
                        h4:
                        {
                            title: RLANG.header4,
                            exec: 'formatblock',
                            className: 'redactor_format_h4'
                        }
                    }
                },
                bold:
                {
                    title: RLANG.bold,
                    exec: 'bold'
                },
                italic:
                {
                    title: RLANG.italic,
                    exec: 'italic'
                },
                deleted:
                {
                    title: RLANG.deleted,
                    exec: 'strikethrough'
                },
                underline:
                {
                    title: RLANG.underline,
                    exec: 'underline'
                },
                unorderedlist:
                {
                    title: '• ' + RLANG.unorderedlist,
                    exec: 'insertunorderedlist'
                },
                orderedlist:
                {
                    title: '1. ' + RLANG.orderedlist,
                    exec: 'insertorderedlist'
                },
                outdent:
                {
                    title: '< ' + RLANG.outdent,
                    exec: 'outdent'
                },
                indent:
                {
                    title: '> ' + RLANG.indent,
                    exec: 'indent'
                },
                image:
                {
                    title: RLANG.image,
                    func: 'showImage'
                },
                video:
                {
                    title: RLANG.video,
                    func: 'showVideo'
                },
                file:
                {
                    title: RLANG.file,
                    func: 'showFile'
                },
                table:
                {
                    title: RLANG.table,
                    func: 'show',
                    dropdown:
                    {
                        insert_table:
                        {
                            title: RLANG.insert_table,
                            func: 'showTable'
                        },
                        separator_drop1:
                        {
                            name: 'separator'
                        },
                        insert_row_above:
                        {
                            title: RLANG.insert_row_above,
                            func: 'insertRowAbove'
                        },
                        insert_row_below:
                        {
                            title: RLANG.insert_row_below,
                            func: 'insertRowBelow'
                        },
                        insert_column_left:
                        {
                            title: RLANG.insert_column_left,
                            func: 'insertColumnLeft'
                        },
                        insert_column_right:
                        {
                            title: RLANG.insert_column_right,
                            func: 'insertColumnRight'
                        },
                        separator_drop2:
                        {
                            name: 'separator'
                        },
                        add_head:
                        {
                            title: RLANG.add_head,
                            func: 'addHead'
                        },
                        delete_head:
                        {
                            title: RLANG.delete_head,
                            func: 'deleteHead'
                        },
                        separator_drop3:
                        {
                            name: 'separator'
                        },
                        delete_column:
                        {
                            title: RLANG.delete_column,
                            func: 'deleteColumn'
                        },
                        delete_row:
                        {
                            title: RLANG.delete_row,
                            func: 'deleteRow'
                        },
                        delete_table:
                        {
                            title: RLANG.delete_table,
                            func: 'deleteTable'
                        }
                    }
                },
                link:
                {
                    title: RLANG.link,
                    func: 'show',
                    dropdown:
                    {
                        link:
                        {
                            title: RLANG.link_insert,
                            func: 'showLink'
                        },
                        unlink:
                        {
                            title: RLANG.unlink,
                            exec: 'unlink'
                        }
                    }
                },
                fontcolor:
                {
                    title: RLANG.fontcolor,
                    func: 'show'
                },
                backcolor:
                {
                    title: RLANG.backcolor,
                    func: 'show'
                },
                alignment:
                {
                    title: RLANG.alignment,
                    func: 'show',
                    dropdown:
                    {
                        alignleft:
                        {
                            title: RLANG.align_left,
                            exec: 'JustifyLeft'
                        },
                        aligncenter:
                        {
                            title: RLANG.align_center,
                            exec: 'JustifyCenter'
                        },
                        alignright:
                        {
                            title: RLANG.align_right,
                            exec: 'JustifyRight'
                        },
                        justify:
                        {
                            title: RLANG.align_justify,
                            exec: 'JustifyFull'
                        }
                    }
                },
                alignleft:
                {
                    exec: 'JustifyLeft',
                    title: RLANG.align_left
                },
                aligncenter:
                {
                    exec: 'JustifyCenter',
                    title: RLANG.align_center
                },
                alignright:
                {
                    exec: 'JustifyRight',
                    title: RLANG.align_right
                },
                justify:
                {
                    exec: 'JustifyFull',
                    title: RLANG.align_justify
                },
                horizontalrule:
                {
                    exec: 'inserthorizontalrule',
                    title: RLANG.horizontalrule
                }
            }
        }, options, this.$el.data());
        this.dropdowns = [];
        this.deferredModal = {};
        this.undoStack = [];
        this.redoStack = [];
        // Init
        this.init();
    };
    // Functionality
    Redactor.prototype = {
        // Initialization
        init: function()
        {
            // get dimensions
            this.height = this.$el.css('height');
            this.width = this.$el.css('width');
            rdocument = this.document = document;
            rwindow = this.window = window;
            // mobile
            if (this.opts.mobile === false && this.isMobile())
            {
                this.build(true);
                return false;
            }
            // iframe
            if (this.opts.iframe)
            {
                this.opts.autoresize = false;
            }
            // extend buttons
            if (this.opts.air)
            {
                $.extend(this.opts.toolbar, this.opts.buttonsCustom);                            
                this.opts.buttons = this.opts.airButtons;
            }
            else if (this.opts.toolbar !== false)
            {
                if (this.opts.source === false)
                {
                    var index = $.inArray('html', this.opts.buttons);
                    if (index != -1)
                    {
                        var next = this.opts.buttons[index+1];
                        this.opts.buttons.splice(index, 1);
                        if (typeof next !== 'undefined' && next === '|')
                        {
                            this.opts.buttons.splice(index, 1);
                        }
                    }
                }
                $.extend(this.opts.toolbar, this.opts.buttonsCustom);
                $.each(this.opts.buttonsAdd, $.proxy(function(i,s)
                {
                    this.opts.buttons.push(s);
                }, this));
            }
            // formatting tags
            if (this.opts.toolbar !== false)
            {
                $.each(this.opts.toolbar.formatting.dropdown, $.proxy(function(i,s)
                {
                    if ($.inArray(i, this.opts.formattingTags) == '-1')
                    {
                        delete this.opts.toolbar.formatting.dropdown[i];
                    }
                }, this));
                if (!this.opts.allowJustify)
                {
                    delete this.opts.toolbar.alignment.dropdown.justify;
                }
            }
            function afterBuild()
            {
                  // air enable
                this.enableAir();
                // toolbar
                this.buildToolbar();
                this.pushUndoStack();
                // PLUGINS
                if (typeof this.opts.plugins === 'object')
                {
                    $.each(this.opts.plugins, $.proxy(function(i,s)
                    {
                        if (typeof RedactorPlugins[s] !== 'undefined')
                        {
                            $.extend(this, RedactorPlugins[s]);
                            if (typeof RedactorPlugins[s].init !== 'undefined')
                            {
                                this.init();
                            }
                        }
                    }, this));
                }
                // buttons response
                if (this.opts.activeButtons !== false && this.opts.toolbar !== false && !this.isMobile(true))
                {
                    var observeFormatting = $.proxy(function() { this.observeFormatting(); }, this);
                    this.$editor.click($.proxy(function() {
                        this.observeFormatting();
                    }, this)).keyup($.proxy(function(e) {
                        var k = e.keyCode || e.which;
                        switch (k)
                        {
                            case 17: // ctrl
                            case 91: // cmd/windows key
                            case 92: // windows key
                            case 93: // cmd/windows key
                            case 224: // cmd
                                return;
                        }
                        this.observeFormatting(k);
                    }, this));
                }
                // paste handling used to be disabled for mobiles, old safari, and opera but
                // this approach seems to work
                if (true)
                {
                    this.$editor.bind('paste', $.proxy(function(e)
                    {
                        this.pushUndoStack();
                        if (this.opts.cleanup === false)
                        {
                            return true;
                        }
                        if (this.opts.pastePreventCallback)
                        {
                            var customEvent = new $.Event();
                            this.opts.pastePreventCallback(customEvent, this, e);
                            if (customEvent.isDefaultPrevented())
                            {
                                return true;
                            }
                        }
                        this.pasteRunning = true;
                        this.setBuffer();
                        if (this.opts.autoresize === true)
                        {
                            this.saveScroll = this.document.body.scrollTop;
                        }
                        else
                        {
                            this.saveScroll = this.$editor.scrollTop();
                        }
                        var frag = null, $pasteNode;
                        if (this.browser('msie') || this.isMobile(true))
                        {
                            this.$editor.css('height', this.$editor.height() + 'px');
                            frag = this.extractContent();
                        }
                        else
                        {
                            var t = this.document.createTextNode('u200Bu200B'),
                                focus = this.getFocus()[0],
                                focusTop = focus
                                    ? (focus.nodeType == 3 ? $(focus).parent().offset().top : $(focus).offset().top)
                                    : 0;
                            this.$editor.find('.redactorPaste').removeClass('redactorPaste');
                            $pasteNode = $('<div />', this.document).append(t).css({
                                overflow: 'hidden',
                                width: '1px',
                                height: '1px',
                                position: 'absolute',
                                left: '-1000px',
                                top: focusTop + 'px'
                            }).addClass('redactorPaste');
                            this.$editor.append($pasteNode);
                            this.setSelection(t, 0, t, 2);
                        }
                        setTimeout($.proxy(function()
                        {
                            var pastedFrag;
                            if ($pasteNode)
                            {
                                // there are some situations where pastes end up spanning multiple nodes, fold them back
                                var $pastes = this.$editor.find('> .redactorPaste');
                                $pastes.each(function(k) {
                                    if (k > 0)
                                    {
                                        $pasteNode.append($(this).contents());
                                    }
                                });
                                pastedFrag = this.extractContent($pasteNode[0]);
                                $pastes.remove();
                            }
                            else
                            {
                                pastedFrag = this.extractContent();
                                this.$editor.css('height', '').append(frag);
                            }
                            this.restoreSelection();
                            if (this.opts.pasteManipulateCallback)
                            {
                                this.opts.pasteManipulateCallback(this, pastedFrag, e);
                            }
                            var html = this.getFragmentHtml(pastedFrag);
                            this.pasteCleanUp(html);
                            this.pasteRunning = false;
                        }, this), 1);
                    }, this));
                }
                else
                {
                    this.$editor.bind('paste', $.proxy(function(e)
                    {
                        this.pushUndoStack();
                    }, this));
                }
                // key handlers
                this.keyup();
                this.keydown();
                this.$editor.keypress(function(e)
                {
                    e.stopPropagation();
                });
                // autosave
                if (this.opts.autosave !== false)
                {
                    this.autoSave();
                }
                // observers
                setTimeout($.proxy(function()
                {
                    this.observeImages();
                    this.observeTables();
                }, this), 1);
                // FF fix
                if (this.browser('mozilla'))
                {
                    this.$editor.click($.proxy(function()
                    {
                        this.saveSelection();
                    }, this));
                    try
                    {
                        this.document.execCommand('enableObjectResizing', false, false);
                        this.document.execCommand('enableInlineTableEditing', false, false);
                    }
                    catch (e) {}
                }
                // focus
                if (this.opts.focus)
                {
                    setTimeout($.proxy(function(){
                        this.focus();
                    }, this), 1);
                }
                // fixed
                if (this.opts.fixed)
                {
                    this.observeScroll();
                    $(document).scroll($.proxy(this.observeScroll, this));
                }
                // callback
                if (typeof this.opts.callback === 'function')
                {
                    this.opts.callback(this);
                }
                if (this.opts.toolbar !== false)
                {
                    this.$toolbar.find('a').attr('tabindex', '-1');
                }
                if (this.browser('msie'))
                {
                    // in some situations, IE doesn't let the editor be focused
                    // which prevents you from editing.
                    this.$editor.one('click', $.proxy(function() {
                        this.focus();
                    }, this));
                }
            }
            // construct editor
            this.build(false, afterBuild);
        },
        shortcuts: function(e, cmd)
        {
            e.preventDefault();
            var toggleButton = false;
            $.each(this.opts.activeButtonStateMap, function(k, v) {
                if (v == cmd)
                {
                    toggleButton = k;
                    return false;
                }
            });
            if (toggleButton)
            {
                this.skipFormatObserveOnce = true;
                this.toggleBtnActive(toggleButton);
            }
            this.execCommand(cmd, false);
        },
        keyup: function()
        {
            this.$editor.keyup($.proxy(function(e)
            {
                var key = e.keyCode || e.which;
                if (this.browser('mozilla') && !this.pasteRunning)
                {
                    this.saveSelection();
                }
                // callback as you type
                if (typeof this.opts.keyupCallback === 'function')
                {
                    this.opts.keyupCallback(this, e);
                }
                // if empty
                if (key === 8 || key === 46)
                {
                    this.observeImages();
                    return this.formatEmpty(e);
                }
                // new line p
                if (key === 13 && !e.shiftKey && !e.ctrlKey && !e.metaKey)
                {
                    if (this.browser('mozilla'))
                    {
                        try
                        {
                            this.document.execCommand('unlink', false, null);
                        } catch (e) {}
                        // we can still be inside an anchor, which becomes our target when pasting.
                        // remove the link if it's empty
                        var sel = this.window.getSelection(),
                            anchor = sel.anchorNode;
                        if (sel.isCollapsed
                            && sel.anchorOffset == 0
                            && anchor
                            && anchor.tagName === 'A'
                            && anchor.innerHTML == '<br>')
                        {
                            var parent = anchor.parentNode;
                            sel.selectAllChildren(anchor.parentNode);
                            parent.innerHTML = '<br>';
                        }
                    }
                    if (this.browser('webkit'))
                    {
                        this.formatNewLine(e);
                    }
                    // convert links
                    if (this.opts.convertLinks)
                    {
                        this.$editor.linkify();
                    }
                }
                this.syncCode();
            }, this));
        },
        keydown: function()
        {
            this.$editor.keydown($.proxy(function(e)
            {
                var key = e.keyCode || e.which;
                if (!key)
                {
                    // no point doing anything if we haven't gotten a key
                    return;
                }
                var parent = this.getParentNode();
                var current = this.getCurrentNode();
                var pre = false;
                var ctrl = (e.ctrlKey || e.metaKey) && !e.altKey;
                var cmd = !e.ctrlKey && e.metaKey;
                if ((parent && $(parent).get(0).tagName === 'PRE') || (current && $(current).get(0).tagName === 'PRE'))
                {
                    pre = true;
                }
                // callback keydown
                if (typeof this.opts.keydownCallback === 'function')
                {
                    this.opts.keydownCallback(this, e);
                }
                if (key == 13)
                {
                    this.pushUndoStack();
                }
                if (cmd && this.opts.shortcuts)
                {
                    var sel;
                    if (this.window.getSelection && (sel = this.window.getSelection()) && sel.modify) {
                        var adjustmentType = e.shiftKey ? "extend" : "move";
                        switch (key) {
                            case 39: // right - act like "end" in windows
                                sel.modify(adjustmentType, "right", "lineboundary");
                                e.preventDefault();
                                break;
                            case 37: // left - act like "home" in windows
                                sel.modify(adjustmentType, "left", "lineboundary");
                                e.preventDefault();
                                break;
                        }
                    }
                }
                if (ctrl && this.opts.shortcuts)
                {
                    if (key === 90)
                    {
                        if (e.shiftKey)
                        {
                            this.shortcuts(e, 'redo');    // Ctrl + Shift + z
                        }
                        else
                        {
                            this.shortcuts(e, 'undo'); // Ctrl + z
                        }
                    }
                    else if (key == 89)
                    {
                        this.shortcuts(e, 'redo'); // Ctrl + y
                    }
                    else if (key === 77)
                    {
                        this.shortcuts(e, 'removeformat'); // Ctrl + m
                    }
                    else if (key === 66)
                    {
                        this.shortcuts(e, 'bold'); // Ctrl + b
                    }
                    else if (key === 73)
                    {
                        this.shortcuts(e, 'italic'); // Ctrl + i
                    }
                    else if (key === 85)
                    {
                        this.shortcuts(e, 'underline'); // Ctrl + u
                    }
                    else if (key === 74)
                    {
                        this.shortcuts(e, 'insertunorderedlist'); // Ctrl + j
                    }
                    else if (key === 75)
                    {
                        this.shortcuts(e, 'insertorderedlist'); // Ctrl + k
                    }
                    else if (key === 76)
                    {
                        this.shortcuts(e, 'superscript'); // Ctrl + l
                    }
                    else if (key === 72)
                    {
                        this.shortcuts(e, 'subscript'); // Ctrl + h
                    }
                }
                // clear undo buffer
                if (!ctrl && key !== 90)
                {
                    this.opts.buffer = false;
                }
                // enter
                if (pre === true && key === 13)
                {
                    e.preventDefault();
                    var html = $(current).parent().text();
                    this.insertNodeAtCaret(this.document.createTextNode('rn'));
                    if (html.search(/s$/) == -1)
                    {
                        this.insertNodeAtCaret(this.document.createTextNode('rn'));
                    }
                    this.syncCode();
                    return false;
                }
                // tab
                if (this.opts.shortcuts && !e.shiftKey && key === 9 && this.opts.insertTab)
                {
                    if (pre === false)
                    {
                        this.shortcuts(e, 'indent'); // Tab
                    }
                    else
                    {
                        e.preventDefault();
                        this.insertNodeAtCaret(this.document.createTextNode('t'));
                        this.syncCode();
                        return false;
                    }
                }
                else if (this.opts.shortcuts && e.shiftKey && key === 9 && this.opts.insertTab)
                {
                    this.shortcuts(e, 'outdent'); // Shift + tab
                }
                // safari shift key + enter
                if (this.browser('webkit') && navigator.userAgent.indexOf('Chrome') === -1)
                {
                    return this.safariShiftKeyEnter(e, key);
                }
            }, this));
        },
        build: function(mobile, whendone)
        {
            if (mobile !== true)
            {
                // container
                this.$box = $('<div class="redactor_box"></div>');
                // air box
                if (this.opts.air)
                {
                    this.air = $('<div class="redactor_air" style="display: none;"></div>');
                }
                this.$content = null;
                function initFrame()
                {
                    var $root = this.$content.contents(),
                        $head = $root.find('head');
                    this.$editor = $root.find("body").attr('contenteditable', true).attr('dir', this.opts.direction);
                    rdocument = this.document = this.$editor[0].ownerDocument;
                    rwindow = this.window = this.document.defaultView || window;
                    // iOS makes the editor untypeable if there is a touchstart event without this
                    $(rdocument).on('touchend', function(e) {
                        setTimeout(function() {
                            rwindow.focus();
                        }, 100);
                    });
                    if (this.opts.iframeBase !== false)
                    {
                        $head.append('<base href="' + this.opts.iframeBase + '" />');
                    }
                    if (this.opts.css !== false)
                    {
                        $head.append('<link rel="stylesheet" href="' + this.opts.css + '" />');
                    }
                    this.$editor.html(html);
                    if (whendone)
                    {
                        whendone.call(this);
                        whendone = null;
                    }
                }
                // editor
                this.textareamode = true;
                if (this.$el.get(0).tagName === 'TEXTAREA')
                {
                    if(this.opts.iframe)
                    {
                        var me = this;
                        this.$content = $('<iframe style="width: 100%;" frameborder="0"></iframe>').load(function()
                        {
                            initFrame.call(me);
                        });
                    }
                    else
                    {
                         this.$content = this.$editor = $('<div></div>');
                    }
                    var classlist = this.$el.get(0).className.split(/s+/);
                    $.each(classlist, $.proxy(function(i,s)
                    {
                        this.$content.addClass('redactor_' + s);
                    }, this));
                }
                else
                {
                    this.textareamode = false;
                    this.$content = this.$editor = this.$el;
                    this.$el = $('<textarea name="' + this.$editor.attr('id') + '"></textarea>').css('height', this.height);
                }
                if (this.$editor)
                {
                    this.$editor.addClass('redactor_editor').attr('contenteditable', true).attr('dir', this.opts.direction);
                }
                if (this.opts.tabindex !== false)
                {
                    this.$content.attr('tabindex', this.opts.tabindex);
                }
                if (this.opts.minHeight !== false)
                {
                    this.$content.css('min-height', this.opts.minHeight + 'px');
                }
                if (this.opts.wym === true)
                {
                    this.$content.addClass('redactor_editor_wym');
                }
                if (this.opts.autoresize === false)
                {
                    this.$content.css('height', this.height);
                }
                // hide textarea
                this.$el.hide();
                // append box and frame
                var html = '';
                if (this.textareamode)
                {
                    // get html
                    html = this.$el.val();
                    html = this.savePreCode(html);
                    this.$box.insertAfter(this.$el).append(this.$content).append(this.$el);
                }
                else
                {
                    // get html
                    html = this.$editor.html();
                    html = this.savePreCode(html);
                    this.$box.insertAfter(this.$content).append(this.$el).append(this.$editor);
                }
                // conver newlines to p
                html = this.paragraphy(html);
                // enable
                if (this.$editor)
                {
                    this.$editor.html(html);
                }
                if (this.textareamode === false)
                {
                    this.syncCode();
                }
            }
            else
            {
                if (this.$el.get(0).tagName !== 'TEXTAREA')
                {
                    var html = this.$el.val();
                    var textarea = $('<textarea name="' + this.$editor.attr('id') + '"></textarea>').css('height', this.height).val(html);
                    this.$el.hide();
                    this.$el.after(textarea);
                }
            }
            if (whendone && this.$editor)
            {
                whendone.call(this);
            }
        },
        enableAir: function()
        {
            if (this.opts.air === false)
            {
                return false;
            }
            this.air.hide();
            this.$editor.bind('textselect', $.proxy(function(e)
            {
                this.showAir(e);
            }, this));
            this.$editor.bind('textunselect', $.proxy(function()
            {
                this.air.hide();
            }, this));
        },
        showAir: function(e)
        {
            $('.redactor_air').hide();
            var width = this.air.innerWidth();
            var left = e.clientX;
            if ($(this.document).width() < (left + width))
            {
                left = left - width;
            }
            var top = e.clientY + $(document).scrollTop() + 14;
            if (this.opts.iframe === true)
            {
                top = top + this.$box.position().top;
                left = left + this.$box.position().left;
            }
            this.air.css({ left: left + 'px', top: top + 'px' }).show();
        },
        pushUndoStack: function()
        {
            this.undoStack.push(this.getState());
            this.redoStack = [];
        },
        popUndoStack: function()
        {
            var undo = this.undoStack.pop();
            if (!undo)
            {
                return;
            }
            this.redoStack.push(this.getState());
            this.restoreState(undo);
        },
        popRedoStack: function()
        {
            var redo = this.redoStack.pop();
            if (!redo)
            {
                return;
            }
            this.undoStack.push(this.getState());
            this.restoreState(redo);
        },
        restoreState: function(state)
        {
            this.$editor.html(state.html);
            this.focus();
            if (this.oldIE())
            {
                return;
            }
            if (state.origin)
            {
                var self = this;
                function followSelPath(sel)
                {
                    if (!sel)
                    {
                        return [null, null];
                    }
                    var el = self.$editor.get(0), offset = 0, children;
                    for (var i = 0; i < sel.length; i++)
                    {
                        switch(sel[i][0])
                        {
                            case 'node':
                                el = el.childNodes[sel[i][1]];
                                break;
                            case 'text':
                                offset = sel[i][1];
                                break;
                        }
                    }
                    return [el, offset];
                }
                var origin = followSelPath(state.origin),
                    focus = followSelPath(state.focus);
                this.setSelection(origin[0], origin[1], focus[0], focus[1]);
                this.focus();
            }
            else
            {
                this.selectLast();
            }
        },
        getState: function()
        {
            var o = this.getOrigin(),
                f = this.getFocus(),
                self = this;
            function getSelPath(sel)
            {
                var path = [], root = self.$editor.get(0);
                if (sel[0].nodeType == 3)
                {
                    // text node
                    path.unshift(['text', sel[1]]);
                }
                var i, node = sel[0], prev;
                while (node && node != root)
                {
                    i = 0;
                    prev = node;
                    while (prev = prev.previousSibling)
                    {
                        i++;
                    }
                    path.unshift(['node', i]);
                    node = node.parentNode;
                }
                return path;
            }
            return {
                html: this.$editor.html(),
                origin: o ? getSelPath(o) : null,
                focus: f ? getSelPath(f) : null
            };
        },
        syncCode: function()
        {
            this.$el.val(this.$editor.html());
        },
        // API functions
        focus: function(selectLast)
        {
            var f = this.getFocus(),
                o = this.getOrigin();
            if (selectLast)
            {
                if (f)
                {
                    if (f[0] == o[0] && f[1] == o[1] && $(f[0]).is('body, .redactor_editor'))
                    {
                        // focused on the root, this is how FF usually focuses the start
                        f = null;
                    }
                }
                if (!f)
                {
                    this.selectLast();
                }
            }
            else
            {
                if (!f || !o || (f[0] == o[0] && f[1] == 0 && o[1] == 0 && $(f[0]).is('body, .redactor_editor')))
                {
                    var fc = this.$editor[0].firstChild;
                    if (fc && fc.tagName !== 'BR' && fc.tagName !== 'IMG')
                    {
                        this.setSelection(fc, 0, fc, 0);
                    }
                }
            }
            if (this.opts.iframe && this.$editor[0])
            {
                var doc = this.$editor[0].ownerDocument;
                if (doc)
                {
                    (doc.defaultView || doc.parentWindow).focus();
                }
            }
            this.$editor.focus();
        },
        setCode: function(html, focus)
        {
            focus = (typeof focus == 'undefined' ? true : focus);
            html = this.stripTags(html);
            this.$editor.html(html);
            if (focus)
            {
                this.focus();
            }
            this.syncCode();
        },
        getCode: function()
        {
            var html = '';
            if (this.opts.visual)
            {
                html = this.$editor.html()
            }
            else
            {
                html = this.$el.val();
            }
            return this.stripTags(html);
        },
        insertHtml: function(html, skipUndoLevel)
        {
            this.focus();
            this.pasteHtmlAtCaret(html, skipUndoLevel);
            this.observeImages();
            this.syncCode();
        },
        pasteHtmlAtCaret: function (html, skipUndoLevel)
        {
            if (!skipUndoLevel)
            {
                this.pushUndoStack();
            }
            var nodes = false;
            var sel, range;
            if (this.document.getSelection)
            {
                sel = this.window.getSelection();
                if (sel.getRangeAt && sel.rangeCount)
                {
                    // remove as many fully selected elements as we can
                    var selInfo = this.analyzeSelection();
                    if (!$(selInfo.selectedEls).filter('body').length)
                    {
                        selInfo.selectPartials();
                        var bookmark = selInfo.bookmarkSelection();
                        $(selInfo.selectedEls).remove();
                        bookmark[0].after('u200Bu200B');
                        selInfo.restoreBookmark();
                    }
                    nodes = [];
                    range = sel.getRangeAt(0);
                    range.deleteContents();
                    if (range.startContainer.tagName == 'BODY')
                    {
                        // pasting at the root, so we need to make sure we have a block to wrap
                        if (!html.match(/<(p|div|hd|ul|ol|blockquote|pre)(s|/|>)/i))
                        {
                            html = '<p>' + html + '</p>';
                        }
                    }
                    if (html.match(/<(p|div|hd|ul|ol|blockquote|pre)(s|/|>)/i))
                    {
                        // range contains block - let's move outside of our current one if we can
                        var $start = $(range.startContainer).closest('p, div, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, pre');
                        if ($start.length)
                        {
                            var testRange = range.cloneRange();
                            testRange.setEnd($start[0], $start[0].childNodes.length);
                            var contentsHolder = this.document.createElement('div');
                            contentsHolder.appendChild(testRange.cloneContents());
                            // is there anything after the selection in this block?
                            // if not, we can move after - otherwise, we'd need to split
                            // and do lots of other manipulation
                            if ($.trim(contentsHolder.innerHTML) === '' || contentsHolder.innerHTML.match(/^<brs*/?>$/i))
                            {
                                range.setStartAfter($start[0]);
                                range.setEndAfter($start[0]);
                                var startHtml = $.trim($start.html());
                                if (startHtml === '' || startHtml.match(/^<brs*/?>$/i))
                                {
                                    $start.remove();
                                }
                            }
                        }
                    }
                    var el = this.document.createElement("div");
                    el.innerHTML = html;
                    var frag = this.document.createDocumentFragment(), node, lastNode;
                    while (node = el.firstChild)
                    {
                        lastNode = frag.appendChild(node);
                        nodes.push(lastNode);
                    }
                    range.insertNode(frag);
                    if (lastNode)
                    {
                        range = range.cloneRange();
                        if (lastNode.nodeType == 1 && lastNode.childNodes.length)
                        {
                            var lastChild = lastNode.childNodes[lastNode.childNodes.length - 1];
                            if (lastChild.tagName == 'BR')
                            {
                                if (lastChild.previousSibling)
                                {
                                    range.setStartAfter(lastChild.previousSibling);
                                }
                                else
                                {
                                    range.setStartBefore(lastChild);
                                }
                            }
                            else
                            {
                                range.setStartAfter(lastChild);
                            }
                        }
                        else
                        {
                            range.setStartAfter(lastNode);
                        }
                        range.collapse(true);
                        sel.removeAllRanges();
                        sel.addRange(range);
                    }
                }
            }
            else if (this.document.selection && this.document.selection.type != "Control")
            {
                this.document.selection.createRange().pasteHTML(html);
            }
            if (this.opts.insertHtmlCallback)
            {
                this.opts.insertHtmlCallback(nodes, this);
            }
        },
        destroy: function()
        {
            var html = this.getCode();
            if (this.textareamode)
            {
                this.$box.after(this.$el);
                this.$box.remove();
                this.$el.height(this.height).val(html).show();
            }
            else
            {
                this.$box.after(this.$editor);
                this.$box.remove();
                this.$editor.removeClass('redactor_editor').removeClass('redactor_editor_wym').attr('contenteditable', false).html(html).show();
            }
            if (this.opts.toolbarExternal)
            {
                $(this.opts.toolbarExternal).empty();
            }
            $('.redactor_air').remove();
            for (var i = 0; i < this.dropdowns.length; i++)
            {
                this.dropdowns[i].remove();
                delete(this.dropdowns[i]);
            }
            this.undoStack = [];
            this.redoStack = [];
            if (this.opts.autosave !== false)
            {
                clearInterval(this.autosaveInterval);
            }
        },
        // end API functions
        // OBSERVERS
        observeFormatting: function(key)
        {
            if (this.skipFormatObserveOnce)
            {
                this.skipFormatObserveOnce = false;
                return;
            }
            var parent = this.getCurrentNode(),
                $parent = $(parent),
                editorContext = this.$editor.get(0);
            this.inactiveAllButtons();
            $.each(this.opts.activeButtonsStates, $.proxy(function(i,s)
            {
                if ($parent.closest(i, editorContext).length != 0)
                {
                    this.setBtnActive(s);
                }
            }, this));
            if (key && key == 13)
            {
                // just pressed return, need to check states from the browser
                var self = this;
                $.each(this.opts.activeButtonStateMap, function(b, cmd) {
                    try
                    {
                        if (self.document.queryCommandState(cmd))
                        {
                            self.setBtnActive(b);
                        }
                        else
                        {
                            self.setBtnInactive(b);
                        }
                    } catch(e) {}
                });
            }
            var tag = $parent.closest(['p', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'td']);
            if (typeof tag[0] !== 'undefined' && typeof tag[0].elem !== 'undefined' && $(tag[0].elem).size() != 0)
            {
                var align = $(tag[0].elem).css('text-align');
                switch (align)
                {
                    case 'right':
                        this.setBtnActive('alignright');
                    break;
                    case 'center':
                        this.setBtnActive('aligncenter');
                    break;
                    case 'justify':
                        this.setBtnActive('justify');
                    break;
                    default:
                        this.setBtnActive('alignleft');
                    break;
                }
            }
        },
        observeImages: function()
        {
            if (this.opts.observeImages === false)
            {
                return false;
            }
            this.$editor.find('img').each($.proxy(function(i,s)
            {
                if (this.browser('msie'))
                {
                    $(s).attr('unselectable', 'on');
                }
                this.resizeImage(s);
            }, this));
        },
        observeTables: function()
        {
            this.$editor.find('table').click($.proxy(this.tableObserver, this));
        },
        observeScroll: function()
        {
            var scrolltop = $(this.document).scrollTop();
            var boxtop = this.$box.offset().top;
            var left = 0;
            if (scrolltop > boxtop)
            {
                var width = '100%';
                if (this.opts.fixedBox)
                {
                    left = this.$box.offset().left;
                    width = this.$box.innerWidth();
                }
                this.fixed = true;
                this.$toolbar.css({ position: 'fixed', width: width, zIndex: 1005, top: this.opts.fixedTop + 'px', left: left });
            }
            else
            {
                this.fixed = false;
                this.$toolbar.css({ position: 'relative', width: 'auto', zIndex: 1, top: 0, left: left });
            }
        },
        // BUFFER
        setBuffer: function()
        {
            this.saveSelection();
            this.opts.buffer = this.$editor.html();
        },
        getBuffer: function()
        {
            if (this.opts.buffer === false)
            {
                return false;
            }
            this.$editor.html(this.opts.buffer);
            if (!this.browser('msie'))
            {
                this.restoreSelection();
            }
            this.opts.buffer = false;
        },
        // EXECCOMMAND
        execCommand: function(cmd, param, pushUndoStack)
        {
            if (this.opts.visual == false)
            {
                this.$el.focus();
                return false;
            }
            if (typeof pushUndoStack == 'undefined')
            {
                pushUndoStack = true;
            }
            if (pushUndoStack && cmd != 'undo' && cmd != 'redo')
            {
                this.pushUndoStack();
            }
            try
            {
                var parent;
                if (cmd === 'inserthtml')
                {
                    this.focus();
                    this.pasteHtmlAtCaret(param, true);
                    this.observeImages();
                }
                else if (cmd === 'removeformat')
                {
                    this.removeSelectedFormatting('b, strong, i, em, u, s, span, strike, font', true);
                }
                else if (cmd === 'unlink')
                {
                    this.removeSelectedFormatting('a', false);
                }
                else if (cmd === 'JustifyLeft' || cmd === 'JustifyCenter' || cmd === 'JustifyRight' || cmd === 'JustifyFull')
                {
                    var origin = this.getOrigin(),
                        focus = this.getFocus();
                    if (!focus)
                    {
                        return false;
                    }
                    if (this.opts.iframe === false && $(focus[0]).closest('.redactor_editor').size() == 0)
                    {
                        return false;
                    }
                    var $alignEl;
                    if (focus[0] == origin[0])
                    {
                        $alignEl = $(focus[0]).closest('p, div, h1, h2, h3, h4, h5, h6, blockquote, td, li', this.$editor.get(0))
                    }
                    if ($alignEl && $alignEl.length)
                    {
                        var align = false;
                        if (cmd === 'JustifyCenter')
                        {
                            align = 'center';
                        }
                        else if (cmd === 'JustifyLeft')
                        {
                            align = 'left';
                        }
                        else if (cmd === 'JustifyRight')
                        {
                            align = 'right';
                        }
                        else if (cmd === 'JustifyFull')
                        {
                            align = 'justify';
                        }
                        if (align && align == ((this.opts.direction.toLowerCase() == 'rtl') ? 'right' : 'left'))
                        {
                            align = false;
                        }
                        if (align === false)
                        {
                            $alignEl.css('text-align', '').removeAttr('align');
                        }
                        else
                        {
                            $alignEl.css('text-align', align).removeAttr('align');
                        }
                        this.focus();
                    }
                    else
                    {
                        this.execRun(cmd, param);
                    }
                }
                else if (cmd === 'formatblock' && param === 'blockquote')
                {
                    parent = this.getCurrentNode();
                    if ($(parent).get(0).tagName === 'BLOCKQUOTE')
                    {
                        if (this.browser('msie'))
                        {
                            var node = $('<p>' + $(parent).html() + '</p>');
                            $(parent).replaceWith(node);
                        }
                        else
                        {
                            this.execRun(cmd, 'p');
                        }
                    }
                    else if ($(parent).get(0).tagName === 'P')
                    {
                        var parent2 = $(parent).parent();
                        if ($(parent2).get(0).tagName === 'BLOCKQUOTE')
                        {
                            var node = $('<p>' + $(parent).html() + '</p>');
                            $(parent2).replaceWith(node);
                            this.setSelection(node[0], 0, node[0], 0);
                        }
                        else
                        {
                            if (this.browser('msie'))
                            {
                                var node = $('<blockquote>' + $(parent).html() + '</blockquote>');
                                $(parent).replaceWith(node);
                            }
                            else
                            {
                                this.execRun(cmd, param);
                            }
                        }
                    }
                    else
                    {
                        this.execRun(cmd, param);
                    }
                }
                else if (cmd === 'formatblock' && (param === 'pre' || param === 'p'))
                {
                    parent = this.getParentNode();
                    if ($(parent).get(0).tagName === 'PRE')
                    {
                        $(parent).replaceWith('<p>' +  this.encodeEntities($(parent).text()) + '</p>');
                    }
                    else
                    {
                        this.execRun(cmd, param);
                    }
                }
                else if (cmd == 'undo')
                {
                    this.popUndoStack();
                }
                else if (cmd == 'redo')
                {
                    this.popRedoStack();
                }
                else if (this.opts.execCommandHandler[cmd])
                {
                    this.opts.execCommandHandler[cmd].call(this, cmd, param, this);
                }
                else
                {
                    if (cmd === 'inserthorizontalrule' && this.browser('msie'))
                    {
                        this.focus();
                    }
                    if (cmd === 'formatblock' && this.browser('mozilla'))
                    {
                        this.focus();
                    }
                    this.execRun(cmd, param);
                }
                if (cmd === 'inserthorizontalrule')
                {
                    this.$editor.find('hr').removeAttr('id');
                }
                this.syncCode();
                if (this.oldIE())
                {
                    this.focus();
                }
                if (typeof this.opts.execCommandCallback === 'function')
                {
                    this.opts.execCommandCallback(this, cmd);
                }
                if (this.opts.air)
                {
                    this.air.hide();
                }
            }
            catch (e) { }
        },
        execRun: function(cmd, param)
        {
            if (cmd === 'formatblock' && this.browser('msie'))
            {
                param = '<' + param + '>';
            }
            this.document.execCommand(cmd, false, param);
        },
        // FORMAT NEW LINE
        formatNewLine: function(e)
        {
            var parent = this.getParentNode();
            var isParentRoot = (parent.nodeName === 'DIV' && (
                (this.opts.iframe == false && parent.className.match(/(s|^)redactor_editor(s|$)/))
                || (this.opts.iframe == true && parent.tagName == 'BODY')
                ));
            var isParentP = (parent.nodeName === 'P');
            if (isParentRoot || isParentP)
            {
                var element = this.getCurrentNode();
                var html = element.innerHTML || '';
                var isEmpty = (html === '' || html == '<br>');
                if (element.tagName === 'DIV')
                {
                    if (element.parentNode.tagName === 'P')
                    {
                        var attachParent = element.parentNode;
                        while (attachParent.parentNode && attachParent.parentNode.tagName === 'P')
                        {
                            attachParent = attachParent.parentNode;
                        }
                        attachParent.parentNode.insertBefore(element, attachParent.nextSibling)
                        this.setSelection(element, 0, element, 0);
                    }
                    if (isEmpty)
                    {
                        var $element = $(element);
                        var newElement = $('<p>').append($element.clone().get(0).childNodes);
                        $element.replaceWith(newElement);
                        newElement.html('<br />');
                        this.setSelection(newElement[0], 0, newElement[0], 0);
                    } 
                }
                else if (element.tagName === 'P' && !isEmpty)
                {
                    // pressing enter at beginning of a line
                    element.parentNode.insertBefore(this.document.createElement('p'), element);
                    this.setSelection(element, 0, element, 0);
                }
            }
        },
        // SAFARI SHIFT KEY + ENTER
        safariShiftKeyEnter: function(e, key)
        {
            if (e.shiftKey && key === 13)
            {
                e.preventDefault();
                this.insertNodeAtCaret($('<span><br /></span>').get(0));
                this.syncCode();
                return false;
            }
            else
            {
                return true;
            }
        },
        // FORMAT EMPTY
        formatEmpty: function(e)
        {
            var html = $.trim(this.$editor.html());
            html = html.replace(/<brs?/?>/i, '');
            var thtml = html.replace(/<p>s?</p>/gi, '');
            if (html === '' || thtml === '')
            {
                e && e.preventDefault();
                var node = $(this.opts.emptyHtml).get(0);
                this.$editor.html(node);
                this.setSelection(node, 0, node, 0);
                this.syncCode();
                return false;
            }
            else
            {
                this.syncCode();
            }
        },
        // PARAGRAPHY
        paragraphy: function (str)
        {
            str = $.trim(str);
            if (str === '' || str === '<p></p>')
            {
                return this.opts.emptyHtml;
            }
            // convert div to p
            if (this.opts.convertDivs)
            {
                str = str.replace(/<div(.*?)>([wW]*?)</div>/gi, '<p>$2</p>');
            }
            // inner functions
            var X = function(x, a, b) { return x.replace(new RegExp(a, 'g'), b); };
            var R = function(a, b) { return X(str, a, b); };
            // block elements
            var blocks = '(table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|address|math|style|script|object|input|param|p|h[1-6])';
            //str = '<p>' + str;
            str += 'n';
            R('<br />\s*<br />', 'nn');
            R('(<' + blocks + '[^>]*>)', 'n$1');
            R('(</' + blocks + '>)', '$1nn');
            R('rn|r', 'n'); // newlines
            R('nn+', 'nn'); // remove duplicates
            R('n?((.|n)+?)$', '<p>$1</p>n'); // including one at the end
            R('<p>\s*?</p>', ''); // remove empty p
            R('<p>(<div[^>]*>\s*)', '$1<p>');
            R('<p>([^<]+)\s*?(</(div|address|form)[^>]*>)', '<p>$1</p>$2');
            R('<p>\s*(</?' + blocks + '[^>]*>)\s*</p>', '$1');
            R('<p>(<li.+?)</p>', '$1');
            R('<p>\s*(</?' + blocks + '[^>]*>)', '$1');
            R('(</?' + blocks + '[^>]*>)\s*</p>', '$1');
            R('(</?' + blocks + '[^>]*>)\s*<br />', '$1');
            R('<br />(\s*</?(p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)', '$1');
            // pre
            if (str.indexOf('<pre') != -1)
            {
                R('(<pre(.|n)*?>)((.|n)*?)</pre>', function(m0, m1, m2, m3)
                {
                    return X(m1, '\\(['"\\])', '$1') + X(X(X(m3, '<p>', 'n'), '</p>|<br />', ''), '\\(['"\\])', '$1') + '</pre>';
                });
            }
            return R('n</p>$', '</p>');
        },
        // REMOVE TAGS
        stripTags: function(html)
        {
            var allowed = this.opts.allowedTags;
            var tags = /</?([a-z][a-z0-9]*)b[^>]*>/gi;
            return html.replace(tags, function ($0, $1)
            {
                return $.inArray($1.toLowerCase(), allowed) > '-1' ? $0 : '';
            });
        },
        removeSelectedFormatting: function(removeTagSelector, splitPartials)
        {
            var sel = this.analyzeSelection(),
                applyTo;
            if (splitPartials)
            {
                if (sel.isCollapsed)
                {
                    return;
                }
                sel.selectPartials();
                applyTo = sel.selectedEls;
            }
            else
            {
                applyTo = sel.selectedEls;
                applyTo.push(sel.origin[0]);
                if (sel.focus[0] != sel.origin[0])
                {
                    applyTo.push(sel.focus[0]);
                }
            }
            sel.bookmarkSelection();
            var removeCallback = function() {
                    $(this).after(this.childNodes);
                    $(this).remove();
                },
                $ed = this.$editor;
            $(applyTo).each(function() {
                var el = this,
                    $el = $(el),
                    $closest = $el.parent().closest(removeTagSelector, $ed);
                var infiniteCheck = 0;
                while ($closest.length)
                {
                    infiniteCheck++;
                    if (infiniteCheck > 1000)
                    {
                        console.error('infinite loop when removing formatting');
                        break;
                    }
                    var closest = $closest[0];
                    if (closest.childNodes.length == 1 || !splitPartials)
                    {
                        // special case: only child so we can just move it up
                        // or we're applying this to the whole thing
                        removeCallback.call(closest);
                    }
                    else
                    {
                        var $until = $el.parentsUntil($closest);
                        if ($until.length)
                        {
                            var $stack = $(el),
                                $after,
                                $placeholder = $('<span class="__bogus" />');
                            while (el.nextSibling)
                            {
                                if (!$after)
                                {
                                    $after = $placeholder;
                                }
                                $after.append(el.nextSibling);
                            }
                            $until.each(function() {
                                if ($after)
                                {
                                    $after = $(this.cloneNode(false)).append($after);
                                }
                                while (this.nextSibling)
                                {
                                    if (!$after)
                                    {
                                        $after = $placeholder;
                                    }
                                    $after.append(this.nextSibling);
                                }
                                $stack = $(this.cloneNode(false)).append($stack);
                            });
                            if ($after)
                            {
                                if ($after.is($placeholder))
                                {
                                    $closest.after($(closest.cloneNode(false)).append($after[0].childNodes));
                                }
                                else
                                {
                                    removeCallback.call($placeholder[0]);
                                    $closest.after($(closest.cloneNode(false)).append($after));
                                }
                            }
                            $closest.after($stack);
                        }
                        else
                        {
                            if (!el.previousSibling)
                            {
                                // can simply move before
                                $(closest).before(el);
                            }
                            else if (!el.nextSibling)
                            {
                                // can simply move after
                                $(closest).after(el);
                            }
                            else
                            {
                                var $clone = $(closest.cloneNode(false));
                                while (el.nextSibling)
                                {
                                    $clone.append(el.nextSibling);
                                }
                                $(closest).after($clone).after(el);
                            }
                        }
                    }
                    $closest = $el.parent().closest(removeTagSelector, $ed);
                }
                $el.find(removeTagSelector).each(removeCallback);
                if ($el.is(removeTagSelector))
                {
                    removeCallback.call(this);
                }
            });
            sel.restoreBookmark();
            this.observeFormatting();
        },
        savePreCode: function(html)
        {
            var pre = html.match(/<pre(.*?)>([wW]*?)</pre>/gi);
            if (pre !== null)
            {
                $.each(pre, $.proxy(function(i,s)
                {
                    var arr = s.match(/<pre(.*?)>([wW]*?)</pre>/i);
                    arr[2] = this.encodeEntities(arr[2]);
                    html = html.replace(s, '<pre' + arr[1] + '>' + arr[2] + '</pre>');
                }, this));
            }
            return html;
        },
        encodeEntities: function(str)
        {
            str = String(str).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
            return String(str).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
        },
        cleanupPre: function(s)
        {
            s = s.replace(/<br>/gi, 'n');
            s = s.replace(/</p>/gi, 'n');
            s = s.replace(/</div>/gi, 'n');
            var tmp = this.document.createElement("div");
            tmp.innerHTML = s;
            return tmp.textContent||tmp.innerText;
        },
        // PASTE CLEANUP
        pasteCleanUp: function(html)
        {
            var parent = this.getParentNode();
            // clean up pre
            if ($(parent).get(0) && $(parent).get(0).tagName === 'PRE')
            {
                html = this.cleanupPre(html);
                this.pasteCleanUpInsert(html);
                return true;
            }
            var e = new $.Event();
            if (this.opts.pasteCleanUpCallback)
            {
                html = this.opts.pasteCleanUpCallback(e, this, html);
            }
            if (e.isDefaultPrevented())
            {
                this.pasteCleanUpInsert(html);
                return;
            }
            // remove comments and php tags
            html = html.replace(/<!--[sS]*?-->|<?(?:php)?[sS]*??>/gi, '');
            // remove nbsp
            html = html.replace(/( ){2,}/gi, ' ');
            // remove google docs marker
            html = html.replace(/<bsid="internal-source-marker(.*?)">([wW]*?)</b>/gi, "$2");
            // strip tags
            html = this.stripTags(html);
            // prevert
            html = html.replace(/[/g, '[');
            html = html.replace(/]/g, ']');
            html = html.replace(/<td></td>/gi, '[td]');
            html = html.replace(/<td> </td>/gi, '[td]');
            html = html.replace(/<td><br></td>/gi, '[td]');
            html = html.replace(/<a(.*?)href="(.*?)"(.*?)>([wW]*?)</a>/gi, '[a href="$2"]$4[/a]');
            html = html.replace(/<iframe(.*?)>([wW]*?)</iframe>/gi, '[iframe$1]$2[/iframe]');
            html = html.replace(/<video(.*?)>([wW]*?)</video>/gi, '[video$1]$2[/video]');
            html = html.replace(/<audio(.*?)>([wW]*?)</audio>/gi, '[audio$1]$2[/audio]');
            html = html.replace(/<embed(.*?)>([wW]*?)</embed>/gi, '[embed$1]$2[/embed]');
            html = html.replace(/<object(.*?)>([wW]*?)</object>/gi, '[object$1]$2[/object]');
            html = html.replace(/<param(.*?)>/gi, '[param$1]');
            html = html.replace(/<img(.*?)style="(.*?)"(.*?)>/gi, '[img$1$3]');
            // remove attributes
            html = html.replace(/<(w+)([wW]*?)>/gi, '<$1>');
            // remove empty
            html = html.replace(/<[^/>][^>]*>(s*|t*|n*| |<br>)</[^>]+>/gi, '');
            html = html.replace(/<[^/>][^>]*>(s*|t*|n*| |<br>)</[^>]+>/gi, '');
            // revert
            html = html.replace(/[td]/gi, '<td> </td>');
            html = html.replace(/[a href="(.*?)"]([wW]*?)[/a]/gi, '<a href="$1">$2</a>');
            html = html.replace(/[iframe(.*?)]([wW]*?)[/iframe]/gi, '<iframe$1>$2</iframe>');
            html = html.replace(/[video(.*?)]([wW]*?)[/video]/gi, '<video$1>$2</video>');
            html = html.replace(/[audio(.*?)]([wW]*?)[/audio]/gi, '<audio$1>$2</audio>');
            html = html.replace(/[embed(.*?)]([wW]*?)[/embed]/gi, '<embed$1>$2</embed>');
            html = html.replace(/[object(.*?)]([wW]*?)[/object]/gi, '<object$1>$2</object>');
            html = html.replace(/[param(.*?)]/gi, '<param$1>');
            html = html.replace(/[img(.*?)]/gi, '<img$1>');
            html = html.replace(/[paste:([a-zA-Z0-9]+)(.*?)]([wW]*?)[/paste:1]/gi, '<$1$2>$3</$1>');
            html = html.replace(/[/g, '[');
            html = html.replace(/]/g, ']');
            // convert div to p
            if (this.opts.convertDivs)
            {
                html = html.replace(/<div(.*?)>([wW]*?)</div>/gi, '<p>$2</p>');
            }
            // remove span
            html = html.replace(/<span>([wW]*?)</span>/gi, '$1');
            html = html.replace(/n{3,}/gi, 'n');
            // remove dirty p
            html = html.replace(/<p><p>/gi, '<p>');
            html = html.replace(/</p></p>/gi, '</p>');
            // FF fix
            if (this.browser('mozilla'))
            {
                html = html.replace(/<br>$/gi, '');
            }
            this.pasteCleanUpInsert(html);
        },
        pasteCleanUpInsert: function(html)
        {
            this.execCommand('inserthtml', html);
            if (this.opts.autoresize === true)
            {
                $(this.document.body).scrollTop(this.saveScroll);
            }
            else
            {
                this.$editor.scrollTop(this.saveScroll);
            }
        },
        // TEXTAREA CODE FORMATTING
        formattingRemove: function(html)
        {
            // save pre
            var prebuffer = [];
            var pre = html.match(/<pre(.*?)>([wW]*?)</pre>/gi);
            if (pre !== null)
            {
                $.each(pre, function(i,s)
                {
                    html = html.replace(s, 'prebuffer_' + i);
                    prebuffer.push(s);
                });
            }
            html = html.replace(/s{2,}/g, ' ');
            html = html.replace(/n/g, ' ');
            html = html.replace(/[t]*/g, '');
            html = html.replace(/ns*n/g, "n");
            html = html.replace(/^[sn]*/g, '');
            html = html.replace(/[sn]*$/g, '');
            html = html.replace(/>s+</g, '><');
            if (prebuffer)
            {
                $.each(prebuffer, function(i,s)
                {
                    html = html.replace('prebuffer_' + i, s);
                });
                prebuffer = [];
            }
            return html;
        },
        formattingIndenting: function(html)
        {
            html = html.replace(/<li/g, "t<li");
            html = html.replace(/<tr/g, "t<tr");
            html = html.replace(/<td/g, "tt<td");
            html = html.replace(/</tr>/g, "t</tr>");
            return html;
        },
        formattingEmptyTags: function(html)
        {
            var etags = ["<pre></pre>","<blockquote>\s*</blockquote>","<em>\s*</em>","<ul></ul>","<ol></ol>","<li></li>","<table></table>","<tr></tr>","<span>\s*<span>", "<span> <span>", "<b>\s*</b>", "<b> </b>"];
            if (this.browser('msie')) {
                etags.push("<p>\s*</p>");
                etags.push("<p> </p>");
                etags.push("<p>​</p>");
                etags.push("<div>\s*</div>");
            }
            for (var i = 0; i < etags.length; ++i)
            {
                var bbb = etags[i];
                html = html.replace(new RegExp(bbb,'gi'), "");
            }
            return html;
        },
        formattingAddBefore: function(html)
        {
            var lb = 'rn';
            var btags = ["<p", "<form","</ul>", '</ol>', "<fieldset","<legend","<object","<embed","<select","<option","<input","<textarea","<pre","<blockquote","<ul","<ol","<li","<dl","<dt","<dd","<table", "<thead","<tbody","<caption","</caption>","<th","<tr","<td","<figure"];
            for (var i = 0; i < btags.length; ++i)
            {
                var eee = btags[i];
                html = html.replace(new RegExp(eee,'gi'),lb+eee);
            }
            return html;
        },
        formattingAddAfter: function(html)
        {
            var lb = 'rn';
            var atags = ['</p>', '</div>', '</h1>', '</h2>', '</h3>', '</h4>', '</h5>', '</h6>', '<br>', '<br />', '</dl>', '</dt>', '</dd>', '</form>', '</blockquote>', '</pre>', '</legend>', '</fieldset>', '</object>', '</embed>', '</textarea>', '</select>', '</option>', '</table>', '</thead>', '</tbody>', '</tr>', '</td>', '</th>', '</figure>'];
            for (var i = 0; i < atags.length; ++i)
            {
                var aaa = atags[i];
                html = html.replace(new RegExp(aaa,'gi'),aaa+lb);
            }
            return html;
        },
        formatting: function(html)
        {
            html = this.formattingRemove(html);
            // empty tags
            html = this.formattingEmptyTags(html);
            // add formatting before
            html = this.formattingAddBefore(html);
            // add formatting after
            html = this.formattingAddAfter(html);
            // indenting
            html = this.formattingIndenting(html);
            return html;
        },
        // TOGGLE
        toggle: function()
        {
            var html;
            if (this.opts.visual)
            {
                var height = this.$editor.innerHeight();
                this.$editor.hide();
                this.$content.hide();
                html = this.$editor.html();
                //html = $.trim(this.formatting(html));
                this.$el.height(height).val(html).show().focus();
                this.setBtnActive('html');
                this.opts.visual = false;
            }
            else
            {
                this.$el.hide();
                var html = this.$el.val();
                //html = this.savePreCode(html);
                // clean up
                //html = this.stripTags(html);
                // set code
                this.$editor.html(html).show();
                this.$content.show();
                if (this.$editor.html() === '')
                {
                    this.setCode(this.opts.emptyHtml, false);
                }
                this.focus();
                this.setBtnInactive('html');
                this.opts.visual = true;
                this.observeImages();
                this.observeTables();
            }
        },
        // AUTOSAVE
        autoSave: function()
        {
            this.autosaveInterval = setInterval($.proxy(function()
            {
                $.ajax({
                    url: this.opts.autosave,
                    type: 'post',
                    data: this.$el.attr('name') + '=' + escape(encodeURIComponent(this.getCode())),
                    success: $.proxy(function(data)
                    {
                        // callback
                        if (typeof this.opts.autosaveCallback === 'function')
                        {
                            this.opts.autosaveCallback(data, this);
                        }
                    }, this)
                });
            }, this), this.opts.interval*1000);
        },
        // TOOLBAR
        buildToolbar: function()
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            this.$toolbar = $('<ul>').addClass('redactor_toolbar');
            if (this.opts.air)
            {
                $(this.air).append(this.$toolbar);
                $('body').append(this.air);
            }
            else
            {
                if (this.opts.toolbarExternal === false)
                {
                    this.$box.prepend(this.$toolbar);
                }
                else
                {
                    $(this.opts.toolbarExternal).html(this.$toolbar);
                }
            }
            var self = this;
            var addToolbarButton = function($toolbar, key)
            {
                if (key !== '|' && typeof self.opts.toolbar[key] !== 'undefined')
                {
                    var s = self.opts.toolbar[key];
                    if (self.opts.fileUpload === false && key === 'file')
                    {
                        return;
                    }
                    $toolbar.append($('<li class="redactor_btn_container_' + key + '">').append(self.buildButton(key, s)));
                }
                if (key === '|')
                {
                    $toolbar.append($('<li class="redactor_separator"></li>'));
                }
            };
            var $toolbar = this.$toolbar;
            $.each(this.opts.buttons, function(i,key)
            {
                if ($.isArray(key))
                {
                    var $list = $('<ul />');
                    $.each(key, function(j, child) {
                        addToolbarButton($list, child);
                    });
                    $toolbar.append($('<li class="redactor_btn_group" />').append($list));
                }
                else
                {
                    addToolbarButton($toolbar, key);
                }
            });
        },
        buildButton: function(key, s)
        {
            var button = $('<a href="javascript:void(null);" title="' + s.title + '" class="redactor_btn_' + key + '"></a>');
            button.attr({
                unselectable: 'on',
                tabindex: -1
            }).on('dragstart', function(e) {e.preventDefault();});
            if (typeof s.func === 'undefined')
            {
                button.click($.proxy(function()
                {
                    if ($.inArray(key, this.opts.activeButtons) != -1)
                    {
                        //this.inactiveAllButtons();
                        this.toggleBtnActive(key);
                    }
                    if (this.browser('mozilla') || this.opts.iframe)
                    {
                        this.focus();
                        //this.restoreSelection();
                    }
                    this.execCommand(s.exec, key);
                }, this));
            }
            else if (s.func !== 'show')
            {
                button.click($.proxy(function(e) {
                    this[s.func](e);
                }, this));
            }
            if (typeof s.callback !== 'undefined' && s.callback !== false)
            {
                button.click($.proxy(function(e) { s.callback(this, e, key); }, this));
            }
            // dropdown
            if (key === 'backcolor' || key === 'fontcolor' || typeof(s.dropdown) !== 'undefined')
            {
                var dropdown = $('<div class="redactor_dropdown" style="display: none;">');
                if (key === 'backcolor' || key === 'fontcolor')
                {
                    dropdown = this.buildColorPicker(dropdown, key);
                }
                else
                {
                    dropdown = this.buildDropdown(dropdown, s.dropdown);
                }
                this.dropdowns.push(dropdown.appendTo($(document.body)));
                // observing dropdown
                this.hdlShowDropDown = $.proxy(function(e) { this.showDropDown(e, dropdown, key, s); }, this);
                button.click(this.hdlShowDropDown);
            }
            return button;
        },
        buildDropdown: function(dropdown, obj)
        {
            $.each(obj, $.proxy(
                function (x, d)
                {
                    if (typeof(d.className) === 'undefined')
                    {
                        d.className = '';
                    }
                    var drop_a;
                    if (typeof d.name !== 'undefined' && d.name === 'separator')
                    {
                        drop_a = $('<a class="redactor_separator_drop" unselectable="on">');
                    }
                    else
                    {
                        drop_a = $('<a href="javascript:void(null);" unselectable="on" class="' + d.className + '" style="' + (d.style || '') + '">' + d.title + '</a>');
                        if (typeof(d.callback) === 'function')
                        {
                            $(drop_a).click($.proxy(function(e) { d.callback(this, e, x); }, this));
                        }
                        else if (typeof(d.func) === 'undefined')
                        {
                            $(drop_a).click($.proxy(function() { this.execCommand(d.exec, x); this.focus(); }, this));
                        }
                        else
                        {
                            $(drop_a).click($.proxy(function(e) { this[d.func](e); }, this));
                        }
                    }
                    $(dropdown).append(drop_a);
                }, this)
            );
            return dropdown;
        },
        buildColorPicker: function(dropdown, key)
        {
            var mode;
            if (key === 'backcolor')
            {
                if (this.browser('msie'))
                {
                    mode = 'BackColor';
                }
                else
                {
                    mode = 'hilitecolor';
                }
            }
            else
            {
                mode = 'forecolor';
            }
            $(dropdown).width(this.opts.colorWidth);
            var len = this.opts.colors.length;
            for (var i = 0; i < len; ++i)
            {
                var color = this.opts.colors[i];
                var swatch = $('<a rel="' + color + '" href="javascript:void(null);" class="redactor_color_link" unselectable="on"></a>').css({ 'backgroundColor': color });
                $(dropdown).append(swatch);
                var _self = this;
                $(swatch).click(function()
                {
                    var color = $(this).attr('rel');
                    _self.execCommand(mode, color);
                    if (mode === 'forecolor')
                    {
                        if (_self.opts.cleanupFontTags)
                        {
                            _self.$editor.find('font').filter(function() {
                                return $(this).attr('color') == color;
                            }).replaceWith(function() {
                                var $span = $('<span style="color: ' + $(this).attr('color') + ';">' + $(this).html() + '</span>');
                                $span.find('[style]').css('color', '');
                                return $span;
                            });
                        }
                        else
                        {
                            var $sel = $(_self.analyzeSelection().selectedEls);
                            $sel.find('[style]').css('color', '');
                            $sel.filter('[style]').css('color', '');
                        }
                    }
                    if (_self.browser('msie') && mode === 'BackColor')
                    {
                        _self.$editor.find('font').replaceWith(function() {
                            return $('<span style="' + $(this).attr('style') + '">' + $(this).html() + '</span>');
                        });
                    }
                    _self.focus();
                });
            }
            var elnone = $('<a href="javascript:void(null);" class="redactor_color_none" unselectable="on"></a>').html(RLANG.none);
            if (key === 'backcolor')
            {
                elnone.click($.proxy(this.setBackgroundNone, this));
            }
            else
            {
                elnone.click($.proxy(this.setColorNone, this));
            }
            $(dropdown).append(elnone);
            return dropdown;
        },
        setBackgroundNone: function()
        {
            $(this.getCurrentNode()).parentsUntil('.redactor_editor, body').each(function() {
                var $el = $(this);
                if ($el.style.backgroundColor)
                {
                    $el.css('background-color', 'transparent');
                    return false;
                }
            });
            this.syncCode();
            this.focus();
        },
        setColorNone: function()
        {
            $(this.getCurrentNode()).parentsUntil('.redactor_editor, body').addBack().each(function() {
                var $el = $(this);
                if (this.attributes.color || this.style.color)
                {
                    $el.removeAttr('color').css('color', '');
                    return false;
                }
            });
            this.syncCode();
            this.focus();
        },
        // DROPDOWNS
        showDropDown: function(e, dropdown, key, s)
        {
            var btn = this.getBtn(key);
            if (btn.hasClass('dropact'))
            {
                this.hideAllDropDown();
            }
            else
            {
                this.hideAllDropDown();
                this.setBtnActive(key);
                btn.addClass('dropact');
                var offset = btn.offset(),
                    left = offset.left,
                    windowWidth = $(window).width(),
                    dropdownWidth = $(dropdown).outerWidth();
                if (s.dropdownOnShow)
                {
                    s.dropdownOnShow(this, e, dropdown, key);
                }
                if (left + dropdownWidth > windowWidth)
                {
                    left = Math.max(left - dropdownWidth + this.getBtn(key).outerWidth(), 0);
                }
                if (this.opts.air)
                {
                    var air_top = this.air.offset().top;
                    $(dropdown).css({ position: 'absolute', left: left + 'px', top: air_top+30 + 'px' }).show();
                }
                else if (this.opts.fixed && this.fixed)
                {
                    $(dropdown).css({ position: 'fixed', left: left + 'px', top: '30px' }).show();
                }
                else
                {
                    var top = offset.top + btn.outerHeight();
                    $(dropdown).css({ position: 'absolute', left: left + 'px', top: top + 'px' }).show();
                }
            }
            var hdlHideDropDown = $.proxy(function(e) { this.hideDropDown(e, dropdown, key); }, this);
            $(document).one('click', hdlHideDropDown);
            this.$editor.one('click', hdlHideDropDown);
            this.$content.one('click', hdlHideDropDown);
            e.stopPropagation();
        },
        hideAllDropDown: function()
        {
            this.$toolbar.find('a.dropact').removeClass('redactor_act').removeClass('dropact');
            $('.redactor_dropdown').hide();
        },
        hideDropDown: function(e, dropdown, key)
        {
            if (!$(e.target).hasClass('dropact'))
            {
                $(dropdown).removeClass('dropact');
                this.showedDropDown = false;
                this.hideAllDropDown();
            }
        },
        // BUTTONS MANIPULATIONS
        getBtn: function(key)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            return $(this.$toolbar.find('a.redactor_btn_' + key));
        },
        toggleBtnActive: function(key)
        {
            if (this.opts.activeButtons == false || this.opts.toolbar === false || this.isMobile(true))
            {
                return;
            }
            this.getBtn(key).toggleClass('redactor_act');
        },
        setBtnActive: function(key)
        {
            if (this.opts.activeButtons == false || this.opts.toolbar === false || this.isMobile(true))
            {
                return;
            }
            this.getBtn(key).addClass('redactor_act');
        },
        setBtnInactive: function(key)
        {
            if (this.opts.activeButtons == false || this.opts.toolbar === false || this.isMobile(true))
            {
                return;
            }
            this.getBtn(key).removeClass('redactor_act');
        },
        inactiveAllButtons: function()
        {
            $.each(this.opts.activeButtons, $.proxy(function(i,s)
            {
                this.setBtnInactive(s);
            }, this));
        },
        changeBtnIcon: function(key, classname)
        {
            this.getBtn(key).addClass('redactor_btn_' + classname);
        },
        removeBtnIcon: function(key, classname)
        {
            this.getBtn(key).removeClass('redactor_btn_' + classname);
        },
        addBtnSeparator: function()
        {
            this.$toolbar.append($('<li class="redactor_separator"></li>'));
        },
        addBtnSeparatorAfter: function(key)
        {
            var $btn = this.getBtn(key);
            $btn.parent().after($('<li class="redactor_separator"></li>'));
        },
        addBtnSeparatorBefore: function(key)
        {
            var $btn = this.getBtn(key);
            $btn.parent().before($('<li class="redactor_separator"></li>'));
        },
        removeBtnSeparatorAfter: function(key)
        {
            var $btn = this.getBtn(key);
            $btn.parent().next().remove();
        },
        removeBtnSeparatorBefore: function(key)
        {
            var $btn = this.getBtn(key);
            $btn.parent().prev().remove();
        },
        setBtnRight: function(key)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            this.getBtn(key).parent().addClass('redactor_btn_right');
        },
        setBtnLeft: function(key)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            this.getBtn(key).parent().removeClass('redactor_btn_right');
        },
        addBtn: function(key, title, callback, dropdown)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            var btn = this.buildButton(key, { title: title, callback: callback, dropdown: dropdown });
            this.$toolbar.append($('<li>').append(btn));
        },
        addBtnFirst: function(key, title, callback, dropdown)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            var btn = this.buildButton(key, { title: title, callback: callback, dropdown: dropdown });
            this.$toolbar.prepend($('<li>').append(btn));
        },
        addBtnAfter: function(afterkey, key, title, callback, dropdown)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            var btn = this.buildButton(key, { title: title, callback: callback, dropdown: dropdown });
            var $btn = this.getBtn(afterkey);
            $btn.parent().after($('<li>').append(btn));
        },
        addBtnBefore: function(beforekey, key, title, callback, dropdown)
        {
            if (this.opts.toolbar === false)
            {
                return false;
            }
            var btn = this.buildButton(key, { title: title, callback: callback, dropdown: dropdown });
            var $btn = this.getBtn(beforekey);
            $btn.parent().before($('<li>').append(btn));
        },
        removeBtn: function(key, separator)
        {
            var $btn = this.getBtn(key);
            if (separator === true)
            {
                $btn.parent().next().remove();
            }
            $btn.parent().removeClass('redactor_btn_right');
            $btn.remove();
        },
        // SELECTION AND NODE MANIPULATION
        getFragmentHtml: function (fragment)
        {
            var cloned = fragment.cloneNode(true);
            var div = this.document.createElement('div');
            div.appendChild(cloned);
            return div.innerHTML;
        },
        extractContent: function(node)
        {
            var node = node || this.$editor.get(0);
            var frag = this.document.createDocumentFragment(), child;
            while ((child = node.firstChild))
            {
                frag.appendChild(child);
            }
            return frag;
        },
        // Save and Restore Selection
        saveSelection: function()
        {
            this.focus();
            this.savedSel = this.getOrigin();
            this.savedSelObj = this.getFocus();
        },
        restoreSelection: function()
        {
            if (typeof this.savedSel !== 'undefined' && this.savedSel !== null && this.savedSelObj !== null)
            {
                if (this.opts.iframe === false && $(this.savedSel[0]).closest('.redactor_editor').size() == 0)
                {
                    this.focus();
                }
                else
                {
                    if (this.browser('opera'))
                    {
                        this.focus();
                    }
                    this.setSelection(this.savedSel[0], this.savedSel[1], this.savedSelObj[0], this.savedSelObj[1]);
                    if (this.browser('mozilla'))
                    {
                        this.focus();
                    }
                }
            }
            else
            {
                this.focus();
            }
        },
        // Selection
        getSelection: function()
        {
            var doc = this.document;
            if (this.window.getSelection)
            {
                return this.window.getSelection();
            }
            else if (doc.getSelection)
            {
                return doc.getSelection();
            }
            else // IE
            {
                return doc.selection.createRange();
            }
        },
        hasSelection: function()
        {
            if (!this.oldIE())
            {
                var sel;
                return (sel = this.getSelection()) && (sel.focusNode != null) && (sel.anchorNode != null);
            }
            else // IE8
            {
                var node = this.$editor.get(0);
                var range;
                if (!node || !node.document || !node.document.selection)
                {
                    return false;
                }
                //node.focus();
                range = node.document.selection.createRange();
                return range && range.parentElement().document === node.document;
            }
        },
        getOrigin: function()
        {
            if (!this.oldIE())
            {
                var sel;
                if (!((sel = this.getSelection()) && (sel.anchorNode != null)))
                {
                    return null;
                }
                return [sel.anchorNode, sel.anchorOffset];
            }
            else
            {
                var node = this.$editor.get(0);
                var range;
                if (!this.hasSelection())
                {
                    return null;
                }
                node.focus();
                range = node.document.selection.createRange();
                return this._getBoundary(node.document, range, true);
            }
        },
        getFocus: function()
        {
            if (!this.oldIE())
            {
                var sel;
                if (!((sel = this.getSelection()) && (sel.focusNode != null)))
                {
                    return null;
                }
                return [sel.focusNode, sel.focusOffset];
            }
            else
            {
                var node = this.$editor.get(0);
                var range;
                if (!this.hasSelection())
                {
                    return null;
                }
                node.focus();
                range = node.document.selection.createRange();
                return this._getBoundary(node.document, range, false);
            }
        },
        setSelection: function (orgn, orgo, focn, foco)
        {
            if (focn == null)
            {
                focn = orgn;
            }
            if (foco == null)
            {
                foco = orgo;
            }
            if (!this.oldIE())
            {
                var sel = this.getSelection();
                if (!sel)
                {
                    return;
                }
                if (sel.collapse && sel.extend)
                {
                    sel.collapse(orgn, orgo);
                    sel.extend(focn, foco);
                }
                else // IE9
                {
                    r = this.document.createRange();
                    r.setStart(orgn, orgo);
                    r.setEnd(focn, foco);
                    if (r.collapsed && (orgn != focn || (orgn == focn && orgo != foco)))
                    {
                        // IE has a situation where it doesn't set the range correctly - this fixes it
                        r.setStart(focn, foco);
                        r.setEnd(orgn, orgo);
                    }
                    try
                    {
                        sel.removeAllRanges();
                    }
                    catch (e) {}
                    sel.addRange(r);
                }
            }
            else
            {
                var node = this.$editor.get(0);
                var range = node.document.body.createTextRange();
                this._moveBoundary(node.document, range, false, focn, foco);
                this._moveBoundary(node.document, range, true, orgn, orgo);
                return range.select();
            }
        },
        selectLast: function(root)
        {
            if (!root)
            {
                root = this.$editor;
            }
            root = $(root).get(0);
            if (!root)
            {
                return;
            }
            var el = root.lastChild;
            if (el)
            {
                while (el.lastChild)
                {
                    el = el.lastChild;
                }
                if (el.nodeType == 3)
                {
                    this.setSelection(el, el.nodeValue.length, el, el.nodeValue.length);
                }
                else if (el.tagName === 'BR' || el.tagName === 'IMG')
                {
                    var p = el.parentNode;
                    this.setSelection(p, p.length - 1, p, p.length - 1);
                }
                else
                {
                    this.setSelection(el, 0, el, 0);
                }
            }
            else
            {
                this.setSelection(root, 0, root, 0);
            }
        },
        selectFirst: function(root)
        {
            if (!root)
            {
                root = this.$editor;
            }
            root = $(root).get(0);
            if (!root)
            {
                return;
            }
            var el = root.firstChild;
            if (el && el.tagName !== 'BR' && el.tagName !== 'IMG')
            {
                this.setSelection(el, 0, el, 0);
            }
            else
            {
                this.setSelection(root, 0, root, 0);
            }
        },
        // Get elements, html and text
        getCurrentNode: function()
        {
            if (typeof this.window.getSelection !== 'undefined')
            {
                var s = this.getSelectedNode();
                return s ? s.parentNode : false;
            }
            else if (typeof this.document.selection !== 'undefined')
            {
                return this.getSelection().parentElement();
            }
        },
        getParentNode: function()
        {
            return $(this.getCurrentNode()).parent()[0]
        },
        getSelectedNode: function()
        {
            if (this.oldIE())
            {
                return this.getSelection().parentElement();
            }
            else if (typeof this.window.getSelection !== 'undefined')
            {
                var s = this.window.getSelection();
                if (s && s.rangeCount > 0)
                {
                    return this.getSelection().getRangeAt(0).commonAncestorContainer;
                }
                else
                {
                    return false;
                }
            }
            else if (typeof this.document.selection !== 'undefined')
            {
                return this.getSelection();
            }
        },
        // IE8 specific selection
        _getBoundary: function(doc, textRange, bStart)
        {
            var cursor, cursorNode, node, offset, parent, inserted = false;
            cursorNode = doc.createElement('a');
            cursor = textRange.duplicate();
            cursor.collapse(bStart);
            parent = cursor.parentElement();
            while (true)
            {
                parent.insertBefore(cursorNode, inserted ? cursorNode.previousSibling : null);
                inserted = true;
                cursor.moveToElementText(cursorNode);
                if (!(cursor.compareEndPoints((bStart ? 'StartToStart' : 'StartToEnd'), textRange) > 0 && (cursorNode.previousSibling != null)))
                {
                    break;
                }
            }
            if (cursor.compareEndPoints((bStart ? 'StartToStart' : 'StartToEnd'), textRange) === -1 && cursorNode.nextSibling)
            {
                cursor.setEndPoint((bStart ? 'EndToStart' : 'EndToEnd'), textRange);
                node = cursorNode.nextSibling;
                offset = cursor.text.length;
            }
            else
            {
                node = cursorNode.parentNode;
                offset = this._getChildIndex(cursorNode);
            }
            cursorNode.parentNode.removeChild(cursorNode);
            return [node, offset];
        },
        _moveBoundary: function(doc, textRange, bStart, node, offset)
        {
            var anchorNode, anchorParent, cursor, cursorNode, textOffset;
            textOffset = 0;
            anchorNode = this._isText(node) ? node : node.childNodes[offset];
            anchorParent = this._isText(node) ? node.parentNode : node;
            if (this._isText(node))
            {
                textOffset = offset;
            }
            cursorNode = doc.createElement('a');
            anchorParent.insertBefore(cursorNode, anchorNode || null);
            cursor = doc.body.createTextRange();
            cursor.moveToElementText(cursorNode);
            cursorNode.parentNode.removeChild(cursorNode);
            textRange.setEndPoint((bStart ? 'StartToStart' : 'EndToEnd'), cursor);
            return textRange[bStart ? 'moveStart' : 'moveEnd']('character', textOffset);
        },
        _isText: function (d)
        {
            return (d != null ? d.nodeType == 3 : false);
        },
        _getChildIndex: function (e)
        {
            var k = 0;
            while (e = e.previousSibling) {
                k++;
            }
            return k;
        },
        insertNodeAfterCaret: function(node)
        {
            this.saveSelection();
            this.insertNodeAtCaret(node);
            this.restoreSelection();
        },
        insertNodeAtCaret: function(node)
        {
            if (this.window.getSelection)
            {
                var sel = this.getSelection();
                if (sel.rangeCount)
                {
                    var range = sel.getRangeAt(0);
                    range.collapse(false);
                    range.insertNode(node);
                    range = range.cloneRange();
                    range.selectNodeContents(node);
                    range.collapse(false);
                    sel.removeAllRanges();
                    sel.addRange(range);
                }
            }
            else if (this.document.selection)
            {
                var html = (node.nodeType === 1) ? node.outerHTML : node.data;
                var id = "marker_" + ("" + Math.random()).slice(2);
                html += '<span id="' + id + '"></span>';
                var textRange = this.getSelection();
                textRange.collapse(false);
                textRange.pasteHTML(html);
                var markerSpan = this.document.getElementById(id);
                textRange.moveToElementText(markerSpan);
                textRange.select();
                markerSpan.parentNode.removeChild(markerSpan);
            }
        },
        getSelectedHtml: function()
        {
            var html = '';
            if (this.window.getSelection)
            {
                var sel = this.window.getSelection();
                if (sel.rangeCount)
                {
                    var container = this.document.createElement("div");
                    for (var i = 0, len = sel.rangeCount; i < len; ++i)
                    {
                        container.appendChild(sel.getRangeAt(i).cloneContents());
                    }
                    html = container.innerHTML;
                }
            }
            else if (this.document.selection)
            {
                if (this.document.selection.type === "Text")
                {
                    html = this.document.selection.createRange().htmlText;
                }
            }
            return html;
        },
        analyzeSelection: function()
        {
            var origin = this.getOrigin(),
                focus = this.getFocus(),
                isCollapsed = (focus[0] == origin[0] && focus[1] == origin[1]);
            if ($(origin[0]).is('.redactor_editor, body'))
            {
                origin[0] = origin[0].childNodes[origin[1]];
                origin[1] = 0;
            }
            if ($(focus[0]).is('.redactor_editor, body'))
            {
                focus[0] = focus[0].childNodes[focus[1] ? focus[1] - 1 : 0];
                focus[1] = focus[0].nodeType == 3 ? focus[0].nodeValue.length : focus[0].childNodes.length;
            }
            var $originParents = $(origin[0]).parentsUntil('.redactor_editor, body, html'),
                $focusParents = $(focus[0]).parentsUntil('.redactor_editor, body, html'),
                $commonAncestor,
                commonFocusDepth,
                commonOriginDepth;
            $focusParents.each(function(i) {
                var f = this;
                $originParents.each(function(j) {
                    if (this === f)
                    {
                        $commonAncestor = $(this);
                        commonOriginDepth = j;
                        return false;
                    }
                });
                if ($commonAncestor)
                {
                    commonFocusDepth = i;
                    return false;
                }
            });
            if (!$commonAncestor)
            {
                $commonAncestor = this.$editor;
                commonOriginDepth = $originParents.length;
                commonFocusDepth = $focusParents.length;
            }
            var originCheck = commonOriginDepth > 0 ? $originParents.get(commonOriginDepth - 1) : origin[0],
                focusCheck = commonFocusDepth > 0 ? $focusParents.get(commonFocusDepth - 1) : focus[0],
                selectedEls = [],
                foundOrigin = false,
                flipOriginFocus = function() {
                    var temp;
                    temp = origin; origin = focus; focus = temp;
                    temp = $originParents; $originParents = $focusParents; $focusParents = temp;
                    temp = commonOriginDepth; commonOriginDepth = commonFocusDepth; commonFocusDepth = temp;
                    temp = originCheck; originCheck = focusCheck; focusCheck = temp;
                };
            // we need to make sure that the origin actually comes before the focus
            if (focus[0] == origin[0])
            {
                if (origin[1] > focus[1])
                {
                    flipOriginFocus();
                }
            }
            else
            {
                var getSelectionPositionPath = function(el, offset)
                {
                    var path = [], test;
                    if (el.nodeType == 1)
                    {
                        path.push([el, offset]);
                    }
                    while (el && el != $commonAncestor[0])
                    {
                        offset = 0;
                        test = el;
                        while (test = test.previousSibling)
                        {
                            offset++;
                        }
                        path.push([el.parentNode, offset]);
                        el = el.parentNode;
                    }
                    return path.reverse();
                };
                var originPath = getSelectionPositionPath(origin[0], origin[1]),
                    focusPath = getSelectionPositionPath(focus[0], focus[1]);
                for (var i = 0; originPath[i] && focusPath[i]; i++)
                {
                    if (originPath[i][0] != focusPath[i][0])
                    {
                        console.error('unexpected difference in selection path roots');
                        break;
                    }
                    else if (originPath[i][1] < focusPath[i][1])
                    {
                        // right order
                        break;
                    }
                    else if (originPath[i][1] > focusPath[i][1])
                    {
                        // wrong order
                        flipOriginFocus();
                        break;
                    }
                    // else continue with the next level
                }
            }
            var getMaxSelectable = function(el)
            {
                while (el.parentNode.childNodes.length == 1)
                {
                    el = el.parentNode;
                }
                return el;
            };
            $.each($commonAncestor.get(0).childNodes, function(i) {
                if (this == focusCheck)
                {
                    return false;
                }
                if (this == originCheck)
                {
                    foundOrigin = true;
                }
                else if (foundOrigin)
                {
                    selectedEls.push(getMaxSelectable(this));
                }
            });
            if (origin[0].parentNode != focus[0].parentNode)
            {
                var addSelected = function(el, stopOn, navKey)
                {
                    while (el && el != stopOn && el.parentNode != stopOn)
                    {
                        while (el[navKey])
                        {
                            selectedEls.push(getMaxSelectable(el[navKey]));
                            el = el[navKey];
                        }
                        el = el.parentNode;
                    }
                };
                if (commonOriginDepth)
                {
                    addSelected(origin[0], originCheck, 'nextSibling');
                }
                if (commonFocusDepth)
                {
                    addSelected(focus[0], focusCheck, 'previousSibling');
                }
            }
            /*console.log("Ancestor: %o", $commonAncestor[0]);
            console.log("Origin: %o", origin);
            console.log("Origin parents: %o", $originParents.toArray());
            console.log("Origin check: %o (depth: %i)", originCheck, commonOriginDepth);
            console.log("Focus: %o", focus);
            console.log("Focus parents: %o", $focusParents.toArray());
            console.log("Focus check: %o (depth: %i)", focusCheck, commonFocusDepth);
            console.log("Fully selected: %o", selectedEls);*/
            var selStart,
                selStartOffset = null,
                selEnd,
                selEndOffset = null;
            if (origin[0] == focus[0])
            {
                if (origin[0].nodeType == 3)
                {
                    if (origin[1] == 0 && focus[1] >= origin[0].nodeValue.length)
                    {
                        // whole thing is selected
                        selStart = selEnd = getMaxSelectable(origin[0].parentNode);
                        selectedEls.push(selStart);
                    }
                    else
                    {
                        selStart = origin[0];
                        selStartOffset = origin[1];
                        selEnd = focus[0];
                        selEndOffset = focus[1];
                    }
                }
                else if (origin[1] == 0 && origin[0].childNodes.length == focus[1])
                {
                    // whole thing is selected
                    selStart = selEnd = getMaxSelectable(origin[0]);
                    selectedEls.push(selStart);
                }
                else if (origin[1] == 0 && focus[1] == 0)
                {
                    origin[0].insertBefore(origin[0].ownerDocument.createTextNode(''), origin[0].firstChild);
                    selStart = selEnd = origin[0].childNodes[0];
                    selectedEls.push(selStart);
                }
                else
                {
                    $.each(origin[0].childNodes, function(i) {
                        if (i >= focus[1])
                        {
                            // past the end
                            return false;
                        }
                        if (i >= origin[1])
                        {
                            selectedEls.push(this);
                        }
                    });
                    if (!origin[0].childNodes[origin[1]])
                    {
                        var tn = origin[0].ownerDocument.createTextNode('');
                        origin[0].appendChild(tn);
                        selectedEls.push(tn);
                        focus[1]++;
                    }
                    selStart = origin[0].childNodes[origin[1]];
                    selEnd = focus[0].childNodes[focus[1] ? focus[1] - 1 : 0];
                }
            }
            else
            {
                if (origin[0].nodeType == 3)
                {
                    if (origin[1] > 0)
                    {
                        selStart = origin[0];
                        selStartOffset = origin[1];
                    }
                    else
                    {
                        // whole thing is selected
                        selStart = getMaxSelectable(origin[0]);
                        selectedEls.push(selStart);
                    }
                }
                else
                {
                    var focusRelated = $focusParents.toArray();
                    focusRelated.push(focus[0]);
                    $.each(origin[0].childNodes, function(i) {
                        if ($(this).is(focusRelated))
                        {
                            return false;
                        }
                        if (i >= origin[1])
                        {
                            selectedEls.push(this);
                        }
                    });
                    selStart = origin[0].childNodes[origin[1]];
                }
                if (focus[0].nodeType == 3)
                {
                    if (focus[1] < focus[0].nodeValue.length)
                    {
                        selEnd = focus[0];
                        selEndOffset = focus[1];
                    }
                    else
                    {
                        // whole thing is selected
                        selEnd = getMaxSelectable(focus[0]);
                        selectedEls.push(selEnd);
                    }
                }
                else
                {
                    var originRelated = $originParents.toArray(),
                        pastOrigin = false;
                    originRelated.push(origin[0]);
                    $.each(focus[0].childNodes, function(i) {
                        if ($(this).is(originRelated))
                        {
                            pastOrigin = true;
                            return;
                        }
                        if (pastOrigin && i < focus[1])
                        {
                            selectedEls.push(this);
                        }
                    });
                    selEnd = focus[0].childNodes[focus[1] - 1];
                }
            }
            var selInfo = {
                origin: origin,
                focus: focus,
                $commonAncestor: $commonAncestor,
                isCollapsed: isCollapsed,
                selectedEls: selectedEls
            };
            var self = this,
                $selStartIns,
                $selEndIns;
            /*console.log("selStart: %o (offset: %o)", selStart, selStartOffset);
            console.log("selEnd: %o (offset: %o)", selEnd, selEndOffset);
            console.log("selectedEls: %o (count: %d)", selectedEls, selectedEls.length);*/
            selInfo.selectPartials = function(wrapEl)
            {
                if (selStart == selEnd && selStartOffset !== null)
                {
                    // selected part of the same node
                    selStart = selEnd = self.splitTextNode(
                        selStart, wrapEl, selStartOffset, selEndOffset
                    );
                    selStartOffset = null;
                    selEndOffset = null;
                    selInfo.selectedEls.push(selStart);
                }
                else
                {
                    if (selStartOffset !== null)
                    {
                        selStart = self.splitTextNode(selStart, wrapEl, selStartOffset);
                        selStartOffset = null;
                        selInfo.selectedEls.push(selStart);
                    }
                    if (selEndOffset !== null)
                    {
                        selEnd = self.splitTextNode(selEnd, wrapEl, 0, selEndOffset);
                        selEndOffset = null;
                        selInfo.selectedEls.push(selEnd);
                    }
                }
                return selInfo;
            };
            selInfo.bookmarkSelection = function()
            {
                selInfo.selectPartials();
                if ($selStartIns)
                {
                    $selStartIns.remove();
                }
                if ($selEndIns)
                {
                    $selEndIns.remove();
                }
                $selStartIns = $('<ins class="start"></ins>').insertBefore(selStart);
                $selEndIns = $('<ins class="end"></ins>').insertAfter(selEnd);
                return [$selStartIns, $selEndIns];
            };
            selInfo.restoreBookmark = function()
            {
                if ($selStartIns && $selEndIns)
                {
                    self.setSelection($selStartIns.get(0), 0, $selEndIns.get(0), 0);
                }
                if ($selStartIns)
                {
                    $selStartIns.remove();
                }
                if ($selEndIns)
                {
                    $selEndIns.remove();
                }
            };
            return selInfo;
        },
        splitTextNode: function(node, wrapEl, offsetStart, offsetEnd)
        {
            var content = node.nodeValue;
            if (typeof offsetEnd == 'undefined' || offsetEnd === null)
            {
                offsetEnd = content.length;
            }
            offsetStart = offsetStart || 0;
            if (offsetStart > offsetEnd)
            {
                var t = offsetStart;
                offsetStart = offsetEnd;
                offsetEnd = t;
            }
            var startText = content.substr(0, offsetStart),
                selectedText = content.substr(offsetStart, offsetEnd - offsetStart),
                afterText = content.substr(offsetEnd),
                $tempEl = wrapEl
                    ? $(wrapEl).text(selectedText)
                    : $(node.ownerDocument.createTextNode(selectedText));
            if (startText.length && afterText.length)
            {
                node.nodeValue = startText;
                $tempEl = $tempEl.insertAfter(node);
                $tempEl.after(node.ownerDocument.createTextNode(afterText));
            }
            else if (startText.length)
            {
                node.nodeValue = startText;
                $tempEl = $tempEl.insertAfter(node);
            }
            else if (afterText.length)
            {
                node.nodeValue = afterText;
                $tempEl = $tempEl.insertBefore(node);
            }
            else
            {
                return node;
            }
            return $tempEl.get(0);
        },
        // RESIZE IMAGES
        resizeImage: function(resize)
        {
            var clicked = false;
            var clicker = false;
            var start_x;
            var start_y;
            var ratio = $(resize).width()/$(resize).height();
            var min_w = 10;
            var min_h = 10;
            $(resize).off('hover mousedown mouseup click mousemove');
             $(resize).hover(function() { $(resize).css('cursor', 'nw-resize'); }, function() { $(resize).css('cursor',''); clicked = false; });
            $(resize).mousedown(function(e)
            {
                e.preventDefault();
                ratio = $(resize).width()/$(resize).height();
                clicked = true;
                clicker = true;
                start_x = Math.round(e.pageX - $(resize).eq(0).offset().left);
                start_y = Math.round(e.pageY - $(resize).eq(0).offset().top);
            });
            $(resize).mouseup($.proxy(function(e)
            {
                clicked = false;
                $(resize).css('cursor','');
                this.syncCode();
            }, this));
            $(resize).click($.proxy(function(e)
            {
                if (clicker)
                {
                    this.imageEdit(e);
                }
            }, this));
            $(resize).mousemove(function(e)
            {
                if (clicked)
                {
                    clicker = false;
                    var mouse_x = Math.round(e.pageX - $(this).eq(0).offset().left) - start_x;
                    var mouse_y = Math.round(e.pageY - $(this).eq(0).offset().top) - start_y;
                    var div_h = $(resize).height();
                    var new_h = parseInt(div_h, 10) + mouse_y;
                    var new_w = new_h*ratio;
                    if (new_w > min_w)
                    {
                        $(resize).width(new_w);
                    }
                    if (new_h > min_h)
                    {
                        $(resize).height(new_h);
                    }
                    start_x = Math.round(e.pageX - $(this).eq(0).offset().left);
                    start_y = Math.round(e.pageY - $(this).eq(0).offset().top);
                }
            });
        },
        // TABLE
        showTable: function()
        {
            this.saveSelection();
            this.modalInit(RLANG.table, this.opts.modal_table, 300, $.proxy(function()
                {
                    $('#redactor_insert_table_btn').click($.proxy(this.insertTable, this));
                    setTimeout(function()
                    {
                        $('#redactor_table_rows').focus();
                    }, 200);
                }, this)
            );
        },
        insertTable: function()
        {
            var rows = $('#redactor_table_rows').val();
            var columns = $('#redactor_table_columns').val();
            var table_box = $('<div></div>');
            var tableid = Math.floor(Math.random() * 99999);
            var table = $('<table id="table' + tableid + '"><tbody></tbody></table>');
            for (var i = 0; i < rows; i++)
            {
                var row = $('<tr></tr>');
                for (var z = 0; z < columns; z++)
                {
                    var column = $('<td><br></td>');
                    $(row).append(column);
                }
                $(table).append(row);
            }
            $(table_box).append(table);
            var html = $(table_box).html() + '<p></p>';
            this.restoreSelection();
            this.execCommand('inserthtml', html);
            this.modalClose();
            this.observeTables();
        },
        tableObserver: function(e)
        {
            this.$table = $(e.target).closest('table');
            this.$table_tr = this.$table.find('tr');
            this.$table_td = this.$table.find('td');
            this.$tbody = $(e.target).closest('tbody');
            this.$thead = $(this.$table).find('thead');
            this.$current_td = $(e.target);
            this.$current_tr = $(e.target).closest('tr');
        },
        deleteTable: function()
        {
            $(this.$table).remove();
            this.$table = false;
            this.syncCode();
        },
        deleteRow: function()
        {
            $(this.$current_tr).remove();
            this.syncCode();
        },
        deleteColumn: function()
        {
            var index = $(this.$current_td).get(0).cellIndex;
            $(this.$table).find('tr').each(function()
            {
                $(this).find('td').eq(index).remove();
            });
            this.syncCode();
        },
        addHead: function()
        {
            if ($(this.$table).find('thead').size() !== 0)
            {
                this.deleteHead();
            }
            else
            {
                var tr = $(this.$table).find('tr').first().clone();
                tr.find('td').html(' ');
                this.$thead = $('<thead></thead>');
                this.$thead.append(tr);
                $(this.$table).prepend(this.$thead);
                this.syncCode();
            }
        },
        deleteHead: function()
        {
            $(this.$thead).remove();
            this.$thead = false;
            this.syncCode();
        },
        insertRowAbove: function()
        {
            this.insertRow('before');
        },
        insertRowBelow: function()
        {
            this.insertRow('after');
        },
        insertColumnLeft: function()
        {
            this.insertColumn('before');
        },
        insertColumnRight: function()
        {
            this.insertColumn('after');
        },
        insertRow: function(type)
        {
            var new_tr = $(this.$current_tr).clone();
            new_tr.find('td').html(' ');
            if (type === 'after')
            {
                $(this.$current_tr).after(new_tr);
            }
            else
            {
                $(this.$current_tr).before(new_tr);
            }
            this.syncCode();
        },
        insertColumn: function(type)
        {
            var index = 0;
            this.$current_tr.find('td').each($.proxy(function(i,s)
            {
                if ($(s)[0] === this.$current_td[0])
                {
                    index = i;
                }
            }, this));
            this.$table_tr.each(function(i,s)
            {
                var current = $(s).find('td').eq(index);
                var td = current.clone();
                td.html(' ');
                if (type === 'after')
                {
                    $(current).after(td);
                }
                else
                {
                    $(current).before(td);
                }
            });
            this.syncCode();
        },
        // INSERT VIDEO
        showVideo: function()
        {
            this.saveSelection();
            this.modalInit(RLANG.video, this.opts.modal_video, 600, $.proxy(function()
                {
                    $('#redactor_insert_video_btn').click($.proxy(this.insertVideo, this));
                    setTimeout(function()
                    {
                        $('#redactor_insert_video_area').focus();
                    }, 200);
                }, this)
            );
        },
        insertVideo: function()
        {
            var data = $('#redactor_insert_video_area').val();
            data = this.stripTags(data);
            this.restoreSelection();
            this.execCommand('inserthtml', data);
            this.modalClose();
        },
        // INSERT IMAGE
        imageEdit: function(e)
        {
            var $el = $(e.target);
            var parent = $el.parent();
            var callback = $.proxy(function()
            {
                $('#redactor_file_alt').val($el.attr('alt'));
                $('#redactor_image_edit_src').attr('href', $el.attr('src'));
                $('#redactor_form_image_align').val($el.css('float'));
                if ($(parent).get(0).tagName === 'A')
                {
                    $('#redactor_file_link').val($(parent).attr('href'));
                }
                $('#redactor_image_delete_btn').click($.proxy(function() { this.imageDelete($el); }, this));
                $('#redactorSaveBtn').click($.proxy(function() { this.imageSave($el); }, this));
            }, this);
            this.modalInit(RLANG.image, this.opts.modal_image_edit, 380, callback);
        },
        imageDelete: function(el)
        {
            var parent = $(el).parent();
            if (parent.size() != 0 && parent[0].tagName == 'A')
            {
                // image's link remove
                parent.remove();
            }
            else
            {
                $(el).remove();
            }
            this.modalClose();
            this.syncCode();
        },
        imageSave: function(el)
        {
            var parent = $(el).parent();
            $(el).attr('alt', $('#redactor_file_alt').val());
            var floating = $('#redactor_form_image_align').val();
            if (floating === 'left')
            {
                $(el).css({ 'float': 'left', margin: '0 10px 10px 0' });
            }
            else if (floating === 'right')
            {
                $(el).css({ 'float': 'right', margin: '0 0 10px 10px' });
            }
            else
            {
                $(el).css({ 'float': 'none', margin: '0' });
            }
            // as link
            var link = $.trim($('#redactor_file_link').val());
            if (link !== '')
            {
                if ($(parent).get(0).tagName !== 'A')
                {
                    $(el).replaceWith('<a href="' + link + '">' + this.outerHTML(el) + '</a>');
                }
                else
                {
                    $(parent).attr('href', link);
                }
            }
            else
            {
                if ($(parent).get(0).tagName === 'A')
                {
                    $(parent).replaceWith(this.outerHTML(el));
                }
            }
            this.modalClose();
            this.observeImages();
            this.syncCode();
        },
        showImage: function()
        {
            this.saveSelection();
            var callback = $.proxy(function()
            {
                // json
                if (this.opts.imageGetJson !== false)
                {
                    $.getJSON(this.opts.imageGetJson, $.proxy(function(data) {
                        var folders = {};
                        var z = 0;
                        // folders
                        $.each(data, $.proxy(function(key, val)
                        {
                            if (typeof val.folder !== 'undefined')
                            {
                                z++;
                                folders[val.folder] = z;
                            }
                        }, this));
                        var folderclass = false;
                        $.each(data, $.proxy(function(key, val)
                        {
                            // title
                            var thumbtitle = '';
                            if (typeof val.title !== 'undefined')
                            {
                                thumbtitle = val.title;
                            }
                            var folderkey = 0;
                            if (!$.isEmptyObject(folders) && typeof val.folder !== 'undefined')
                            {
                                folderkey = folders[val.folder];
                                if (folderclass === false)
                                {
                                    folderclass = '.redactorfolder' + folderkey;
                                }
                            }
                            var img = $('<img src="' + val.thumb + '" class="redactorfolder redactorfolder' + folderkey + '" rel="' + val.image + '" title="' + thumbtitle + '" />');
                            $('#redactor_image_box').append(img);
                            $(img).click($.proxy(this.imageSetThumb, this));
                        }, this));
                        // folders
                        if (!$.isEmptyObject(folders))
                        {
                            $('.redactorfolder').hide();
                            $(folderclass).show();
                            var onchangeFunc = function(e)
                            {
                                $('.redactorfolder').hide();
                                $('.redactorfolder' + $(e.target).val()).show();
                            }
                            var select = $('<select id="redactor_image_box_select">');
                            $.each(folders, function(k,v)
                            {
                                select.append($('<option value="' + v + '">' + k + '</option>'));
                            });
                            $('#redactor_image_box').before(select);
                            select.change(onchangeFunc);
                        }
                    }, this));
                }
                else
                {
                    $('#redactor_tabs a').eq(1).remove();
                }
                if (this.opts.imageUpload !== false)
                {
                    // dragupload
                    if (this.opts.uploadCrossDomain === false && this.isMobile() === false)
                    {
                        if ($('#redactor_file').size() !== 0)
                        {
                            $('#redactor_file').dragupload(
                            {
                                url: this.opts.imageUpload,
                                uploadFields: this.opts.uploadFields,
                                success: $.proxy(this.imageUploadCallback, this),
                                error: $.proxy(this.opts.imageUploadErrorCallback, this)
                            });
                        }
                    }
                    // ajax upload
                    this.uploadInit('redactor_file',
                    {
                        auto: true,
                        url: this.opts.imageUpload,
                        success: $.proxy(this.imageUploadCallback, this),
                        error: $.proxy(this.opts.imageUploadErrorCallback, this)
                    });
                }
                else
                {
                    $('.redactor_tab').hide();
                    if (this.opts.imageGetJson === false)
                    {
                        $('#redactor_tabs').remove();
                        $('#redactor_tab3').show();
                    }
                    else
                    {
                        var tabs = $('#redactor_tabs a');
                        tabs.eq(0).remove();
                        tabs.eq(1).addClass('redactor_tabs_act');
                        $('#redactor_tab2').show();
                    }
                }
                $('#redactor_upload_btn').click($.proxy(this.imageUploadCallbackLink, this));
                if (this.opts.imageUpload === false && this.opts.imageGetJson === false)
                {
                    setTimeout(function()
                    {
                        $('#redactor_file_link').focus();
                    }, 200);
                }
            }, this);
            this.modalInit(RLANG.image, this.opts.modal_image, 600, callback);
        },
        imageSetThumb: function(e)
        {
            this._imageSet('<img src="' + $(e.target).attr('rel') + '" alt="' + $(e.target).attr('title') + '" /> ', true);
        },
        imageUploadCallbackLink: function()
        {
            if ($('#redactor_file_link').val() !== '')
            {
                var data = '<img src="' + $('#redactor_file_link').val() + '" /> ';
                this._imageSet(data, true);
            }
            else
            {
                this.modalClose();
            }
        },
        imageUploadCallback: function(data)
        {
            this._imageSet(data);
        },
        _imageSet: function(json, link)
        {
            this.restoreSelection();
            if (json !== false)
            {
                var html = '';
                if (link !== true)
                {
                    html = '<p><img src="' + json.filelink + '" /></p>';
                }
                else
                {
                    html = json;
                }
                this.execCommand('inserthtml', html);
                // upload image callback
                if (link !== true && typeof this.opts.imageUploadCallback === 'function')
                {
                    this.opts.imageUploadCallback(this, json);
                }
            }
            this.modalClose();
            this.observeImages();
        },
        // INSERT LINK
        showLink: function()
        {
            this.saveSelection();
            var callback = $.proxy(function()
            {
                this.insert_link_node = false;
                var sel = this.getSelection();
                var url = '', text = '', target = '';
                if (this.browser('msie'))
                {
                    var parent = this.getParentNode();
                    if (parent.nodeName === 'A')
                    {
                        this.insert_link_node = $(parent);
                        text = this.insert_link_node.text();
                        url = this.insert_link_node.attr('href');
                        target = this.insert_link_node.attr('target');
                    }
                    else
                    {
                        if (this.oldIE())
                        {
                            text = sel.text;
                        }
                        else
                        {
                            text = sel.toString();
                        }
                    }
                }
                else
                {
                    if (sel && sel.anchorNode && sel.anchorNode.parentNode.tagName === 'A')
                    {
                        url = sel.anchorNode.parentNode.href;
                        text = sel.anchorNode.parentNode.text;
                        target = sel.anchorNode.parentNode.target;
                        if (sel.toString() === '')
                        {
                            this.insert_link_node = sel.anchorNode.parentNode;
                        }
                    }
                    else
                    {
                        text = sel.toString();
                    }
                }
                $('#redactor_link_url_text').val(text);
                var thref = self.location.href.replace(//$/i, '');
                var turl = url.replace(thref, '');
                if (url.search('mailto:') === 0)
                {
                    this.setModalTab(2);
                    $('#redactor_tab_selected').val(2);
                    $('#redactor_link_mailto').val(url.replace('mailto:', ''));
                }
                else if (turl.search(/^#/gi) === 0)
                {
                    this.setModalTab(3);
                    $('#redactor_tab_selected').val(3);
                    $('#redactor_link_anchor').val(turl.replace(/^#/gi, ''));
                }
                else
                {
                    $('#redactor_link_url').val(turl);
                }
                if (target === '_blank')
                {
                    $('#redactor_link_blank').attr('checked', true);
                }
                $('#redactor_insert_link_btn').click($.proxy(this.insertLink, this));
                setTimeout(function()
                {
                    $('#redactor_link_url').focus();
                }, 200);
            }, this);
            this.modalInit(RLANG.link, this.opts.modal_link, 600, callback);
        },
        insertLink: function()
        {
            var tab_selected = $('#redactor_tab_selected').val();
            var link = '', text = '', targettext = '', target = '';
            if (tab_selected === '1') // url
            {
                link = $('#redactor_link_url').val();
                text = $('#redactor_link_url_text').val();
                if (!text.length)
                {
                    text = link;
                }
                if ($('#redactor_link_blank').prop('checked'))
                {
                    targettext = ' target="_blank"';
                    target = '_blank';
                }
                // test url
                if (link.length && !link.match(/^(w+:)|//))
                {
                    link = this.opts.protocol + link;
                }
            }
            else if (tab_selected === '2') // mailto
            {
                link = 'mailto:' + $('#redactor_link_mailto').val();
                text = $('#redactor_link_mailto_text').val();
                if (!text.length)
                {
                    text = $('#redactor_link_mailto').val();
                }
            }
            else if (tab_selected === '3') // anchor
            {
                link = '#' + $('#redactor_link_anchor').val();
                text = $('#redactor_link_anchor_text').val();
            }
            this._insertLink('<a href="' + link + '"' + targettext + '>' +  text + '</a>', $.trim(text), link, target);
        },
        _insertLink: function(a, text, link, target)
        {
            this.focus();
            this.restoreSelection();
            if (text !== '' && link !== '')
            {
                if (this.insert_link_node)
                {
                    $(this.insert_link_node).text(text);
                    $(this.insert_link_node).attr('href', link);
                    if (target !== '')
                    {
                        $(this.insert_link_node).attr('target', target);
                    }
                    else
                    {
                        $(this.insert_link_node).removeAttr('target');
                    }
                    this.syncCode();
                }
                else
                {
                    this.execCommand('inserthtml', a);
                }
            }
            this.modalClose();
        },
        // INSERT FILE
        showFile: function()
        {
            this.saveSelection();
            var callback = $.proxy(function()
            {
                var sel = this.getSelection();
                var text = '';
                if (this.oldIE())
                {
                    text = sel.text;
                }
                else
                {
                    text = sel.toString();
                }
                $('#redactor_filename').val(text);
                // dragupload
                if (this.opts.uploadCrossDomain === false && this.isMobile() === false)
                {
                    $('#redactor_file').dragupload(
                    {
                        url: this.opts.fileUpload,
                        uploadFields: this.opts.uploadFields,
                        success: $.proxy(this.fileUploadCallback, this),
                        error: $.proxy(this.opts.fileUploadErrorCallback, this)
                    });
                }
                this.uploadInit('redactor_file',
                {
                    auto: true,
                    url: this.opts.fileUpload,
                    success: $.proxy(this.fileUploadCallback, this),
                    error: $.proxy(this.opts.fileUploadErrorCallback, this)
                });
            }, this);
            this.modalInit(RLANG.file, this.opts.modal_file, 600, callback);
        },
        fileUploadCallback: function(json)
        {
            this.restoreSelection();
            if (json !== false)
            {
                var text = $('#redactor_filename').val();
                if (text === '')
                {
                    text = json.filename;
                }
                var link = '<a href="' + json.filelink + '">' + text + '</a>';
                // chrome fix
                if (this.browser('webkit') && !!this.window.chrome)
                {
                    link = link + ' ';
                }
                this.execCommand('inserthtml', link);
                // file upload callback
                if (typeof this.opts.fileUploadCallback === 'function')
                {
                    this.opts.fileUploadCallback(this, json);
                }
            }
            this.modalClose();
        },
        // MODAL
        modalDeferredInit: function(title, loadUrl, width, callback)
        {
            if (this.deferredModal[loadUrl])
            {
                this.modalInit(title, this.deferredModal[loadUrl], width, callback);
                return;
            }
            if (this.opts.modalLoadCallback)
            {
                this.opts.modalLoadCallback(this, title, loadUrl, width, callback);
            }
            else
            {
                var self = this;
                $.ajax(loadUrl).done(function(html)
                {
                    self.deferredModal[loadUrl] = html;
                    self.modalInit(title, self.deferredModal[loadUrl], width, callback);
                });
            }
        },
        modalInit: function(title, content, width, callback)
        {
            if (typeof content === 'object' && content.url)
            {
                this.modalDeferredInit(title, content.url, width, callback);
                return;
            }
            this.saveSelection();
            if (!this.restoreAndClose)
            {
                this.restoreAndClose = $.proxy(function() {
                    this.restoreSelection();
                    this.modalClose();
                    return false;
                }, this);
            }
            width = Math.min(width, $(window).width());
            // modal overlay
            if ($('#redactor_modal_overlay').size() === 0)
            {
                this.overlay = $('<div id="redactor_modal_overlay" style="display: none;"></div>');
                $('body').append(this.overlay);
            }
            if (this.opts.overlay)
            {
                $('#redactor_modal_overlay').show();
                $('#redactor_modal_overlay').click(this.restoreAndClose);
            }
            if ($('#redactor_modal').size() === 0)
            {
                this.modal = $('<div id="redactor_modal" style="display: none;"><div id="redactor_modal_close">×</div><div id="redactor_modal_header"></div><div id="redactor_modal_inner"></div></div>');
                $('body').append(this.modal);
                if (this.opts.modalCreateCallback)
                {
                    this.modal = this.opts.modalCreateCallback(this, this.modal);
                }
            }
            $('#redactor_modal_close').click(this.restoreAndClose);
            this.hdlModalClose = $.proxy(function(e) {
                if ( e.keyCode === 27) {
                    this.restoreSelection();
                    this.modalClose();
                    return false;
                }
            }, this);
            $(document).keyup(this.hdlModalClose);
            this.$editor.keyup(this.hdlModalClose);
            // set content
            if (content.indexOf('#') == 0)
            {
                $('#redactor_modal_inner').empty().append($(content).html());
            }
            else
            {
                $('#redactor_modal_inner').empty().append(content);
            }
            $('#redactor_modal_header').html(title);
            // draggable
            if (typeof $.fn.draggable !== 'undefined')
            {
                $('#redactor_modal').draggable({ handle: '#redactor_modal_header' });
                $('#redactor_modal_header').css('cursor', 'move');
            }
            // tabs
            if ($('#redactor_tabs').size() !== 0)
            {
                var that = this;
                $('#redactor_tabs a').each(function(i,s)
                {
                    i++;
                    $(s).click(function()
                    {
                        $('#redactor_tabs a').removeClass('redactor_tabs_act');
                        $(this).addClass('redactor_tabs_act');
                        $('.redactor_tab').hide();
                        $('#redactor_tab' + i).show();
                        $('#redactor_tab_selected').val(i);
                        if (that.isMobile() === false)
                        {
                            var height = $('#redactor_modal').outerHeight();
                            $('#redactor_modal').css('margin-top', '-' + (height+10)/2 + 'px');
                        }
                    });
                });
            }
            $('#redactor_modal .redactor_btn_modal_close').click(this.restoreAndClose);
            if (this.isMobile() === false)
            {
                $('#redactor_modal').css({ position: 'fixed', top: '-2000px', left: '50%', width: width + 'px', marginLeft: '-' + width/2 + 'px' }).show();
                this.modalSaveBodyOveflow = $(document.body).css('overflow');
                //$(document.body).css('overflow', 'hidden');
            }
            else
            {
                $('#redactor_modal').css({ position: 'fixed', width: '100%', height: '100%', top: '0', left: '0', margin: '0', minHeight: '300px' }).show();
            }
            // callback
            if (typeof callback === 'function')
            {
                callback();
            }
            /*setTimeout(function() {
                $('#redactor_modal').find('input[type=text], textarea').first().focus();
            }, 50);*/
            if (this.isMobile() === false)
            {
                setTimeout(function()
                {
                    var height = $('#redactor_modal').outerHeight();
                    $('#redactor_modal').css({ top: '50%', height: 'auto', minHeight: 'auto', marginTop: '-' + (height+10)/2 + 'px' });
                }, 20);
            }
        },
        modalClose: function()
        {
            $('#redactor_modal_close').unbind('click', this.restoreAndClose);
            $('#redactor_modal').fadeOut('fast', $.proxy(function()
            {
                $('#redactor_modal_inner').html('');
                if (this.opts.overlay)
                {
                    $('#redactor_modal_overlay').hide();
                    $('#redactor_modal_overlay').unbind('click', this.restoreAndClose);
                }
                $(document).unbind('keyup', this.hdlModalClose);
                this.$editor.unbind('keyup', this.hdlModalClose);
            }, this));
            if (this.isMobile() === false)
            {
                $(document.body).css('overflow', this.modalSaveBodyOveflow ? this.modalSaveBodyOveflow : 'visible');
            }
            this.focus();
            return false;
        },
        setModalTab: function(num)
        {
            $('.redactor_tab').hide();
            var tabs = $('#redactor_tabs a');
            tabs.removeClass('redactor_tabs_act');
            tabs.eq(num-1).addClass('redactor_tabs_act');
            $('#redactor_tab' + num).show();
        },
        // UPLOAD
        uploadInit: function(element, options)
        {
            // Upload Options
            this.uploadOptions = {
                url: false,
                success: false,
                error: false,
                start: false,
                trigger: false,
                auto: false,
                input: false
            };
            $.extend(this.uploadOptions, options);
            // Test input or form
            if ($('#' + element).size() !== 0 && $('#' + element).get(0).tagName === 'INPUT')
            {
                this.uploadOptions.input = $('#' + element);
                this.element = $($('#' + element).get(0).form);
            }
            else
            {
                this.element = $('#' + element);
            }
            this.element_action = this.element.attr('action');
            // Auto or trigger
            if (this.uploadOptions.auto)
            {
                $(this.uploadOptions.input).change($.proxy(function()
                {
                    this.element.submit(function(e) { return false; });
                    this.uploadSubmit();
                }, this));
            }
            else if (this.uploadOptions.trigger)
            {
                $('#' + this.uploadOptions.trigger).click($.proxy(this.uploadSubmit, this));
            }
        },
        uploadSubmit : function()
        {
            this.uploadForm(this.element, this.uploadFrame());
        },
        uploadFrame : function()
        {
            this.id = 'f' + Math.floor(Math.random() * 99999);
            var d = this.document.createElement('div');
            var iframe = '<iframe style="display:none" id="'+this.id+'" name="'+this.id+'"></iframe>';
            d.innerHTML = iframe;
            $(d).appendTo("body");
            // Start
            if (this.uploadOptions.start)
            {
                this.uploadOptions.start();
            }
            $('#' + this.id).load($.proxy(this.uploadLoaded, this));
            return this.id;
        },
        uploadForm : function(f, name)
        {
            if (this.uploadOptions.input)
            {
                var formId = 'redactorUploadForm' + this.id;
                var fileId = 'redactorUploadFile' + this.id;
                this.form = $('<form  action="' + this.uploadOptions.url + '" method="POST" target="' + name + '" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
                // append hidden fields
                if (this.opts.uploadFields !== false && typeof this.opts.uploadFields === 'object')
                {
                    $.each(this.opts.uploadFields, $.proxy(function(k,v)
                    {
                        if (v.toString().indexOf('#') === 0)
                        {
                            v = $(v).val();
                        }
                        var hidden = $('<input/>', {'type': "hidden", 'name': k, 'value': v});
                        $(this.form).append(hidden);
                    }, this));
                }
                var oldElement = this.uploadOptions.input;
                var newElement = $(oldElement).clone();
                $(oldElement).attr('id', fileId);
                $(oldElement).before(newElement);
                $(oldElement).appendTo(this.form);
                $(this.form).css('position', 'absolute');
                $(this.form).css('top', '-2000px');
                $(this.form).css('left', '-2000px');
                $(this.form).appendTo('body');
                this.form.submit();
            }
            else
            {
                f.attr('target', name);
                f.attr('method', 'POST');
                f.attr('enctype', 'multipart/form-data');
                f.attr('action', this.uploadOptions.url);
                this.element.submit();
            }
        },
        uploadLoaded : function()
        {
            var i = $('#' + this.id)[0];
            var d;
            if (i.contentDocument)
            {
                d = i.contentDocument;
            }
            else if (i.contentWindow)
            {
                d = i.contentWindow.document;
            }
            else
            {
                d = window.frames[this.id].document;
            }
            // Success
            if (this.uploadOptions.success)
            {
                if (typeof d !== 'undefined')
                {
                    // Remove bizarre <pre> tag wrappers around our json data:
                    var rawString = d.body.innerHTML;
                    var jsonString = rawString.match(/{(.|n)*}/)[0];
                    var json = $.parseJSON(jsonString);
                    if (typeof json.error == 'undefined')
                    {
                        this.uploadOptions.success(json);
                    }
                    else
                    {
                        this.uploadOptions.error(this, json);
                        this.modalClose();
                    }
                }
                else
                {
                    alert('Upload failed!');
                    this.modalClose();
                }
            }
            this.element.attr('action', this.element_action);
            this.element.attr('target', '');
        },
        // UTILITY
        browser: function(browser)
        {
            var ua = navigator.userAgent.toLowerCase();
            var match = /(chrome)[ /]([w.]+)/.exec(ua)
                || /(webkit)[ /]([w.]+)/.exec(ua)
                || /(opera)(?:.*version|)[ /]([w.]+)/.exec(ua)
                || /(msie) ([w.]+)/.exec(ua)
                || /(trident).*rv:([w.]+)/.exec(ua)
                || (ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([w.]+)|)/.exec(ua))
                || [];
            if (browser == 'version')
            {
                return match[2];
            }
            if (browser == 'webkit')
            {
                return (match[1] == 'chrome' || match[1] == 'webkit');
            }
            if (browser == 'msie')
            {
                return (match[1] == 'msie' || match[1] == 'trident');
            }
            return match[1] == browser;
        },
        oldIE: function()
        {
            if (this.browser('msie') && parseInt(this.browser('version'), 10) < 9)
            {
                return true;
            }
            return false;
        },
        outerHTML: function(s)
        {
            return $("<p>").append($(s).eq(0).clone()).html();
        },
        normalize: function(str)
        {
            return parseInt(str.replace('px',''), 10);
        },
        isMobile: function(ipad)
        {
            if (ipad === true && /(iPhone|iPod|iPad|BlackBerry|Android)/.test(navigator.userAgent))
            {
                return true;
            }
            else if (/(iPhone|iPod|BlackBerry|Android)/.test(navigator.userAgent))
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    };
    // API
    $.fn.getObject = function()
    {
        return this.data('redactor');
    };
    $.fn.getEditor = function()
    {
        return this.data('redactor').$editor;
    };
    $.fn.getCode = function()
    {
        return $.trim(this.data('redactor').getCode());
    };
    $.fn.getText = function()
    {
        return this.data('redactor').$editor.text();
    };
    $.fn.getSelected = function()
    {
        return this.data('redactor').getSelectedHtml();
    };
    $.fn.setCode = function(html, focus)
    {
        this.data('redactor').setCode(html, focus);
    };
    $.fn.insertHtml = function(html)
    {
        this.data('redactor').insertHtml(html);
    };
    $.fn.destroyEditor = function()
    {
        this.each(function()
        {
            if (typeof $(this).data('redactor') != 'undefined')
            {
                $(this).data('redactor').destroy();
                $(this).removeData('redactor');
            }
        });
    };
    $.fn.setFocus = function(selectLast)
    {
        this.data('redactor').focus(selectLast);
    };
    $.fn.execCommand = function(cmd, param)
    {
        this.data('redactor').execCommand(cmd, param);
    };
})(jQuery);
/*
    Plugin Drag and drop Upload v1.0.2
    http://imperavi.com/
    Copyright 2012, Imperavi Inc.
*/
(function($){
    "use strict";
    // Initialization
    $.fn.dragupload = function(options)
    {
        return this.each(function() {
            var obj = new Construct(this, options);
            obj.init();
        });
    };
    // Options and variables
    function Construct(el, options) {
        this.opts = $.extend({
            url: false,
            success: false,
            error: false,
            preview: false,
            uploadFields: false,
            text: RLANG.drop_file_here,
            atext: RLANG.or_choose
        }, options);
        this.$el = $(el);
    }
    // Functionality
    Construct.prototype = {
        init: function()
        {
            if (navigator.userAgent.search("MSIE") === -1)
            {
                this.droparea = $('<div class="redactor_droparea"></div>');
                this.dropareabox = $('<div class="redactor_dropareabox">' + this.opts.text + '</div>');
                this.dropalternative = $('<div class="redactor_dropalternative">' + this.opts.atext + '</div>');
                this.droparea.append(this.dropareabox);
                this.$el.before(this.droparea);
                this.$el.before(this.dropalternative);
                // drag over
                this.dropareabox.bind('dragover', $.proxy(function() { return this.ondrag(); }, this));
                // drag leave
                this.dropareabox.bind('dragleave', $.proxy(function() { return this.ondragleave(); }, this));
                var uploadProgress = $.proxy(function(e)
                {
                    var percent = parseInt(e.loaded / e.total * 100, 10);
                    this.dropareabox.text('Loading ' + percent + '%');
                }, this);
                var xhr = jQuery.ajaxSettings.xhr();
                if (xhr.upload)
                {
                    xhr.upload.addEventListener('progress', uploadProgress, false);
                }
                var provider = function () { return xhr; };
                // drop
                this.dropareabox.get(0).ondrop = $.proxy(function(event)
                {
                    event.preventDefault();
                    this.dropareabox.removeClass('hover').addClass('drop');
                    var file = event.dataTransfer.files[0];
                    var fd = new FormData();
                    // append hidden fields
                    if (this.opts.uploadFields !== false && typeof this.opts.uploadFields === 'object')
                    {
                        $.each(this.opts.uploadFields, $.proxy(function(k,v)
                        {
                            if (v.toString().indexOf('#') === 0)
                            {
                                v = $(v).val();
                            }
                            fd.append(k, v);
                        }, this));
                    }
                    // append file data
                    fd.append('file', file);
                    $.ajax({
                        url: this.opts.url,
                        dataType: 'html',
                        data: fd,
                        xhr: provider,
                        cache: false,
                        contentType: false,
                        processData: false,
                        type: 'POST',
                        success: $.proxy(function(data)
                        {
                            var json = $.parseJSON(data);
                            if (typeof json.error == 'undefined')
                            {
                                this.opts.success(json);
                            }
                            else
                            {
                                this.opts.error(this, json);
                                this.opts.success(false);
                            }
                        }, this)
                    });
                }, this);
            }
        },
        ondrag: function()
        {
            this.dropareabox.addClass('hover');
            return false;
        },
        ondragleave: function()
        {
            this.dropareabox.removeClass('hover');
            return false;
        }
    };
})(jQuery);
// Define: Linkify plugin from stackoverflow
(function($){
    "use strict";
    var protocol = 'http://';
    var url1 = /(^|<|s)(www..+?..+?)(s|>|$|[|])/g,
    url2 = /(^|<|s)(((https?|ftp)://|mailto:).+?)(s|>|$|[|])/g,
        linkifyThis = function ()
        {
            var childNodes = this.childNodes,
            i = childNodes.length;
            while(i--)
            {
                var n = childNodes[i];
                if (n.nodeType === 3)
                {
                    var html = n.nodeValue;
                    if (html)
                    {
                        html = html.replace(/&/g, '&')
                                    .replace(/</g, '<')
                                    .replace(/>/g, '>')
                                    .replace(url1, '$1<a href="' + protocol + '$2">$2</a>$3')
                                    .replace(url2, '$1<a href="$2">$2</a>$5');
                        if (html != n.nodeValue)
                        {
                            $(n).after(html).remove();
                        }
                    }
                }
                else if (n.nodeType === 1  &&  !/^(a|button|textarea)$/i.test(n.tagName))
                {
                    linkifyThis.call(n);
                }
            }
        };
    $.fn.linkify = function ()
    {
        this.each(linkifyThis);
    };
})(jQuery);
/* jQuery plugin textselect
 * version: 0.9
 * author: Josef Moravec
 * updated: Imperavi Inc.
 *
 */
(function ($) {
    $.event.special.textselect =
    {
        setup: function (data, namespaces)
        {
            $(this).data("textselected", false);
            $(this).data("ttt", data);
            $(this).on('mouseup', $.event.special.textselect.handler)
        },
        teardown: function (data)
        {
            $(this).off('mouseup', $.event.special.textselect.handler)
        },
        handler: function (event)
        {
            var data = $(this).data("ttt");
            var text = $.event.special.textselect.getSelectedText(data).toString();
            if (text != '')
            {
                $(this).data("textselected", true);
                event.type = "textselect";
                event.text = text;
                $.event.dispatch.apply(this, arguments)
            }
        },
        getSelectedText: function (data)
        {
            var text = '';
            if (rwindow.getSelection) text = rwindow.getSelection();
            else if (rdocument.getSelection) text = rdocument.getSelection();
            else if (rdocument.selection) text = rdocument.selection.createRange().text;
            return text
        }
    };
    $.event.special.textunselect =
    {
        setup: function (data, namespaces)
        {
            $(this).data("rttt", data);
            $(this).data("textselected", false);
            $(this).on('mouseup', $.event.special.textunselect.handler);
            $(this).on('keyup', $.event.special.textunselect.handlerKey)
        },
        teardown: function (data)
        {
            $(this).unbind('mouseup', $.event.special.textunselect.handler)
        },
        handler: function (event)
        {
            if ($(this).data("textselected"))
            {
                var data = $(this).data("rttt");
                var text = $.event.special.textselect.getSelectedText(data).toString();
                if (text == '')
                {
                    $(this).data("textselected", false);
                    event.type = "textunselect";
                    $.event.dispatch.apply(this, arguments)
                }
            }
        },
        handlerKey: function (event)
        {
            if ($(this).data("textselected"))
            {
                var data = $(this).data("rttt");
                var text = $.event.special.textselect.getSelectedText(data).toString();
                if ((event.keyCode = 27) && (text == ''))
                {
                    $(this).data("textselected", false);
                    event.type = "textunselect";
                    $.event.dispatch.apply(this, arguments)
                }
            }
        }
    }
})(jQuery);