/********************************************************************
 * openWYSIWYG v1.47 Copyright (c) 2006 openWebWare.com 
 * Contact us at devs@openwebware.com
 * This copyright notice MUST stay intact for use.
 *
 * $Id: wysiwyg.js,v 1.20 2007/02/04 13:41:33 xhaggi Exp $
 *
 * An open source WYSIWYG editor for use in web based applications.
 * For full source code and docs, visit http://www.openwebware.com
 *
 * This library is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU Lesser General Public License as published 
 * by the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along 
 * with this library; if not, write to the Free Software Foundation, Inc., 59 
 * Temple Place, Suite 330, Boston, MA 02111-1307 USA  
 ********************************************************************/
var WYSIWYG = {

        /**
         * Settings class, holds all customizeable properties
         */
        Settings: function() {
        
                // Images Directory
                this.ImagesDir = "javascript/openwysiwyg/images/";
                
                // Popups Directory
                this.PopupsDir = "javascript/openwysiwyg/popups/";
                
                // CSS Directory File
                this.CSSFile = "javascript/openwysiwyg/styles/wysiwyg.css";
                
                // Default WYSIWYG width and height (use px or %)
                this.Width = "400px";
                this.Height = "300px";
                
                // Default stylesheet of the WYSIWYG editor window
                this.DefaultStyle = "font-family: Arial; font-size: 12px; background-color: #FFFFFF";
                
                // Stylesheet if editor is disabled
                this.DisabledStyle = "font-family: Arial; font-size: 12px; background-color: #EEEEEE";
                                
                // Width + Height of the preview window
                this.PreviewWidth = 500;
                this.PreviewHeight = 400;
                
                // Confirmation message if you strip any HTML added by word
                this.RemoveFormatConfMessage = "Clean HTML inserted by MS Word ?";
                
                // Nofication if browser is not supported by openWYSIWYG, leave it blank for no message output.
                this.NoValidBrowserMessage = "openWYSIWYG does not support your browser.";
                                
                // Anchor path to strip, leave it blank to ignore
                // or define auto to strip the path where the editor is placed 
                // (only IE)
                this.AnchorPathToStrip = "auto";
                
                // Image path to strip, leave it blank to ignore
                // or define auto to strip the path where the editor is placed 
                // (only IE)
                this.ImagePathToStrip = "auto";
                
                // Enable / Disable the custom context menu
                this.ContextMenu = true;
                
                // Enabled the status bar update. Within the status bar 
                // node tree of the actually selected element will build
                this.StatusBarEnabled = true;
                
                // If enabled than the capability of the IE inserting line breaks will be inverted.
                // Normal: ENTER = <p> , SHIFT + ENTER = <br>
                // Inverted: ENTER = <br>, SHIFT + ENTER = <p>
                this.InvertIELineBreaks = false;
                
                // Replace line breaks with <br> tags
                this.ReplaceLineBreaks = false;
      
                // Page that opened the WYSIWYG (Used for the return command)
                this.Opener = "admin.asp";
                
                // Insert image implementation
                this.ImagePopupFile = "";
                this.ImagePopupWidth = 0;
                this.ImagePopupHeight = 0;
                
                // Holds the available buttons displayed 
                // on the toolbar of the editor
                this.Toolbar = new Array();
                this.Toolbar[0] = new Array(
                        //"font",
                        //"fontsize",
                        //"headings",
                        "bold", 
                        "italic", 
                        "underline", 
                        "strikethrough",
                        "seperator", 
                        //"forecolor",
                        //"backcolor",
                        "seperator", 
                        "justifyleft", 
                        "justifycenter", 
                        "justifyright", 
                        "seperator", 
                        "unorderedlist", 
                        "orderedlist",
                        "outdent", 
                        "indent"
                );
                this.Toolbar[1] = new Array(
                        "save",
                        // "return",  // return button disabled by default
                        "seperator", 
                        "subscript", 
                        "superscript", 
                        "seperator", 
                        "cut", 
                        "copy", 
                        "paste",
                        "removeformat",
                        "seperator", 
                        "undo", 
                        "redo", 
                        "seperator", 
                        "inserttable", 
                        "insertimage", 
                        "createlink", 
                        "seperator",  
                        "preview", 
                        "print",
                        "seperator", 
                        "viewSource", 
                        "seperator", 
                        "help"
                );
                
                // DropDowns
                this.DropDowns = new Array();
                // Fonts
                this.DropDowns['font'] = {
                        id: "fonts",
                        command: "FontName",
                        label: "<font style=\"font-family:{value};font-size:12px;\">{value}</font>",
                        width: "90px",
                        elements: new Array(
                                "Arial", 
                                "Sans Serif", 
                                "Tahoma", 
                                "Verdana", 
                                "Courier New", 
                                "Georgia", 
                                "Times New Roman", 
                                "Impact", 
                                "Comic Sans MS"
                        )
                };
                // Font sizes
                this.DropDowns['fontsize'] = {        
                        id: "fontsizes",
                        command: "FontSize",
                        label: "<font size=\"{value}\">Size {value}</font>",
                        width: "54px",
                        elements: new Array(
                                "1", 
                                "2", 
                                "3", 
                                "4", 
                                "5", 
                                "6", 
                                "7"
                        )
                };
                // Headings
                this.DropDowns['headings'] = {        
                        id: "headings",
                        command: "FormatBlock",
                        label: "<{value} style=\"margin:0px;text-decoration:none;font-family:Arial\">{value}</{value}>",
                        width: "74px",
                        elements: new Array(
                                "H1",
                                "H2", 
                                "H3",
                                "H4",
                                "H5",
                                "H6"
                        )
                };
                                
                // Add the given element to the defined toolbar
                // on the defined position
                this.addToolbarElement = function(element, toolbar, position) {
                        if(element != "seperator") {this.removeToolbarElement(element);}
                        if(this.Toolbar[toolbar-1] == null) {
                                this.Toolbar[toolbar-1] = new Array();
                        }
                        this.Toolbar[toolbar-1].splice(position+1, 1, element);                        
                };
                
                // Remove an element from the toolbar
                this.removeToolbarElement = function(element) {
                        if(element == "seperator") {return;} // do not remove seperators
                        for(var i=0;i<this.Toolbar.length;i++) {
                                if(this.Toolbar[i]) {
                                        var toolbar = this.Toolbar[i];
                                        for(var j=0;j<toolbar.length;j++) {
                                                if(toolbar[j] != null && toolbar[j] == element) {
                                                        this.Toolbar[i].splice(j,1);
                                                }
                                        }
                                }
                        }
                };
                
                // clear all or a given toolbar
                this.clearToolbar = function(toolbar) {
                        if(typeof toolbar == "undefined") {
                                this.Toolbar = new Array();
                        }
                        else {
                                this.Toolbar[toolbar+1] = new Array();
                        }
                };
                
        },
        
                
        /* ---------------------------------------------------------------------- *\
                !! Do not change something below or you know what you are doning !!
        \* ---------------------------------------------------------------------- */        

        // List of available block formats (not in use)
        //BlockFormats: new Array("Address", "Bulleted List", "Definition", "Definition Term", "Directory List", "Formatted", "Heading 1", "Heading 2", "Heading 3", "Heading 4", "Heading 5", "Heading 6", "Menu List", "Normal", "Numbered List"),

        // List of available actions and their respective ID and images
        ToolbarList: {
        //Name              buttonID               buttonTitle                   buttonImage               buttonImageRollover
        "bold":           ['Bold',                 'Bold',                       'bold.gif',               'bold_on.gif'],
        "italic":         ['Italic',               'Italic',                     'italics.gif',            'italics_on.gif'],
        "underline":      ['Underline',            'Underline',                  'underline.gif',          'underline_on.gif'],
        "strikethrough":  ['Strikethrough',        'Strikethrough',              'strikethrough.gif',      'strikethrough_on.gif'],
        "seperator":      ['',                     '',                           'seperator.gif',          'seperator.gif'],
        "subscript":      ['Subscript',            'Subscript',                  'subscript.gif',          'subscript_on.gif'],
        "superscript":    ['Superscript',          'Superscript',                'superscript.gif',        'superscript_on.gif'],
        "justifyleft":    ['Justifyleft',          'Justifyleft',                'justify_left.gif',       'justify_left_on.gif'],
        "justifycenter":  ['Justifycenter',        'Justifycenter',              'justify_center.gif',     'justify_center_on.gif'],
        "justifyright":   ['Justifyright',         'Justifyright',               'justify_right.gif',      'justify_right_on.gif'],
        "unorderedlist":  ['InsertUnorderedList',  'Insert Unordered List',        'list_unordered.gif',     'list_unordered_on.gif'],
        "orderedlist":    ['InsertOrderedList',    'Insert Ordered List',          'list_ordered.gif',       'list_ordered_on.gif'],
        "outdent":        ['Outdent',              'Outdent',                    'indent_left.gif',        'indent_left_on.gif'],
        "indent":         ['Indent',               'Indent',                     'indent_right.gif',       'indent_right_on.gif'],
        "cut":            ['Cut',                  'Cut',                        'cut.gif',                'cut_on.gif'],
        "copy":           ['Copy',                 'Copy',                       'copy.gif',               'copy_on.gif'],
        "paste":          ['Paste',                'Paste',                      'paste.gif',              'paste_on.gif'],
        "forecolor":      ['ForeColor',            'Fore Color',                  'forecolor.gif',          'forecolor_on.gif'],
        "backcolor":      ['BackColor',            'Back Color',                  'backcolor.gif',          'backcolor_on.gif'],
        "undo":           ['Undo',                 'Undo',                       'undo.gif',               'undo_on.gif'],
        "redo":           ['Redo',                 'Redo',                       'redo.gif',               'redo_on.gif'],
        "inserttable":    ['InsertTable',          'Insert Table',                'insert_table.gif',       'insert_table_on.gif'],
        "insertimage":    ['InsertImage',          'Insert Image',                'insert_picture.gif',     'insert_picture_on.gif'],
        "createlink":     ['CreateLink',           'Create Link',                 'insert_hyperlink.gif',   'insert_hyperlink_on.gif'],
        "viewSource":     ['ViewSource',           'View Source',                 'view_source.gif',        'view_source_on.gif'],
        "viewText":       ['ViewText',             'View Text',                   'view_text.gif',          'view_text_on.gif'],
        "help":           ['Help',                 'Help',                       'help.gif',               'help_on.gif'],
        "fonts":               ['Fonts',                      'Select Font',                'select_font.gif',        'select_font_on.gif'],
        "fontsizes":      ['Fontsizes',            'Select Size',                'select_size.gif',        'select_size_on.gif'],
        "headings":       ['Headings',             'Select Size',                'select_heading.gif',     'select_heading_on.gif'],
        "preview":                  ['Preview',                            'Preview',                        'preview.gif',                          'preview_on.gif'],
        "print":                  ['Print',                            'Print',                                 'print.gif',                          'print_on.gif'],
        "removeformat":   ['RemoveFormat',         'Strip Word HTML',            'remove_format.gif',      'remove_format_on.gif'],
        "delete":         ['Delete',               'Delete',                     'delete.gif',                       'delete_on.gif'],
        "save":                   ['Save',                                    'Save document',         'save.gif',                           'save_on.gif'],
        "return":                   ['Return',                            'Return without saving', 'return.gif',                           'return_on.gif']
        },
        
        // stores the different settings for each textarea
        // the textarea identifier is used to store the settings object
        config: new Array(),
        // Create viewTextMode global variable and set to 0
        // enabling all toolbar commands while in HTML mode
        viewTextMode: new Array(),        
        
        /**
         * Get the range of the given selection
         *
         * @param {Selection} sel Selection object
         * @return {Range} Range object
         */
        getRange: function(sel) {
                return sel.createRange ? sel.createRange() : sel.getRangeAt(0);
        },
        
        /**
         * Get the iframe object of the WYSIWYG editor
         * 
         * @param {String} n Editor identifier 
         * @return {HtmlIframeObject} Iframe object
         */
        getEditor: function(n) {
                return $("wysiwyg" + n);
        },
        
        /**
         * Get editors window element
         *
         * @param {String} n Editor identifier 
         * @return {Object} Html window object
         */
        getEditorWindow: function(n) {
                return this.getEditor(n).contentWindow;
        },
        
        /**
         * Attach the WYSIWYG editor to the given textarea element
         *
         * @param {String} id Textarea identifier (all = all textareas)
         * @param {Settings} settings the settings which will be applied to the textarea
         */
        attach: function(id, settings) {        
                if(id != "all") {        
                        this.setSettings(id, settings);
                        WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
                        WYSIWYG_Core.addEvent(window, "load", function generateEditor() {WYSIWYG._generate(id, settings);});
                }
                else {
                        WYSIWYG_Core.addEvent(window, "load", function generateEditor() {WYSIWYG.attachAll(settings);});
                }
        },
        
        /**
         * Attach the WYSIWYG editor to all textarea elements
         *
         * @param {Settings} settings Settings to customize the look and feel
         */
        attachAll: function(settings) {
                var areas = document.getElementsByTagName("textarea");
                for(var i=0;i<areas.length;i++) {
                        var id = areas[i].getAttribute("id");
                        if(id == null || id == "") continue;
                        this.setSettings(id, settings);
                        WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
                        WYSIWYG._generate(id, settings);
                }
        },
        
        /**
         * Display an iframe instead of the textarea. 
         * It's used as textarea replacement to display HTML.
         *
         * @param id Textarea identifier (all = all textareas)
         * @param settings the settings which will be applied to the textarea
         */
        display: function(id, settings) {        
                if(id != "all") {        
                        this.setSettings(id, settings);
                        WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
                        WYSIWYG_Core.addEvent(window, "load", function displayIframe() {WYSIWYG._display(id, settings);});
                }
                else {
                        WYSIWYG_Core.addEvent(window, "load", function displayIframe() {WYSIWYG.displayAll(settings);});
                }
        },
        
        /**
         * Display an iframe instead of the textarea. 
         * It's apply the iframe to all textareas found in the current document.
         *
         * @param settings Settings to customize the look and feel
         */
        displayAll: function(settings) {
                var areas = document.getElementsByTagName("textarea");
                for(var i=0;i<areas.length;i++) {
                        var id = areas[i].getAttribute("id");
                        if(id == null || id == "") continue;
                        this.setSettings(id, settings);
                        WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
                        WYSIWYG._display(id, settings);
                }
        },
                
        /**
         * Set settings in config array, use the textarea id as identifier
         * 
         * @param n Textarea identifier (all = all textareas)
         * @param settings the settings which will be applied to the textarea
         */
        setSettings: function(n, settings) {
                if(typeof(settings) != "object") {
                        this.config[n] = new this.Settings();
                }
                else {
                        this.config[n] = settings;
                }
        },
        
        /**
         * Insert or modify an image
         * 
         * @param {String} src Source of the image
         * @param {Integer} width Width
         * @param {Integer} height Height
         * @param {String} align Alignment of the image
         * @param {String} border Border size
         * @param {String} alt Alternativ Text
         * @param {Integer} hspace Horizontal Space
         * @param {Integer} vspace Vertical Space
         * @param {String} n The editor identifier (the textarea's ID)
         */
        insertImage: function(src, width, height, align, border, alt, hspace, vspace, n) {
        
                // get editor
                var doc = this.getEditorWindow(n).document;
                // get selection and range
                var sel = this.getSelection(n);
                var range = this.getRange(sel);
                
                // the current tag of range
                var img = this.findParent("img", range);
                
                // element is not a link
                var update = (img == null) ? false : true;
                if(!update) {
                        img = doc.createElement("img");
                }
                
                // set the attributes
                WYSIWYG_Core.setAttribute(img, "src", src);
                WYSIWYG_Core.setAttribute(img, "style", "width:" + width + ";height:" + height);
                if(align != "") { WYSIWYG_Core.setAttribute(img, "align", align); } else { img.removeAttribute("align"); }
                WYSIWYG_Core.setAttribute(img, "border", border);
                WYSIWYG_Core.setAttribute(img, "alt", alt);
                WYSIWYG_Core.setAttribute(img, "hspace", hspace);
                WYSIWYG_Core.setAttribute(img, "vspace", vspace);
                img.removeAttribute("width");
                img.removeAttribute("height");
                
                // on update exit here
                if(update) { return; }   
                
                // Check if IE or Mozilla (other)
                if (WYSIWYG_Core.isMSIE) {
                        range.pasteHTML(img.outerHTML);   
                }
                else {
                        this.insertNodeAtSelection(img, n);
                }
        },
        
        /**
         * Insert or modify a link
         * 
         * @param {String} href The url of the link
         * @param {String} target Target of the link
         * @param {String} style Stylesheet of the link
         * @param {String} styleClass Stylesheet class of the link
         * @param {String} name Name attribute of the link
         * @param {String} n The editor identifier (the textarea's ID)
         */
        insertLink: function(href, target, style, styleClass, name, n) {
        
                // get editor
                var doc = this.getEditorWindow(n).document;
                // get selection and range
                var sel = this.getSelection(n);
                var range = this.getRange(sel);
                var lin = null;
                
                // get element from selection
                if(WYSIWYG_Core.isMSIE) {
                        if(sel.type == "Control" && range.length == 1) {        
                                range = this.getTextRange(range(0));
                                range.select();
                        }
                }

                // find a as parent element
                lin = this.findParent("a", range);
                                
                // check if parent is found
                var update = (lin == null) ? false : true;
                if(!update) {
                        lin = doc.createElement("a");
                }
                
                // set the attributes
                WYSIWYG_Core.setAttribute(lin, "href", href);
                WYSIWYG_Core.setAttribute(lin, "class", styleClass);
                WYSIWYG_Core.setAttribute(lin, "className", styleClass);
                WYSIWYG_Core.setAttribute(lin, "target", target);
                WYSIWYG_Core.setAttribute(lin, "name", name);
                WYSIWYG_Core.setAttribute(lin, "style", style);
                
                // on update exit here
                if(update) { return; }
        
                // Check if IE or Mozilla (other)
                if (WYSIWYG_Core.isMSIE) {        
                        range.select();
                        lin.innerHTML = range.htmlText;
                        range.pasteHTML(lin.outerHTML);   
                } 
                else {                        
                        var node = range.startContainer;        
                        var pos = range.startOffset;
                        if(node.nodeType != 3) { node = node.childNodes[pos]; }
                        if(node.tagName)
                                lin.appendChild(node);
                        else
                                lin.innerHTML = sel;
                        this.insertNodeAtSelection(lin, n);
                }
        },
        
        /**
         * Strips any HTML added by word
         *
     * @param {String} n The editor identifier (the textarea's ID)
         */
        removeFormat: function(n) {
                
                if ( !confirm(this.config[n].RemoveFormatConfMessage) ) { return; }
                var doc = this.getEditorWindow(n).document;
                var str = doc.body.innerHTML;
                
                str = str.replace(/<span([^>])*>(&nbsp;)*\s*<\/span>/gi, '');
            str = str.replace(/<span[^>]*>/gi, '');
            str = str.replace(/<\/span[^>]*>/gi, '');
            str = str.replace(/<p([^>])*>(&nbsp;)*\s*<\/p>/gi, '');
            str = str.replace(/<p[^>]*>/gi, '');
            str = str.replace(/<\/p[^>]*>/gi, '');
            str = str.replace(/<h([^>])[0-9]>(&nbsp;)*\s*<\/h>/gi, '');
            str = str.replace(/<h[^>][0-9]>/gi, '');
            str = str.replace(/<\/h[^>][0-9]>/gi, ''); 
                str = str.replace (/<B [^>]*>/ig, '<b>');
                
                // var repl_i1 = /<I[^>]*>/ig;
                // str = str.replace (repl_i1, '<i>');
                
                str = str.replace (/<DIV[^>]*>/ig, '');
                str = str.replace (/<\/DIV>/gi, '');
                str = str.replace (/<[\/\w?]+:[^>]*>/ig, '');
                str = str.replace (/(&nbsp;){2,}/ig, '&nbsp;');
                str = str.replace (/<STRONG>/ig, '');
                str = str.replace (/<\/STRONG>/ig, '');
                str = str.replace (/<TT>/ig, '');
                str = str.replace (/<\/TT>/ig, '');
                str = str.replace (/<FONT [^>]*>/ig, '');
                str = str.replace (/<\/FONT>/ig, '');
                str = str.replace (/STYLE=\"[^\"]*\"/ig, '');
                str = str.replace(/<([\w]+) class=([^ |>]*)([^>]*)/gi, '<$1$3');
              str = str.replace(/<([\w]+) style="([^"]*)"([^>]*)/gi, '<$1$3'); 
                str = str.replace(/width=([^ |>]*)([^>]*)/gi, '');
            str = str.replace(/classname=([^ |>]*)([^>]*)/gi, '');
            str = str.replace(/align=([^ |>]*)([^>]*)/gi, '');
            str = str.replace(/valign=([^ |>]*)([^>]*)/gi, '');
            str = str.replace(/<\\?\??xml[^>]>/gi, '');
            str = str.replace(/<\/?\w+:[^>]*>/gi, '');
            str = str.replace(/<st1:.*?>/gi, '');
            str = str.replace(/o:/gi, ''); 
            
            str = str.replace(/<!--([^>])*>(&nbsp;)*\s*<\/-->/gi, '');
                   str = str.replace(/<!--[^>]*>/gi, '');
                   str = str.replace(/<\/--[^>]*>/gi, '');
                
                doc.body.innerHTML = str;
        },
        
        /**
         * Display an iframe instead of the textarea.
         * 
         * @private
         * @param {String} n The editor identifier (the textarea's ID)
         * @param {Object} settings Object which holds the settings
         */
        _display: function(n, settings) {
                        
                // Get the textarea element
                var textarea = $(n);
                
                // Validate if textarea exists
                if(textarea == null) {
                        alert("No textarea found with the given identifier (ID: " + n + ").");
                        return;
                }
                
                // Validate browser compatiblity
                if(!WYSIWYG_Core.isBrowserCompatible()) {
                        if(this.config[n].NoValidBrowserMessage != "") { alert(this.config[n].NoValidBrowserMessage); }
                        return;
                }
                
            // Load settings in config array, use the textarea id as identifier
                if(typeof(settings) != "object") {
                        this.config[n] = new this.Settings();
                }
                else {
                        this.config[n] = settings;
                }
                
                // Hide the textarea 
                textarea.style.display = "none";
                
                // Override the width and height of the editor with the 
                // size given by the style attributes width and height
                if(textarea.style.width) {
                        this.config[n].Width = textarea.style.width;
                }
                if(textarea.style.height) {
                        this.config[n].Height = textarea.style.height
                } 
                        
            // determine the width + height
                var currentWidth = this.config[n].Width;
                var currentHeight = this.config[n].Height;
         
                // Calculate the width + height of the editor 
                var ifrmWidth = "100%";
                var        ifrmHeight = "100%";
                if(currentWidth.search(/%/) == -1) {
                        ifrmWidth = currentWidth;
                        ifrmHeight = currentHeight;
                }
                                
                // Create iframe which will be used for rich text editing
                var iframe = '<table cellpadding="0" cellspacing="0" border="0" style="width:' + currentWidth + '; height:' + currentHeight + ';" class="tableTextareaEditor"><tr><td valign="top">\n'
            + '<iframe frameborder="0" id="wysiwyg' + n + '" class="iframeText" style="width:' + ifrmWidth + ';height:' + ifrmHeight + ';"></iframe>\n'
            + '</td></tr></table>\n';
        
            // Insert after the textArea both toolbar one and two
                textarea.insertAdjacentHTML("afterEnd", iframe);
                                                
                // Pass the textarea's existing text over to the content variable
            var content = textarea.value;
                var doc = this.getEditorWindow(n).document;
                
                // Replace all \n with <br> 
                if(this.config[n].ReplaceLineBreaks) {
                        content = content.replace(/(\r\n)|(\n)/ig, "<br>");
                }
                        
                // Write the textarea's content into the iframe
            doc.open();
            doc.write(content);
            doc.close();
            
            // Set default style of the editor window
                WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);
        },
        
        /**
         * Replace the given textarea with wysiwyg editor
         * 
         * @private
         * @param {String} n The editor identifier (the textarea's ID)
         * @param {Object} settings Object which holds the settings
         */
        _generate: function(n, settings) {
                                    
                // Get the textarea element
                var textarea = $(n);
                // Validate if textarea exists
                if(textarea == null) {
                        alert("No textarea found with the given identifier (ID: " + n + ").");
                        return;
                }            
                
                // Validate browser compatiblity
                if(!WYSIWYG_Core.isBrowserCompatible()) {
                        if(this.config[n].NoValidBrowserMessage != "") { alert(this.config[n].NoValidBrowserMessage); }
                        return;
                }
                                                                
                // Hide the textarea 
                textarea.style.display = 'none'; 
                
                // Override the width and height of the editor with the 
                // size given by the style attributes width and height
                if(textarea.style.width) {
                        this.config[n].Width = textarea.style.width;
                }
                if(textarea.style.height) {
                        this.config[n].Height = textarea.style.height
                }
                        
            // determine the width + height
                var currentWidth = this.config[n].Width;
                var currentHeight = this.config[n].Height;
         
                // Calculate the width + height of the editor 
                var toolbarWidth = currentWidth;
                var ifrmWidth = "100%";
                var        ifrmHeight = "100%";
                if(currentWidth.search(/%/) == -1) {
                        toolbarWidth = currentWidth.replace(/px/gi, "");
                        toolbarWidth = (parseFloat(toolbarWidth) + 2) + "px";
                        ifrmWidth = currentWidth;
                        ifrmHeight = currentHeight;
                }
                
            // Generate the WYSIWYG Table
            // This table holds the toolbars and the iframe as the editor
            var editor = "";
            editor += '<table border="0" cellpadding="0" cellspacing="0" class="tableTextareaEditor" id="wysiwyg_table_' + n + '" style="width:' + currentWidth  + '; height:' + currentHeight + ';">';
            editor += '<tr><td>';
                      
                // Output all command buttons that belong to toolbar one
                for (var j = 0; j < this.config[n].Toolbar.length;j++) { 
                        if(this.config[n].Toolbar[j] && this.config[n].Toolbar[j].length > 0) {
                                var toolbar = this.config[n].Toolbar[j];
                                
                                // Generate WYSIWYG toolbar one
                            editor += '<table border="0" cellpadding="0" cellspacing="0" class="toolbar1" style="width:100%;" id="toolbar' + j + '_' + n + '">';
                            editor += '<tr><td style="width: 6px;"><img src="' + this.config[n].ImagesDir + 'seperator2.gif" alt="" hspace="3"></td>';
                                
                                // Interate over the toolbar element
                                for (var i = 0; i < toolbar.length;i++) { 
                                        var id = toolbar[i];
                                    if (toolbar[i]) {
                                            if(typeof (this.config[n].DropDowns[id]) != "undefined") {
                                                    var dropdown = this.config[n].DropDowns[id];
                                                    editor += '<td style="width: ' + dropdown.width + ';">';
                                                    // write the drop down content
                                                    editor += this.writeDropDown(n, id);
                                                    editor += '</td>';
                                            }
                                            else {
                                                            
                                                    // Get the values of the Button from the global ToolbarList object
                                                        var buttonObj = this.ToolbarList[toolbar[i]];
                                                        if(buttonObj) {
                                                                var buttonID = buttonObj[0];
                                                                var buttonTitle = buttonObj[1];
                                                                var buttonImage = this.config[n].ImagesDir + buttonObj[2];
                                                                var buttonImageRollover  = this.config[n].ImagesDir + buttonObj[3];
                                                                    
                                                                if (toolbar[i] == "seperator") {
                                                                        editor += '<td style="width: 12px;" align="center">';
                                                                        editor += '<img src="' + buttonImage + '" border=0 unselectable="on" width="2" height="18" hspace="2" unselectable="on">';
                                                                        editor += '</td>';
                                                                }
                                                                // View Source button
                                                                else if (toolbar[i] == "viewSource"){
                                                                    editor += '<td style="width: 22px;">';
                                                                        editor += '<span id="HTMLMode' + n + '"><img src="' + buttonImage +  '" border="0" unselectable="on" title="' + buttonTitle + '" id="' + buttonID + '" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + buttonImageRollover + '\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + buttonImage + '\';" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + buttonID + '\');" unselectable="on" width="20" height="20"></span>';
                                                                        editor += '<span id="textMode' + n + '"><img src="' + this.config[n].ImagesDir + 'view_text.gif" border="0" unselectable="on" title="viewText" id="ViewText" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + this.config[n].ImagesDir + 'view_text_on.gif\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + this.config[n].ImagesDir + 'view_text.gif\';" onclick="WYSIWYG.execCommand(\'' + n + '\',\'ViewText\');" unselectable="on"  width="20" height="20"></span>';
                                                                editor += '</td>';
                                                        }
                                                                else {
                                                                        editor += '<td style="width: 22px;">';
                                                                        editor += '<img src="' + buttonImage + '" border=0 unselectable="on" title="' + buttonTitle + '" id="' + buttonID + '" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + buttonImageRollover + '\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + buttonImage + '\';" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + buttonID + '\');" unselectable="on" width="20" height="20">';
                                                                        editor += '</td>';
                                                                }
                                                        }
                                                }
                                          }
                                  }
                                  editor += '<td>&nbsp;</td></tr></table>';
                        }
                }
                
                 editor += '</td></tr><tr><td valign="top">\n';
                // Create iframe which will be used for rich text editing
                editor += '<iframe frameborder="0" id="wysiwyg' + n + '" class="iframeText" style="width:100%;height:' + currentHeight + ';"></iframe>\n'
            + '</td></tr>';
            // Status bar HTML code
            if(this.config[n].StatusBarEnabled) {
                    editor += '<tr><td class="wysiwyg-statusbar" style="height:10px;" id="wysiwyg_statusbar_' + n + '">&nbsp;</td></tr>';    
                }
            editor += '</table>\n';
            
            // Insert the editor after the textarea            
            textarea.insertAdjacentHTML("afterEnd", editor);
                                                    
                // Hide the "Text Mode" button
                // Validate if textMode Elements are prensent
                if($("textMode" + n)) {
                        $("textMode" + n).style.display = 'none'; 
                }
                                                
                // Pass the textarea's existing text over to the content variable
            var content = textarea.value;
                var doc = this.getEditorWindow(n).document;                
                

                // Replace all \n with <br> 
                if(this.config[n].ReplaceLineBreaks) {
                        content = content.replace(/\n\r|\n/ig, "<br>");
                }
                                
                // Write the textarea's content into the iframe
            doc.open();
            doc.write(content);
            doc.close();
                            
                // Make the iframe editable in both Mozilla and IE
                // Improve compatiblity for IE + Mozilla
                if (doc.body.contentEditable) {
                        doc.body.contentEditable = true;
                }
                else {
                        doc.designMode = "on";        
                }
        
                // Set default font style
                WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);
                
                // Enable table highlighting
                WYSIWYG_Table.refreshHighlighting(n);
            
            // Event Handling
            // Update the textarea with content in WYSIWYG when user submits form
            for (var idx=0; idx < document.forms.length; idx++) {
                    WYSIWYG_Core.addEvent(document.forms[idx], "submit", function xxx_aa() { WYSIWYG.updateTextArea(n); });
            }
            
            // close font selection if mouse moves over the editor window
            WYSIWYG_Core.addEvent(doc, "mouseover", function xxx_bb() { WYSIWYG.closeDropDowns(n);});
            
            // If it's true invert the line break capability of IE
                if(this.config[n].InvertIELineBreaks) {
                        WYSIWYG_Core.addEvent(doc, "keypress", function xxx_cc() { WYSIWYG.invertIELineBreakCapability(n); });
                }
                                        
                // status bar update
                if(this.config[n].StatusBarEnabled) {
                        WYSIWYG_Core.addEvent(doc, "mouseup", function xxx_dd() { WYSIWYG.updateStatusBar(n); });
                }
                        
            // custom context menu
                if(this.config[n].ContextMenu) {        
                        WYSIWYG_ContextMenu.init(n);                
                }
                                                                
                // init viewTextMode var
            this.viewTextMode[n] = false;                        
        },
        
        /**
         * Disable the given WYSIWYG Editor Box
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */ 
        disable: function(n) {
                
                // get the editor window
                var editor = this.getEditorWindow(n);
        
                // Validate if editor exists
                if(editor == null) {
                        alert("No editor found with the given identifier (ID: " + n + ").");
                        return;
                }
                
                if(editor) {
                        // disable design mode or content editable feature
                        if(editor.document.body.contentEditable) {
                                editor.document.body.contentEditable = false;
                        }
                        else {
                                editor.document.designMode = "Off";                
                        }
                                
                        // change the style of the body
                        WYSIWYG_Core.setAttribute(editor.document.body, "style", this.config[n].DisabledStyle);
                        
                        // hide the status bar
                        this.hideStatusBar(n);
                                                        
                        // hide all toolbars
                        this.hideToolbars(n);
                }
        },
        
        /**
         * Enables the given WYSIWYG Editor Box
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */
        enable: function(n) {
                        
                // get the editor window
                var editor = this.getEditorWindow(n);
        
                // Validate if editor exists
                if(editor == null) {
                        alert("No editor found with the given identifier (ID: " + n + ").");
                        return;
                }
                
                if(editor) {
                        // disable design mode or content editable feature
                        if(editor.document.body.contentEditable){
                                editor.document.body.contentEditable = true;
                        }
                        else {
                                editor.document.designMode = "On";                
                        }
                                
                        // change the style of the body
                        WYSIWYG_Core.setAttribute(editor.document.body, "style", this.config[n].DefaultStyle);
                        
                        // hide the status bar
                        this.showStatusBar(n);
                                                        
                        // hide all toolbars
                        this.showToolbars(n);
                }
        },
        
        /**
         * Returns the node structure of the current selection as array
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */
        getNodeTree: function(n) {
                
                var sel = this.getSelection(n);
                var range = this.getRange(sel);        
                        
                // get element of range
                var tag = this.getTag(range);
                if(tag == null) { return; }
                // get parent of element
                var node = this.getParent(tag);
                // init the tree as array with the current selected element
                var nodeTree = new Array(tag);
                // get all parent nodes
                var ii = 1;
                
                while(node != null && node.nodeName != "#document") {
                        nodeTree[ii] = node;
                        node = this.getParent(node);                        
                        ii++;
                }
                
                return nodeTree;
        },
        
        /**
         * Removes the current node of the selection
         *
         * @param {String} n The editor identifier (the textarea's ID)
         */
        removeNode: function(n) {
                // get selection and range
                var sel = this.getSelection(n);
                var range = this.getRange(sel);
                // the current tag of range
                var tag = this.getTag(range);
                var parent = tag.parentNode;
                if(tag == null || parent == null) { return; }
                if(tag.nodeName == "HTML" || tag.nodeName == "BODY") { return; }

                // copy child elements of the node to the parent element before remove the node
                var childNodes = new Array();
                for(var i=0; i < tag.childNodes.length;i++)
                        childNodes[i] = tag.childNodes[i];        
                for(var i=0; i < childNodes.length;i++)
                        parent.insertBefore(childNodes[i], tag);        
                
                // remove node
                parent.removeChild(tag);
                // validate if parent is a link and the node is only 
                // surrounded by the link, then remove the link too
                if(parent.nodeName == "A" && !parent.hasChildNodes()) {
                        if(parent.parentNode) { parent.parentNode.removeChild(parent); }
                }
                // update the status bar
                this.updateStatusBar(n);
        },
        
        /**
         * Get the selection of the given editor
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */
        getSelection: function(n) {
                var ifrm = this.getEditorWindow(n);
                var doc = ifrm.document;
                var sel = null;
                if(ifrm.getSelection){
                        sel = ifrm.getSelection();
                }
                else if (doc.getSelection) {
                        sel = doc.getSelection();
                }
                else if (doc.selection) {
                        sel = doc.selection;
                }
                return sel;
        },
        
        /**
         * Updates the status bar with the current node tree
         *
         * @param {String} n The editor identifier (the textarea's ID)
         */
        updateStatusBar: function(n) {
                
                // get the node structure
                var nodeTree = this.getNodeTree(n);
                if(nodeTree == null) { return; }
                // format the output
                var outputTree = "";
                var max = nodeTree.length - 1;
                for(var i=max;i>=0;i--) {
                        if(nodeTree[i].nodeName != "HTML" && nodeTree[i].nodeName != "BODY") {
                                outputTree += '<a class="wysiwyg-statusbar" href="javascript:WYSIWYG.selectNode(\'' + n + '\',' + i + ');">' + nodeTree[i].nodeName + '</a>';        
                        }
                        else {
                                outputTree += nodeTree[i].nodeName;
                        }
                        if(i > 0) { outputTree += " > "; }
                }
                        
                // update the status bar         
                var statusbar = $("wysiwyg_statusbar_" + n);
                if(statusbar){ 
                        statusbar.innerHTML = outputTree; 
                }
        },
        
        /**
         * Execute a command on the editor document
         * 
         * @param {String} command The execCommand (e.g. Bold)
         * @param {String} n The editor identifier
         * @param {String} value The value when applicable
         */
        execCommand: function(n, cmd, value) {
                                
                // When user clicks toolbar button make sure it always targets its respective WYSIWYG
                this.getEditorWindow(n).focus();
                
                // When in Text Mode these execCommands are enabled
                var textModeCommands = new Array("ViewText", "Print");
          
                  // Check if in Text mode and a disabled command execute
                var cmdValid = false;
                for (var i = 0; i < textModeCommands.length; i++) {
                        if (textModeCommands[i] == cmd) {
                                cmdValid = true;
                        }
                }
                if(this.viewTextMode[n] && !cmdValid) {
                        alert("You are in TEXT Mode. This feature has been disabled.");
                          return;
                } 
                
                // rbg to hex convertion implementation dependents on browser
                var toHexColor = WYSIWYG_Core.isMSIE ? WYSIWYG_Core._dec_to_rgb : WYSIWYG_Core.toHexColor;
                
                // popup screen positions
                var popupPosition = {left: parseInt(window.screen.availWidth / 3), top: parseInt(window.screen.availHeight / 3)};                
                
                // Check the insert image popup implementation
                var imagePopupFile = this.config[n].PopupsDir + 'insert_image.html';
                var imagePopupWidth = 400;
                var imagePopupHeight = 210;
                if(typeof this.config[n].ImagePopupFile != "undefined" && this.config[n].ImagePopupFile != "") {
                        imagePopupFile = this.config[n].ImagePopupFile;
                }
                if(typeof this.config[n].ImagePopupWidth && this.config[n].ImagePopupWidth > 0) {
                        imagePopupWidth = this.config[n].ImagePopupWidth;
                }
                if(typeof this.config[n].ImagePopupHeight && this.config[n].ImagePopupHeight > 0) {
                        imagePopupHeight = this.config[n].ImagePopupHeight;
                }
                
                // switch which action have to do
                switch(cmd) {
                        case "FormatBlock":
                                WYSIWYG_Core.execCommand(n, cmd, "<" + value + ">");
                        break;
                        // ForeColor and 
                        case "ForeColor":
                                var rgb = this.getEditorWindow(n).document.queryCommandValue(cmd);
                              var currentColor = rgb != '' ? toHexColor(this.getEditorWindow(n).document.queryCommandValue(cmd)) : "000000";
                                  window.open(this.config[n].PopupsDir + 'select_color.html?color=' + currentColor + '&command=' + cmd + '&wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,width=210,height=165,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // BackColor
                        case "BackColor":
                                var currentColor = toHexColor(this.getEditorWindow(n).document.queryCommandValue(cmd));
                                  window.open(this.config[n].PopupsDir + 'select_color.html?color=' + currentColor + '&command=' + cmd + '&wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,width=210,height=165,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // InsertImage
                        case "InsertImage": 
                                window.open(imagePopupFile + '?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=' + imagePopupWidth + ',height=' + imagePopupHeight + ',top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // Remove Image
                        case "RemoveImage": 
                                this.removeImage(n);
                        break;
                        
                        // Remove Link
                        case "RemoveLink": 
                                this.removeLink(n);
                        break;
                        
                        // Remove a Node
                        case "RemoveNode": 
                                this.removeNode(n);
                        break;
                        
                        // Create Link
                        case "CreateLink": 
                                window.open(this.config[n].PopupsDir + 'insert_hyperlink.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=350,height=160,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // InsertTable
                        case "InsertTable": 
                                window.open(this.config[n].PopupsDir + 'create_table.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=500,height=260,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // ViewSource
                        case "ViewSource": 
                                this.viewSource(n);
                        break;
                        
                        // ViewText
                        case "ViewText": 
                                this.viewText(n);
                        break;
                        
                        // Help
                        case "Help":
                                window.open(this.config[n].PopupsDir + 'about.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=400,height=350,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // Strip any HTML added by word
                        case "RemoveFormat":
                                this.removeFormat(n);        
                        break;
                        
                        // Preview thx to Korvo
                        case "Preview":
                                window.open(this.config[n].PopupsDir + 'preview.html?wysiwyg=' + n,'popup', 'location=0,status=0,scrollbars=1,resizable=1,width=' + this.config[n].PreviewWidth + ',height=' + this.config[n].PreviewHeight + ',top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                        break;
                        
                        // Print
                        case "Print":
                                this.print(n);
                        break;
                        
                        // Save
                        case "Save":
                            WYSIWYG.updateTextArea(n);
                            var form = WYSIWYG_Core.findParentNode("FORM", this.getEditor(n));
                            if(form == null) {
                                    alert("Can not submit the content, because no form element found.");
                                    return;
                            }
                            form.submit();
                        break;
                                 
                        // Return
                        case "Return":
                           location.replace(this.config[n].Opener);
                        break;
                                                
                        default: 
                                WYSIWYG_Core.execCommand(n, cmd, value);
                                
                }
                         
                // hide node the font + font size selection
                this.closeDropDowns(n);
        },        
                        
        /**
         * Insert HTML into WYSIWYG in rich text
         *
         * @param {String} html The HTML being inserted (e.g. <b>hello</b>)
         * @param {String} n The editor identifier
         */
        insertHTML: function(html, n) {                        
                if (WYSIWYG_Core.isMSIE) {          
                        this.getEditorWindow(n).document.selection.createRange().pasteHTML(html);   
                } 
                else {
                        var span = this.getEditorWindow(n).document.createElement("span");
                        span.innerHTML = html;
                        this.insertNodeAtSelection(span, n);                
                }
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : insertNodeAtSelection()
          Description : insert HTML into WYSIWYG in rich text (mozilla)
          Usage       : WYSIWYG.insertNodeAtSelection(insertNode, n)
          Arguments   : insertNode - The HTML being inserted (must be innerHTML inserted within a div element)
                        n          - The editor identifier that the HTML will be inserted into (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        insertNodeAtSelection: function(insertNode, n) {
        
                // get editor document
                var doc = this.getEditorWindow(n).document;
                // get current selection
                var sel = this.getSelection(n);
                
                // get the first range of the selection
                // (there's almost always only one range)
                var range = sel.getRangeAt(0);
                
                // deselect everything
                sel.removeAllRanges();
                
                // remove content of current selection from document
                range.deleteContents();
                
                // get location of current selection
                var container = range.startContainer;
                var pos = range.startOffset;
                
                // make a new range for the new selection
                range = doc.createRange();
                
                if (container.nodeType==3 && insertNode.nodeType==3) {                                        
                        // if we insert text in a textnode, do optimized insertion
                        container.insertData(pos, insertNode.data);
                        // put cursor after inserted text
                        range.setEnd(container, pos+insertNode.length);
                        range.setStart(container, pos+insertNode.length);                
                }         
                else {
                
                        var afterNode;        
                        var beforeNode;
                        if (container.nodeType==3) {
                                // when inserting into a textnode
                                // we create 2 new textnodes
                                // and put the insertNode in between
                                var textNode = container;
                                container = textNode.parentNode;
                                var text = textNode.nodeValue;
                                
                                // text before the split
                                var textBefore = text.substr(0,pos);
                                // text after the split
                                var textAfter = text.substr(pos);
                                
                                beforeNode = document.createTextNode(textBefore);
                                afterNode = document.createTextNode(textAfter);
                                
                                // insert the 3 new nodes before the old one
                                container.insertBefore(afterNode, textNode);
                                container.insertBefore(insertNode, afterNode);
                                container.insertBefore(beforeNode, insertNode);
                                
                                // remove the old node
                                container.removeChild(textNode);
                        } 
                        else {
                                // else simply insert the node
                                afterNode = container.childNodes[pos];
                                container.insertBefore(insertNode, afterNode);
                        }
                        
                        try {
                                range.setEnd(afterNode, 0);
                                range.setStart(afterNode, 0);
                        }
                        catch(e) {
                                alert(e);
                        }
                }
                
                sel.addRange(range);
        },
        
        /**
         * Prints the content of the WYSIWYG editor area
         * 
         * @param {String} n The editor identifier (textarea ID)
         */
        print: function(n) {
                if(document.all && navigator.appVersion.substring(22,23)==4) {
                        var doc = this.getEditorWindow(n).document;
                        doc.focus();
                        var OLECMDID_PRINT = 6;
                        var OLECMDEXECOPT_DONTPROMPTUSER = 2;
                        var OLECMDEXECOPT_PROMPTUSER = 1;
                        var WebBrowser = '<object id="WebBrowser1" width="0" height="0" classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></object>';
                        doc.body.insertAdjacentHTML('beforeEnd',WebBrowser);
                        WebBrowser.ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_DONTPROMPTUSER);
                        WebBrowser.outerHTML = '';
                } else {
                        this.getEditorWindow(n).print();
                }
        },
        
        /**
         * Writes the content of an drop down
         *
         * @param {String} n The editor identifier (textarea ID)
         * @param {String} id Drop down identifier
         * @return {String} Drop down HTML
         */
        writeDropDown: function(n, id) {
        
                var dropdown = this.config[n].DropDowns[id];
                var toolbarObj = this.ToolbarList[dropdown.id];
                var image = this.config[n].ImagesDir  + toolbarObj[2];
                var imageOn  = this.config[n].ImagesDir + toolbarObj[3];
                dropdown.elements.sort();
                
                var output = "";
                output += '<table border="0" cellpadding="0" cellspacing="0"><tr>';
                output += '<td onMouseOver="$(\'img_' + dropdown.id + '_' + n + '\').src=\'' + imageOn + '\';" onMouseOut="$(\'img_' + dropdown.id + '_' + n + '\').src=\'' + image + '\';">';
                output += '<img src="' + image + '" id="img_' + dropdown.id + '_' + n + '" height="20" onClick="WYSIWYG.openDropDown(\'' + n + '\',\'' + dropdown.id + '\');" unselectable="on" border="0"><br>';
                output += '<span id="elm_' + dropdown.id + '_' + n + '" class="dropdown" style="width: 145px;display:none;">';
                for (var i = 0; i < dropdown.elements.length;i++) {
                        if (dropdown.elements[i]) {
                                var value = dropdown.elements[i];
                                var label = dropdown.label.replace(/{value}/gi, value);
                                // output
                                  output += '<button type="button" onClick="WYSIWYG.execCommand(\'' + n + '\',\'' + dropdown.command + '\',\'' + value + '\')\;" onMouseOver="this.className=\'mouseOver\'" onMouseOut="this.className=\'mouseOut\'" class="mouseOut" style="width: 120px;">';
                                  output += '<table cellpadding="0" cellspacing="0" border="0"><tr>';
                                  output += '<td align="left">' + label + '</td>';
                                  output += '</tr></table></button><br>';        
                          }
                  }
                  output += '</span></td></tr></table>';        
                  
                return output;
        },
        
        /**
         * Close all drop downs. You can define a exclude dropdown id
         * 
         * @param {String} n The editor identifier (textarea ID)
     * @param {String} exid Excluded drop down identifier
         */
        closeDropDowns: function(n, exid) {
                if(typeof(exid) == "undefined") exid = "";
                var dropdowns = this.config[n].DropDowns;
                for(var id in dropdowns) {
                        var dropdown = dropdowns[id];
                        if(dropdown.id != exid) {
                                var divId = "elm_" + dropdown.id + "_" + n;
                                if($(divId)) $(divId).style.display = 'none';
                        }
                }                        
        },
        
        /**
         * Open a defined drop down
         * 
     * @param {String} n The editor identifier (textarea ID)
         * @param {String} id Drop down identifier
         */
        openDropDown: function(n, id) {
                var divId = "elm_" + id + "_" + n;
                if($(divId).style.display == "none") {        
                        $(divId).style.display = "block"; 
                }
                else {
                        $(divId).style.display = "none"; 
                }
                $(divId).style.position = "absolute";
                this.closeDropDowns(n, id);
        },
        
        /**
         * Shows the HTML source code generated by the WYSIWYG editor
         * 
         * @param {String} n The editor identifier (textarea ID)
         */
        viewSource: function(n) {
                
                // document
                var doc = this.getEditorWindow(n).document;
                
                // Enable table highlighting
                WYSIWYG_Table.disableHighlighting(n);
                        
                // View Source for IE          
                if (WYSIWYG_Core.isMSIE) {
                        var iHTML = doc.body.innerHTML;
                        // strip off the absolute urls
                        iHTML = this.stripURLPath(n, iHTML);
                        // replace all decimal color strings with hex decimal color strings
                        iHTML = WYSIWYG_Core.replaceRGBWithHexColor(iHTML);
                        doc.body.innerText = iHTML;
                }
                  // View Source for Mozilla/Netscape
                  else {
                          // replace all decimal color strings with hex decimal color strings
                        var html = WYSIWYG_Core.replaceRGBWithHexColor(doc.body.innerHTML);
                    html = document.createTextNode(html);
                    doc.body.innerHTML = "";
                    doc.body.appendChild(html);
                  }
          
                // Hide the HTML Mode button and show the Text Mode button
                // Validate if Elements are present
                if($('HTMLMode' + n)) {
                    $('HTMLMode' + n).style.display = 'none'; 
                }
            if($('textMode' + n)) {
                    $('textMode' + n).style.display = 'block';
                }
                
                // set the font values for displaying HTML source
                doc.body.style.fontSize = "12px";
                doc.body.style.fontFamily = "Courier New"; 
                
                  this.viewTextMode[n] = true;
        },
                
        /**
         * Shows the HTML source code generated by the WYSIWYG editor
         * 
         * @param {String} n The editor identifier (textarea ID)
         */
        viewText: function(n) { 
                
                // get document
                var doc = this.getEditorWindow(n).document;
                
                // View Text for IE                    
                if (WYSIWYG_Core.isMSIE) {
                    var iText = doc.body.innerText;
                    // strip off the absolute urls
                        iText = this.stripURLPath(n, iText);
                        // replace all decimal color strings with hex decimal color strings
                        iText = WYSIWYG_Core.replaceRGBWithHexColor(iText);
                    doc.body.innerHTML = iText;
                }
          
                // View Text for Mozilla/Netscape
                  else {
                    var html = doc.body.ownerDocument.createRange();
                    html.selectNodeContents(doc.body);
                    // replace all decimal color strings with hex decimal color strings
                        html = WYSIWYG_Core.replaceRGBWithHexColor(html.toString());
                    doc.body.innerHTML = html;
                }
                
                // Enable table highlighting
                WYSIWYG_Table.refreshHighlighting(n);
                                          
                // Hide the Text Mode button and show the HTML Mode button
                // Validate if Elements are present
                if($('textMode' + n)) {
                        $('textMode' + n).style.display = 'none'; 
                }
                if($('HTMLMode' + n)) {
                        $('HTMLMode' + n).style.display = 'block';
                }
                
                // reset the font values (changed)
                WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);
                
                this.viewTextMode[n] = false;
        },
                
        /* ---------------------------------------------------------------------- *\
          Function    : stripURLPath()
          Description : Strips off the defined image and the anchor urls of the given content.
                                          It also can strip the document URL automatically if you define auto.
          Usage       : WYSIWYG.stripURLPath(content)
          Arguments   : content  - Content on which the stripping applies
        \* ---------------------------------------------------------------------- */
        stripURLPath: function(n, content, exact) {
        
                // parameter exact is optional
                if(typeof exact == "undefined") {
                        exact = true;
                }
        
                var stripImgageUrl = null;
                var stripAnchorUrl = null;
                
                // add url to strip of anchors to array
                if(this.config[n].AnchorPathToStrip == "auto") {
                        stripAnchorUrl = WYSIWYG_Core.getDocumentUrl(document);
                }
                else if(this.config[n].AnchorPathToStrip != "") {
                        stripAnchorUrl = this.config[n].AnchorPathToStrip;
                }
                
                // add strip url of images to array
                if(this.config[n].ImagePathToStrip == "auto") {
                        stripImgageUrl = WYSIWYG_Core.getDocumentUrl(document);
                }
                else if(this.config[n].ImagePathToStrip != "") {
                        stripImgageUrl = this.config[n].ImagePathToStrip;
                }
                
                var url;
                var regex;
                var result;
                // strip url of image path
                if(stripImgageUrl) {
                        // escape reserved characters to be a valid regex        
                        url = WYSIWYG_Core.stringToRegex(WYSIWYG_Core.getDocumentPathOfUrl(stripImgageUrl));        
                        
                        // exact replacing of url. regex: src="<url>"
                        if(exact) {
                                regex = eval("/(src=\")(" + url + ")([^\"]*)/gi");
                                content = content.replace(regex, "$1$3");        
                        }
                        // not exect replacing of url. regex: <url>
                        else {
                                regex = eval("/(" + url + ")(.+)/gi");
                                content = content.replace(regex, "$2");        
                        }
                        
                        // strip absolute urls without a heading slash ("images/print.gif")        
                        result = WYSIWYG_Core.getDocumentPathOfUrl(stripImgageUrl).match(/.+[\/]{2,3}[^\/]*/,"");
                        if(result) {
                                url = WYSIWYG_Core.stringToRegex(result[0]);
                                
                                // exact replacing of url. regex: src="<url>"
                                if(exact) {
                                        regex = eval("/(src=\")(" + url + ")([^\"]*)/gi");
                                        content = content.replace(regex, "$1$3");
                                }
                                // not exect replacing of url. regex: <url>
                                else {
                                        regex = eval("/(" + url + ")(.+)/gi");
                                        content = content.replace(regex, "$2");        
                                }
                        }        
                }
                
                // strip url of image path
                if(stripAnchorUrl) {                                                
                        // escape reserved characters to be a valid regex                
                        url = WYSIWYG_Core.stringToRegex(WYSIWYG_Core.getDocumentPathOfUrl(stripAnchorUrl));
                        
                        // strip absolute urls with a heading slash ("/product/index.html")
                        // exact replacing of url. regex: src="<url>"
                        if(exact) {
                                regex = eval("/(href=\")(" + url + ")([^\"]*)/gi");
                                content = content.replace(regex, "$1$3");        
                        }
                        // not exect replacing of url. regex: <url>
                        else {
                                regex = eval("/(" + url + ")(.+)/gi");
                                content = content.replace(regex, "$2");        
                        }
                        
                        // strip absolute urls without a heading slash ("product/index.html")        
                        result = WYSIWYG_Core.getDocumentPathOfUrl(stripAnchorUrl).match(/.+[\/]{2,3}[^\/]*/,"");
                        if(result) {
                                url = WYSIWYG_Core.stringToRegex(result[0]);
                                // exact replacing of url. regex: src="<url>"
                                if(exact) {
                                        regex = eval("/(href=\")(" + url + ")([^\"]*)/gi");
                                        content = content.replace(regex, "$1$3");        
                                }
                                // not exect replacing of url. regex: <url>
                                else {
                                        regex = eval("/(" + url + ")(.+)/gi");
                                        content = content.replace(regex, "$2");        
                                }
                                
                        }
                        
                        // stip off anchor links with #name                        
                        url = WYSIWYG_Core.stringToRegex(stripAnchorUrl);
                        // exact replacing of url. regex: src="<url>"
                        if(exact) {
                                regex = eval("/(href=\")(" + url + ")(#[^\"]*)/gi");
                                content = content.replace(regex, "$1$3");
                        }
                        // not exect replacing of url. regex: <url>
                        else {
                                regex = eval("/(" + url + ")(.+)/gi");
                                content = content.replace(regex, "$2");        
                        }
                        
                        
                        // stip off anchor links with #name (only for local system)
                        url = WYSIWYG_Core.getDocumentUrl(document);
                        var pos = url.lastIndexOf("/");
                        if(pos != -1) {
                                url = url.substring(pos + 1, url.length);
                                url = WYSIWYG_Core.stringToRegex(url);
                                // exact replacing of url. regex: src="<url>"
                                if(exact) {
                                        regex = eval("/(href=\")(" + url + ")(#[^\"]*)/gi");
                                        content = content.replace(regex, "$1$3");
                                }
                                // not exect replacing of url. regex: <url>
                                else {
                                        regex = eval("/(" + url + ")(.+)/gi");
                                        content = content.replace(regex, "$2");        
                                }
                        }
                }
                
                return content;
        },        
                
        /* ---------------------------------------------------------------------- *\
          Function    : updateTextArea()
          Description : Updates the text area value with the HTML source of the WYSIWYG
          Arguments   : n   - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        updateTextArea: function(n) {        
                // on update switch editor back to html mode
                if(this.viewTextMode[n]) { this.viewText(n); }
                // get inner HTML
                var content = this.getEditorWindow(n).document.body.innerHTML;
                // strip off defined URLs on IE
                content = this.stripURLPath(n, content);
                // replace all decimal color strings with hex color strings
                content = WYSIWYG_Core.replaceRGBWithHexColor(content);
                // remove line breaks before content will be updated
                if(this.config[n].ReplaceLineBreaks) { content = content.replace(/(\r\n)|(\n)/ig, ""); }
                // set content back in textarea
                $(n).value = content;
        },
                
        /* ---------------------------------------------------------------------- *\
          Function    : hideToolbars()
          Description : Hide all toolbars
          Usage       : WYSIWYG.hideToolbars(n)
          Arguments   : n - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        hideToolbars: function(n) {
                for(var i=0;i<this.config[n].Toolbar.length;i++) {
                        var toolbar = $("toolbar" + i + "_" + n);
                        if(toolbar) { toolbar.style.display = "none"; }
                }        
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : showToolbars()
          Description : Display all toolbars
          Usage       : WYSIWYG.showToolbars(n)
          Arguments   : n - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        showToolbars: function(n) {
                for(var i=0;i<this.config[n].Toolbar.length;i++) {
                        var toolbar = $("toolbar" + i + "_" + n);
                        if(toolbar) { toolbar.style.display = ""; }
                }        
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : hideStatusBar()
          Description : Hide the status bar
          Usage       : WYSIWYG.hideStatusBar(n)
          Arguments   : n - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        hideStatusBar: function(n) {
                var statusbar = $('wysiwyg_statusbar_' + n);
                if(statusbar) {        statusbar.style.display = "none"; }
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : showStatusBar()
          Description : Display the status bar
          Usage       : WYSIWYG.showStatusBar(n)
          Arguments   : n - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        showStatusBar: function(n) {
                var statusbar = $('wysiwyg_statusbar_' + n);
                if(statusbar) { statusbar.style.display = ""; }
        },
        
        /**
         * Finds the node with the given tag name in the given range
         * 
         * @param {String} tagName Parent tag to find
         * @param {Range} range Current range
         */
        findParent: function(parentTagName, range){
                parentTagName = parentTagName.toUpperCase();
                var rangeWorking;
                var elmWorking = null;
                try {
                        if(!WYSIWYG_Core.isMSIE) {
                                var node = range.startContainer;        
                                var pos = range.startOffset;
                                if(node.nodeType != 3) { node = node.childNodes[pos]; }
                                return WYSIWYG_Core.findParentNode(parentTagName, node);
                        }
                        else {
                                elmWorking = (range.length > 0) ? range.item(0): range.parentElement();                                        
                                elmWorking = WYSIWYG_Core.findParentNode(parentTagName, elmWorking);
                                if(elmWorking != null) return elmWorking;
                                
                                rangeWorking = range.duplicate();
                                rangeWorking.collapse(true);
                                rangeWorking.moveEnd("character", 1);
                                if (rangeWorking.text.length>0) {
                                        while (rangeWorking.compareEndPoints("EndToEnd", range) < 0){
                                                  rangeWorking.move("Character");
                                                  if (null != this.findParentTag(parentTagName, rangeWorking)){
                                                           return this.findParentTag(parentTagName, rangeWorking);
                                                  }
                                         }
                                 }
                                 return null;
                        }
                }
                catch(e) {
                        return null;
                }
        },
                
        /**
         * Get the acutally tag of the given range
         *
         * @param {Range} range Current range
         */
        getTag: function(range) {
                try {
                    if(!WYSIWYG_Core.isMSIE) {
                                var node = range.startContainer;        
                                var pos = range.startOffset;
                                if(node.nodeType != 3) { node = node.childNodes[pos]; }
                                
                                if(node.nodeName && node.nodeName.search(/#/) != -1) {
                                        return node.parentNode;
                                }
                                return node;
                        }
                        else {
                                if(range.length > 0) {
                                        return range.item(0);
                                }
                                else if(range.parentElement()) {
                                        return range.parentElement();
                                }
                        }
                        return null;
                }
                catch(e) {
                        return null;
                }
        },
        
        /**
         * Get the parent node of the given node
         * 
         * @param {DOMElement} element - Element which parent will be returned
         */
        getParent: function(element) {
                if(element.parentNode) {
                        return element.parentNode;
                }
                return null;
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : getTextRange()
          Description : Get the text range object of the given element
          Usage       : WYSIWYG.getTextRange(element)
          Arguments   : element - An element of which you get the text range object
        \* ---------------------------------------------------------------------- */
        getTextRange: function(element){
                var range = element.parentTextEdit.createTextRange();
                range.moveToElementText(element);
                return range;
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : invertIELineBreakCapability()
          Description : Inverts the line break capability of IE (Thx to richyrich)
                                          Normal: ENTER = <p> , SHIFT + ENTER = <br>
                                          Inverted: ENTER = <br>, SHIFT + ENTER = <p>
          Usage       : WYSIWYG.invertIELineBreakCapability(n)
          Arguments   : n   - The editor identifier (the textarea's ID)
        \* ---------------------------------------------------------------------- */
        invertIELineBreakCapability: function(n) {
        
                var editor = this.getEditorWindow(n);
                var sel;
                // validate if the press key is the carriage return key
                if (editor.event.keyCode==13) {
                    if (!editor.event.shiftKey) {
                                sel = this.getRange(this.getSelection(n));
                    sel.pasteHTML("<br>");
                    editor.event.cancelBubble = true;
                    editor.event.returnValue = false;
                    sel.select();
                    sel.moveEnd("character", 1);
                    sel.moveStart("character", 1);
                    sel.collapse(false);
                    return false;
                        }
                else {
                    sel = this.getRange(this.getSelection(n));
                    sel.pasteHTML("<p>");
                    editor.event.cancelBubble = true;
                    editor.event.returnValue = false;
                    sel.select();
                    sel.moveEnd("character", 1);
                    sel.moveStart("character", 1);
                    sel.collapse(false);
                    return false;
                    }
                }  
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : selectNode()
          Description : Select a node within the current editor
          Usage       : WYSIWYG.selectNode(n, level)
          Arguments   : n   - The editor identifier (the textarea's ID)
                                          level - identifies the level of the element which will be selected
        \* ---------------------------------------------------------------------- */
        selectNode: function(n, level) {
                
                var sel = this.getSelection(n);
                var range = this.getRange(sel);
                var parentnode = this.getTag(range);
                var i = 0;
                
                for (var node=parentnode; (node && (node.nodeType == 1)); node=node.parentNode) {
                        if (i == level) {
                                this.nodeSelection(n, node);
                        }
                        i++;
                }
                
                this.updateStatusBar(n);
        },
        
        /* ---------------------------------------------------------------------- *\
          Function    : nodeSelection()
          Description : Do the node selection
          Usage       : WYSIWYG.nodeSelection(n, node)
          Arguments   : n   - The editor identifier (the textarea's ID)
                                          node - The node which will be selected
        \* ---------------------------------------------------------------------- */
        nodeSelection: function(n, node) {
                
                var doc = this.getEditorWindow(n).document;
                var sel = this.getSelection(n);
                var range = this.getRange(sel);
                
                if(!WYSIWYG_Core.isMSIE) {
                        if (node.nodeName == "BODY") {
                                range.selectNodeContents(node);
                        } else {
                                range.selectNode(node);
                        }

                        /*
                        if (endNode) {
                                try {
                                        range.setStart(node, startOffset);
                                        range.setEnd(endNode, endOffset);
                                } catch(e) {
                                }
                        }
                        */
                        
                        if (sel) { sel.removeAllRanges(); }
                        if (sel) { sel.addRange(range);         }
                }
                else {
                        // MSIE may not select everything when BODY is selected - 
                        // start may be set to first text node instead of first non-text node - 
                        // no known workaround
                        if ((node.nodeName == "TABLE") || (node.nodeName == "IMG") || (node.nodeName == "INPUT") || (node.nodeName == "SELECT") || (node.nodeName == "TEXTAREA")) {
                                try {
                                        range = doc.body.createControlRange();
                                        range.addElement(node);
                                        range.select();
                                } 
                                catch(e) { }
                        } 
                        else {
                                range = doc.body.createTextRange();
                                if (range) {
                                        range.collapse();
                                        if (range.moveToElementText) {
                                                try {
                                                        range.moveToElementText(node);
                                                        range.select();
                                                } catch(e) {
                                                        try {
                                                                range = doc.body.createTextRange();
                                                                range.moveToElementText(node);
                                                                range.select();
                                                        } 
                                                        catch(e) {}
                                                }
                                        } else {
                                                try {
                                                        range = doc.body.createTextRange();
                                                        range.moveToElementText(node);
                                                        range.select();
                                                } 
                                                catch(e) {}
                                        }
                                }
                        }
                }
        }
}

/********************************************************************
 * openWYSIWYG core functions Copyright (c) 2006 openWebWare.com
 * Contact us at devs@openwebware.com
 * This copyright notice MUST stay intact for use.
 *
 * $Id: wysiwyg.js,v 1.20 2007/02/04 13:41:33 xhaggi Exp $
 ********************************************************************/
var WYSIWYG_Core = {

        /**
         * Holds true if browser is MSIE, otherwise false
         */
        isMSIE: navigator.appName == "Microsoft Internet Explorer" ? true : false,

        /**
         * Holds true if browser is Firefox (Mozilla)
         */
        isFF: !document.all && document.getElementById && !this.isOpera,
        
        /**
         * Holds true if browser is Opera, otherwise false
         */
        isOpera: navigator.appName == "Opera" ? true : false,
        
        /**
         * Trims whitespaces of the given string
         *
         * @param str String
         * @return Trimmed string
         */
        trim: function(str) {
                return str.replace(/^\s*|\s*$/g,"");
        },
        
        /**
         * Determine if the given parameter is defined
         * 
         * @param p Parameter
         * @return true/false dependents on definition of the parameter 
         */
        defined: function(p) {
                return typeof p == "undefined" ? false : true;        
        },
        
        /**
         * Determine if the browser version is compatible
         *
         * @return true/false depending on compatiblity of the browser
         */
        isBrowserCompatible: function() {
                // Validate browser and compatiblity
                if ((navigator.userAgent.indexOf('Safari') != -1 ) || !document.getElementById || !document.designMode){   
                        //no designMode (Safari lies)
                           return false;
                } 
                return true;
        },
        
        /**
         * Set the style attribute of the given element.
         * Private method to solve the IE bug while setting the style attribute.
         *
         * @param {DOMElement} node The element on which the style attribute will affect
         * @param {String} style Stylesheet which will be set
         */
        _setStyleAttribute: function(node, style) {
                if(style == null) return;
                var styles = style.split(";");
                var pos;
                for(var i=0;i<styles.length;i++) {
                        var attributes = styles[i].split(":");
                        if(attributes.length == 2) {
                                try {
                                        var attr = WYSIWYG_Core.trim(attributes[0]);
                                        while((pos = attr.search(/-/)) != -1) {
                                                var strBefore = attr.substring(0, pos);
                                                var strToUpperCase = attr.substring(pos + 1, pos + 2);
                                                var strAfter = attr.substring(pos + 2, attr.length);
                                                attr = strBefore + strToUpperCase.toUpperCase() + strAfter;
                                        }
                                        var value = WYSIWYG_Core.trim(attributes[1]).toLowerCase();
                                        node.style[attr] = value;
                                }
                                catch (e) {
                                        alert(e);
                                }
                        }
                }
        },
        
        /**
         * Fix's the issue while getting the attribute style on IE
         * It's return an object but we need the style string
         *
         * @private
         * @param {DOMElement} node Node element
         * @return {String} Stylesheet
         */
        _getStyleAttribute: function(node) {
                if(this.isMSIE) {
                        return node.style['cssText'].toLowerCase();                
                }        
                else {
                        return node.getAttribute("style");
                }
        },
        
        /**
         * Set an attribute's value on the given node element.
         *
         * @param {DOMElement} node Node element
         * @param {String} attr Attribute which is set
         * @param {String} value Value of the attribute
         */
        setAttribute: function(node, attr, value) {
                if(value == null || node == null || attr == null) return;
                if(attr.toLowerCase() == "style") {
                        this._setStyleAttribute(node, value);
                }
                else {
                        node.setAttribute(attr, value);
                }
        },
        
        /**
         * Removes an attribute on the given node
         * 
         * @param {DOMElement} node Node element
         * @param {String} attr Attribute which will be removed
         */ 
        removeAttribute: function(node, attr) {
                node.removeAttribute(attr, false);
        },
        
        /**
         * Get the vale of the attribute on the given node
         * 
         * @param {DOMElement} node Node element
         * @param {String} attr Attribute which value will be returned
         */
        getAttribute: function(node, attr) {
                if(node == null || attr == null) return;
                if(attr.toLowerCase() == "style") {
                        return this._getStyleAttribute(node);
                }
                else {
                        return node.getAttribute(attr);
                }
        },
        
        /**
         * Get the path out of an given url
         * 
         * @param {String} url The url with is used to get the path
         */
        getDocumentPathOfUrl: function(url) {
                var path = null;
                
                // if local file system, convert local url into web url
                url = url.replace(/file:\/\//gi, "file:///");
                url = url.replace(/\\/gi, "\/");
                var pos = url.lastIndexOf("/");
                if(pos != -1) {
                        path = url.substring(0, pos + 1);
                }
                return path;
        },
        
        /**
         * Get the documents url, convert local urls to web urls
         * 
         * @param {DOMElement} doc Document which is used to get the url
         */
        getDocumentUrl: function(doc) {
                // if local file system, convert local url into web url
                var url = doc.URL;
                url = url.replace(/file:\/\//gi, "file:///");
                url = url.replace(/\\/gi, "\/");
                return url;
        },
        
        /**
         * Find a parent node with the given name, of the given start node
         * 
         * @param {String} tagName - Tag name of the node to find
         * @param {DOMElement} node - Node element
         */
        findParentNode: function(tagName, node) {
                while (node.tagName != "HTML") {
                          if (node.tagName == tagName){
                                  return node;
                          } 
                          node = node.parentNode;
                 }
                 return null;
        },
        
        /**
         * Cancel the given event.
         *
         * @param e Event which will be canceled
         */
        cancelEvent: function(e) {
                if (!e) return false;
                if (this.isMSIE) {
                        e.returnValue = false;
                        e.cancelBubble = true;
                } else {
                        e.preventDefault();
                        e.stopPropagation && e.stopPropagation();
                }
                return false;        
        },
        
        /**
         * Converts a RGB color string to hex color string.
         *
         * @param color RGB color string
         * @param Hex color string
         */
        toHexColor: function(color) {
                color = color.replace(/^rgb/g,'');
                color = color.replace(/\(/g,'');
                color = color.replace(/\)/g,'');
                color = color.replace(/ /g,'');
                color = color.split(',');
                var r = parseFloat(color[0]).toString(16).toUpperCase();
                var g = parseFloat(color[1]).toString(16).toUpperCase();
                var b = parseFloat(color[2]).toString(16).toUpperCase();
                if (r.length<2) { r='0'+r; }
                if (g.length<2) { g='0'+g; }
                if (b.length<2) { b='0'+b; }
                return r + g + b;
        },
        
        /**
         * Converts a decimal color to hex color string.
         *
         * @param Decimal color
         * @param Hex color string
         */
        _dec_to_rgb: function(value) {
                var hex_string = "";
                for (var hexpair = 0; hexpair < 3; hexpair++) {
                        var myByte = value & 0xFF;            // get low byte
                        value >>= 8;                          // drop low byte
                        var nybble2 = myByte & 0x0F;          // get low nybble (4 bits)
                        var nybble1 = (myByte >> 4) & 0x0F;   // get high nybble
                        hex_string += nybble1.toString(16);   // convert nybble to hex
                        hex_string += nybble2.toString(16);   // convert nybble to hex
                }
                return hex_string.toUpperCase();
        },
        
        /**
         * Replace RGB color strings with hex color strings within a string.
         * 
         * @param {String} str RGB String
         * @param {String} Hex color string
         */
        replaceRGBWithHexColor: function(str) {
                if(str == null) return "";
                // find all decimal color strings
                var matcher = str.match(/rgb\([0-9 ]+,[0-9 ]+,[0-9 ]+\)/gi);
                if(matcher) {
                        for(var j=0; j<matcher.length;j++) {
                                var regex = eval("/" + WYSIWYG_Core.stringToRegex(matcher[j]) + "/gi");
                                // replace the decimal color strings with hex color strings
                                str = str.replace(regex, "#" + this.toHexColor(matcher[j]));
                        }
                }
                return str;
        },
        
        /**
         * Execute the given command on the given editor
         * 
         * @param n The editor's identifier
         * @param cmd Command which is execute
         */
        execCommand: function(n, cmd, value) {
                if(typeof(value) == "undefined") value = null;
                
                // firefox BackColor problem fixed
                if(cmd == 'BackColor' && WYSIWYG_Core.isFF) cmd = 'HiliteColor';
                
                // firefox cut, paste and copy
                if(WYSIWYG_Core.isFF && (cmd == "Cut" || cmd == "Paste" || cmd == "Copy")) {
                        try {
                                WYSIWYG.getEditorWindow(n).document.execCommand(cmd, false, value);
                        }
                        catch(e) {
                                if(confirm("Copy/Cut/Paste is not available in Mozilla and Firefox\nDo you want more information about this issue?")) {
                                        window.open('http://www.mozilla.org/editor/midasdemo/securityprefs.html');
                                }
                        }
                }
                
                else {
                        WYSIWYG.getEditorWindow(n).document.execCommand(cmd, false, value);
                }
        },
        
        /**
         * Parse a given string to a valid regular expression
         * 
         * @param {String} string String to be parsed
         * @return {RegEx} Valid regular expression
         */
        stringToRegex: function(string) {
                
                string = string.replace(/\//gi, "\\/");
                string = string.replace(/\(/gi, "\\(");
                string = string.replace(/\)/gi, "\\)");
                string = string.replace(/\[/gi, "\\[");
                string = string.replace(/\]/gi, "\\]");
                string = string.replace(/\+/gi, "\\+");
                string = string.replace(/\$/gi, "\\$");
                string = string.replace(/\*/gi, "\\*");
                string = string.replace(/\?/gi, "\\?");
                string = string.replace(/\^/gi, "\\^");
                string = string.replace(/\\b/gi, "\\\\b");
                string = string.replace(/\\B/gi, "\\\\B");
                string = string.replace(/\\d/gi, "\\\\d");
                string = string.replace(/\\B/gi, "\\\\B");
                string = string.replace(/\\D/gi, "\\\\D");
                string = string.replace(/\\f/gi, "\\\\f");
                string = string.replace(/\\n/gi, "\\\\n");
                string = string.replace(/\\r/gi, "\\\\r");
                string = string.replace(/\\t/gi, "\\\\t");
                string = string.replace(/\\v/gi, "\\\\v");
                string = string.replace(/\\s/gi, "\\\\s");
                string = string.replace(/\\S/gi, "\\\\S");
                string = string.replace(/\\w/gi, "\\\\w");
                string = string.replace(/\\W/gi, "\\\\W");
                
                return string;                        
        },
        
        /**
         * Add an event listener
         *
         * @param obj Object on which the event will be attached
         * @param ev Kind of event
         * @param fu Function which is execute on the event
         */
        addEvent: function(obj, ev, fu) {
                if (obj.attachEvent)
                        obj.attachEvent("on" + ev, fu);
                else
                        obj.addEventListener(ev, fu, false);
        },
        
        /**
         * Remove an event listener
         *
         * @param obj Object on which the event will be attached
         * @param ev Kind of event
         * @param fu Function which is execute on the event
         */
        removeEvent:  function(obj, ev, fu) {
                if (obj.attachEvent)
                        obj.detachEvent("on" + ev, fu);
                else
                        obj.removeEventListener(ev, fu, false);
        },
        
        /**
         * Includes a javascript file
         *
         * @param file Javascript file path and name
         */
        includeJS: function(file) {
                var script = document.createElement("script");
                this.setAttribute(script, "type", "text/javascript");
                this.setAttribute(script, "src", file);
                var heads = document.getElementsByTagName("head");
                for(var i=0;i<heads.length;i++) {
                        heads[i].appendChild(script);                
                }
        },
        
        /**
         * Includes a stylesheet file
         *
         * @param file Stylesheet file path and name
         */
        includeCSS: function(path) {
                var link = document.createElement("link");
                this.setAttribute(link, "rel", "stylesheet");
                this.setAttribute(link, "type", "text/css");
                this.setAttribute(link, "href", path);
                var heads = document.getElementsByTagName("head");
                for(var i=0;i<heads.length;i++) {
                        heads[i].appendChild(link);                
                }
        },
        
        /**
         * Get the screen position of the given element.
         * 
         * @param {HTMLObject} elm1 Element which position will be calculate
         * @param {HTMLObject} elm2 Element which is the last one before calculation stops
         * @param {Object} Left and top position of the given element
         */
        getElementPosition: function(elm1, elm2) {
                var top = 0, left = 0;         
                while (elm1 && elm1 != elm2) {
                        left += elm1.offsetLeft;
                        top += elm1.offsetTop;
                        elm1 = elm1.offsetParent;
                }
                return {left : left, top : top};
        }
}

/**
 * Context menu object
 */
var WYSIWYG_ContextMenu = {
        
        html: "",
        contextMenuDiv: null,
        
        /**
         * Init function
         *
         * @param {String} n Editor identifier
         */
        init: function(n) {
                var doc = WYSIWYG.getEditorWindow(n).document;
                        
                // create context menu div
                this.contextMenuDiv = document.createElement("div");
                this.contextMenuDiv.className = "wysiwyg-context-menu-div";
                this.contextMenuDiv.setAttribute("class", "wysiwyg-context-menu-div");
                this.contextMenuDiv.style.display = "none";
                this.contextMenuDiv.style.position = "absolute";
                this.contextMenuDiv.style.zindex = 1000;
                this.contextMenuDiv.style.left = "0";
                this.contextMenuDiv.style.top = "0";
                this.contextMenuDiv.unselectable = "on";                
                document.body.insertBefore(this.contextMenuDiv, document.body.firstChild);
                
                // bind event listeners
                WYSIWYG_Core.addEvent(doc, "contextmenu", function context(e) { WYSIWYG_ContextMenu.show(e, n); });
                WYSIWYG_Core.addEvent(doc, "click", function context(e) { WYSIWYG_ContextMenu.close(); });
                WYSIWYG_Core.addEvent(doc, "keydown", function context(e) { WYSIWYG_ContextMenu.close(); });
                WYSIWYG_Core.addEvent(document, "click", function context(e) { WYSIWYG_ContextMenu.close(); });
        },
        
        /**
         * Show the context menu
         *
         * @param e Event
         * @param n Editor identifier
         */
        show: function(e, n) {
                if(this.contextMenuDiv == null) return false;
                
                var ifrm = WYSIWYG.getEditor(n);
                var doc = WYSIWYG.getEditorWindow(n).document;
        
                // set the context menu position
                var pos = WYSIWYG_Core.getElementPosition(ifrm);                
                var x = WYSIWYG_Core.isMSIE ? pos.left + e.clientX : pos.left + (e.pageX - doc.body.scrollLeft);
                var y = WYSIWYG_Core.isMSIE ? pos.top + e.clientY : pos.top + (e.pageY - doc.body.scrollTop);
                                        
                this.contextMenuDiv.style.left = x + "px"; 
                this.contextMenuDiv.style.top = y + "px";
                this.contextMenuDiv.style.visibility = "visible";
                this.contextMenuDiv.style.display = "block";        
                
                // call the context menu, mozilla needs some time
                window.setTimeout("WYSIWYG_ContextMenu.output('" + n + "')", 10);
                        
                WYSIWYG_Core.cancelEvent(e);
                return false;
        },
        
        /**
         * Output the context menu items
         *
         * @param n Editor identifier
         */
        output: function (n) {
                                                                                                
                // get selection
                var sel = WYSIWYG.getSelection(n);
                var range = WYSIWYG.getRange(sel);
        
                // get current selected node                                        
                var tag = WYSIWYG.getTag(range);
                if(tag == null) { return; }
                
                // clear context menu
                this.clear();
                
                // Determine kind of nodes
                var isImg = (tag.nodeName == "IMG") ? true : false;
                var isLink = (tag.nodeName == "A") ? true : false;
                
                // Selection is an image or selection is a text with length greater 0
                var len = 0;
                if(WYSIWYG_Core.isMSIE)
                        len = (document.selection && range.text) ? range.text.length : 0;
                else
                        len = range.toString().length;
                var sel = len != 0 || isImg;
                
                // Icons
                var iconLink = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["createlink"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["createlink"][2]};
                var iconImage = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["insertimage"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["insertimage"][2]};
                var iconDelete = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["delete"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["delete"][2]};
                var iconCopy = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["copy"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["copy"][2]};
                var iconCut = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["cut"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["cut"][2]};
                var iconPaste = { enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["paste"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["paste"][2]};
                
                // Create context menu html
                this.html += '<table class="wysiwyg-context-menu" border="0" cellpadding="0" cellspacing="0">';
                
                // Add items
                this.addItem(n, 'Copy', iconCopy, 'Copy', sel);
                this.addItem(n, 'Cut', iconCut, 'Cut', sel);
                this.addItem(n, 'Paste', iconPaste, 'Paste', true);
                this.addSeperator();
                this.addItem(n, 'InsertImage', iconImage, 'Modify Image Properties...', isImg);
                this.addItem(n, 'CreateLink', iconLink, 'Create or Modify Link...', sel || isLink);
                this.addItem(n, 'RemoveNode', iconDelete, 'Remove', true);
                
                this.html += '</table>';
                this.contextMenuDiv.innerHTML = this.html;
        },
        
        /**
         * Close the context menu
         */
        close: function() {
                this.contextMenuDiv.style.visibility = "hidden";
                this.contextMenuDiv.style.display = "none";
        },
        
        /**
         * Clear context menu
         */
        clear: function() {
                this.contextMenuDiv.innerHTML = "";
                this.html = "";        
        },
                
        /**
         * Add context menu item 
         * 
         * @param n editor identifier
         * @param cmd Command
         * @param icon Icon which is diabled
         * @param title Title of the item
         * @param disabled If item is diabled
         */
        addItem: function(n, cmd, icon, title, disabled) {
                var item = '';
                
                if(disabled) {
                        item += '<tr>';
                        item += '<td class="icon"><a href="javascript:WYSIWYG.execCommand(\'' + n + '\',\'' + cmd + '\', null);"><img src="' + icon.enabled + '" border="0"></a></td>';
                        item += '<td onmouseover="this.className=\'mouseover\'" onmouseout="this.className=\'\'" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + cmd + '\', null);WYSIWYG_ContextMenu.close();"><a href="javascript:void(0);">' + title + '</a></td>';
                        item += '</tr>';
                }
                else {
                        item += '<tr>';
                        item += '<td class="icon"><img src="' + icon.disabled + '" border="0"></td>';
                        item += '<td onmouseover="this.className=\'mouseover\'" onmouseout="this.className=\'\'"><span class="disabled">' + title + '</span></td>';
                        item += '</tr>';
                }
                
                this.html += item;
        },
        
        /**
         * Add seperator to context menu
         */
        addSeperator: function() {
                var output = '';
                output += '<tr>';
                output += '<td colspan="2" style="text-align:center;"><hr size="1" color="#C9C9C9" width="95%"></td>';
                output += '</tr>';
                this.html += output;
        }
}

/**
 * Table object
 */
var WYSIWYG_Table = {

        /**
         * 
         */
        create: function(n, tbl) {
                
                // get editor
                var doc = WYSIWYG.getEditorWindow(n).document;
                // get selection and range
                var sel = WYSIWYG.getSelection(n);
                var range = WYSIWYG.getRange(sel);
                var table = null;
                                
                // get element from selection
                if(WYSIWYG_Core.isMSIE) {
                        if(sel.type == "Control" && range.length == 1) {        
                                range = WYSIWYG.getTextRange(range(0));
                                range.select();
                        }
                }

                // find a parent TABLE element
                //table = WYSIWYG.findParent("table", range);
                                
                // check if parent is found
                //var update = (table == null) ? false : true;
                //if(!update) table = tbl;
                table = tbl;
                
                // add rows and cols
                var rows = WYSIWYG_Core.getAttribute(tbl, "tmprows");
                var cols = WYSIWYG_Core.getAttribute(tbl, "tmpcols");
                WYSIWYG_Core.removeAttribute(tbl, "tmprows");
                WYSIWYG_Core.removeAttribute(tbl, "tmpcols");
                for(var i=0;i<rows;i++) {
                        var tr = doc.createElement("tr");
                        for(var j=0;j<cols;j++){
                                var td = createTD();
                                tr.appendChild(td);        
                        }
                        table.appendChild(tr);
                }
                
                // on update exit here
                //if(update) { return; }
        
                // Check if IE or Mozilla (other)
                if (WYSIWYG_Core.isMSIE) {
                        range.pasteHTML(table.outerHTML);   
                }
                else {
                        WYSIWYG.insertNodeAtSelection(table, n);
                }
                
                // refresh table highlighting
                this.refreshHighlighting(n);
                
                
                
                
                 // functions
                function createTD() {
                        var td = doc.createElement("td");
                        td.innerHTML = "&nbsp;";
                        return td;
                }
                 
        },

        /**
         * Enables the table highlighting
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */
        refreshHighlighting: function(n) {
                var doc = WYSIWYG.getEditorWindow(n).document;
                var tables = doc.getElementsByTagName("table");        
                for(var i=0;i<tables.length;i++) {
                        this._enableHighlighting(tables[i]);
                }
                var tds = doc.getElementsByTagName("td");        
                for(var i=0;i<tds.length;i++) {
                        this._enableHighlighting(tds[i]);
                }
        },
        
        /**
         * Enables the table highlighting
         * 
         * @param {String} n The editor identifier (the textarea's ID)
         */
        disableHighlighting: function(n) {
                var doc = WYSIWYG.getEditorWindow(n).document;
                var tables = doc.getElementsByTagName("table");        
                for(var i=0;i<tables.length;i++) {
                        this._disableHighlighting(tables[i]);
                }
                var tds = doc.getElementsByTagName("td");        
                for(var i=0;i<tds.length;i++) {
                        this._disableHighlighting(tds[i]);
                }
        
        },
        
        /**
         * @private
         */
        _enableHighlighting: function(node) {
                var style = WYSIWYG_Core.getAttribute(node, "style");        
                if(style == null) style = " ";
                //alert("ENABLE: ELM = " + node.tagName + "; STYLE = " + style);
                WYSIWYG_Core.removeAttribute(node, "prevstyle");
                WYSIWYG_Core.setAttribute(node, "prevstyle", style);
                WYSIWYG_Core.setAttribute(node, "style", "border:1px dashed #AAAAAA;");
        },
        
        /**
         * @private
         */
        _disableHighlighting: function(node) {
                var style = WYSIWYG_Core.getAttribute(node, "prevstyle");
                //alert("DISABLE: ELM = " + node.tagName + "; STYLE = " + style);
                // if no prevstyle is defined, the table is not in highlighting mode
                if(style == null || style == "") { 
                        this._enableHighlighting(node); 
                        return; 
                }                        
                WYSIWYG_Core.removeAttribute(node, "prevstyle");
                WYSIWYG_Core.removeAttribute(node, "style");
                WYSIWYG_Core.setAttribute(node, "style", style);
        }
}


/**
 * Get an element by it's identifier
 *
 * @param id Element identifier
 */
function $(id) {
        return document.getElementById(id);
}

/**
 * Emulates insertAdjacentHTML(), insertAdjacentText() and 
 * insertAdjacentElement() three functions so they work with Netscape 6/Mozilla
 * by Thor Larholm me@jscript.dk
 */
if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
        HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode) {
          switch (where){
                case 'beforeBegin':
                        this.parentNode.insertBefore(parsedNode,this);
                        break;
                case 'afterBegin':
                        this.insertBefore(parsedNode,this.firstChild);
                        break;
                case 'beforeEnd':
                        this.appendChild(parsedNode);
                        break;
                case 'afterEnd':
                        if (this.nextSibling) { 
                                this.parentNode.insertBefore(parsedNode,this.nextSibling); 
                        }
                        else { 
                                this.parentNode.appendChild(parsedNode); 
                        }
                        break;
          }
        };

        HTMLElement.prototype.insertAdjacentHTML = function (where,htmlStr) {
                var r = this.ownerDocument.createRange();
                r.setStartBefore(this);
                var parsedHTML = r.createContextualFragment(htmlStr);
                this.insertAdjacentElement(where,parsedHTML);
        };


        HTMLElement.prototype.insertAdjacentText = function (where,txtStr) {
                var parsedText = document.createTextNode(txtStr);
                this.insertAdjacentElement(where,parsedText);
        };
}