Buttons werden nicht (richtig) angezeigt

PHP-Code:
var messageEditor = Class.create();

messageEditor.prototype = {
    openTags: new Array(),
    toolbarHeight: 0,
    currentTheme: '',
    themePath: '',
    openDropDownMenu: null,

    setTheme: function(theme)
    {
        if(this.currentTheme != '' || $('editorTheme')) {
            $('editorTheme').remove();
        }

        var stylesheet = document.createElement('link');
        stylesheet.setAttribute('rel', 'stylesheet');
        stylesheet.setAttribute('type', 'text/css');
        stylesheet.setAttribute('href', this.baseURL + 'editor_themes/'+theme+'/stylesheet.css');
        document.getElementsByTagName('head')[0].appendChild(stylesheet);
        this.currentTheme = theme;
        this.themePath = this.baseURL + 'editor_themes/'+theme;
    },

    initialize: function(textarea, options)
    {
        // Sorry Konqueror, but due to a browser bug out of control with textarea values
        // you do not get to use the fancy editor.

        if(MyBB.browser == "konqueror" || (typeof(mybb_editor_disabled) != "undefined" && mybb_editor_disabled == true))
        {
            return false;
        }

        // Establish the base path to this javascript file
        $$('script').each(function(script) {
            if(script.src && script.src.indexOf('editor.js') != -1) {
                this.baseURL = script.src.replace(/editor\.js(.*?)$/, '');
            }
        }, this);

        this.options = options;

        if(this.options)
        {
            if(!this.options.lang)
            {
                return false;
            }

            if(!this.options.rtl)
            {
                this.options.rtl = 0;
            }
        }

        if(this.options && this.options.theme)
        {
            this.setTheme(this.options.theme);
        }
        else
        {
            this.setTheme('default');
        }

        // Defines an array of fonts to be shown in the font drop down.
        this.fonts = new Object();
        this.fonts["Arial"] = "Arial";
        this.fonts["Courier"] = "Courier";
        this.fonts["Impact"] = "Impact";
        this.fonts["Tahoma"] = "Tahoma";
        this.fonts["Times New Roman"] = "Times New Roman";
        this.fonts["Trebuchet MS"] = "Trebuchet MS";
        this.fonts["Verdana"] = "Verdana";

        // An array of font sizes to be shown.
        this.sizes = new Object();
        this.sizes["xx-small"] = this.options.lang.size_xx_small;
        this.sizes["x-small"] = this.options.lang.size_x_small;
        this.sizes["small"] = this.options.lang.size_small;
        this.sizes["medium"] = this.options.lang.size_medium;
        this.sizes["large"] = this.options.lang.size_large;
        this.sizes["x-large"] = this.options.lang.size_x_large;
        this.sizes["xx-large"] = this.options.lang.size_xx_large;

        // An array of colours to be shown.
        this.colors = new Object();
        this.colors[1] = "#800000";
        this.colors[2] = "#8B4513";
        this.colors[3] = "#006400";
        this.colors[4] = "#2F4F4F";
        this.colors[5] = "#000080";
        this.colors[6] = "#4B0082";
        this.colors[7] = "#800080";
        this.colors[8] = "#000000";
        this.colors[9] = "#FF0000";
        this.colors[10] = "#DAA520";
        this.colors[11] = "#6B8E23";
        this.colors[12] = "#708090";
        this.colors[13] = "#0000CD";
        this.colors[14] = "#483D8B";
        this.colors[15] = "#C71585";
        this.colors[16] = "#696969";
        this.colors[17] = "#FF4500";
        this.colors[18] = "#FFA500";
        this.colors[19] = "#808000";
        this.colors[20] = "#4682B4";
        this.colors[21] = "#1E90FF";
        this.colors[22] = "#9400D3";
        this.colors[23] = "#FF1493";
        this.colors[24] = "#A9A9A9";
        this.colors[25] = "#FF6347";
        this.colors[26] = "#FFD700";
        this.colors[27] = "#32CD32";
        this.colors[28] = "#87CEEB";
        this.colors[29] = "#00BFFF";
        this.colors[30] = "#9370DB";
        this.colors[31] = "#FF69B4";
        this.colors[32] = "#DCDCDC";
        this.colors[33] = "#FFDAB9";
        this.colors[34] = "#FFFFE0";
        this.colors[35] = "#98FB98";
        this.colors[36] = "#E0FFFF";
        this.colors[37] = "#87CEFA";
        this.colors[38] = "#E6E6FA";
        this.colors[39] = "#DDA0DD";
        this.colors[40] = "#FFFFFF";


        // Here we get the ID of the textarea we're replacing and store it.
        this.textarea = textarea;

        // Only swap it over once the page has loaded (add event)
        if(MyBB.page_loaded == 1)
        {
            this.showEditor();
        }
        else
        {
            Event.observe(document, "dom:loaded", this.showEditor.bindAsEventListener(this));
        }
    },

    showEditor: function()
    {
        // Assign the old textarea to a variable for later use.
        oldTextarea = $(this.textarea);

        // Now this.textarea becomes the new textarea ID
        this.textarea += "_new";

        // Begin the creation of our new editor.

        this.editor = document.createElement("div");
        this.editor.style.position = "relative";
        this.editor.style.display = "none";
        this.editor.className = "messageEditor";

        // Append the new editor
        oldTextarea.parentNode.insertBefore(this.editor, oldTextarea);

        // Determine the overall height and width - messy, but works
        w = oldTextarea.getDimensions().width+"px";
        if(!w || parseInt(w) < 400)
        {
            w = "400px";
        }
        if(this.options && this.options.height)
        {
            h = this.options.height;
        }
        else if(oldTextarea.offsetHeight)
        {
            h = oldTextarea.offsetHeight+"px";
        }
        else if(oldTextarea.clientHeight)
        {
            h = oldTextarea.clientHeight+"px";
        }
        else if(oldTextarea.style.height)
        {
            h = oldTextarea.style.height;
        }
        else
        {
            h = "400px";
        }
        this.editor.style.width = w;
        this.editor.style.height = h;

        this.createToolbarContainer('top');

        this.createToolbar('closetags', {
            container: 'top',
            alignment: 'right',
            items: [
                {type: 'button', name: 'close_tags', insert: 'zzzz', sprite: 'close_tags', width: 80, style: {visibility: 'hidden'}}
            ]
        });
        this.createToolbar('topformatting', {
            container: 'top',
            items: [
                {type: 'dropdown', name: 'font', insert: 'font', title: this.options.lang.font, options: this.fonts},
                {type: 'dropdown', name: 'size', insert: 'size', title: this.options.lang.size, options: this.sizes},
                {type: 'button', name: 'color', insert: 'color', dropdown: true, color_select: true, image: 'color.gif', draw_option: this.drawColorOption, options: this.colors}            ]
        });

        this.createToolbarContainer('bottom');

        this.createToolbar('insertables', {
            container: 'bottom',
            alignment: 'right',
            items: [
                {type: 'button', name: 'list_num', sprite: 'list_num', insert: 'list', extra: 1, title: this.options.lang.title_numlist},
                {type: 'button', name: 'list_bullet', sprite: 'list_bullet', insert: 'list', title: this.options.lang.title_bulletlist},
                {type: 'separator'},
                {type: 'button', name: 'img', sprite: 'image', insert: 'image', extra: 1, title: this.options.lang.title_image},
                {type: 'button', name: 'url', sprite: 'link', insert: 'url', title: this.options.lang.title_hyperlink},
                {type: 'button', name: 'email', sprite: 'email', insert: 'email', extra: 1, title: this.options.lang.title_email},
                {type: 'separator'},
                {type: 'button', name: 'quote', sprite: 'quote', insert: 'quote', title: this.options.lang.title_quote},
                {type: 'button', name: 'code', sprite: 'code', insert: 'code', title: this.options.lang.title_code},
                {type: 'button', name: 'php', sprite: 'php', insert: 'php', title: this.options.lang.title_php},
                {type: 'button', name: 'hide', sprite: 'hide', insert: 'hide', title: this.options.lang.title_hide}
            ]
        });
        this.createToolbar('formatting', {
            container: 'bottom',
            items: [
                {type: 'button', name: 'b', sprite: 'bold', insert: 'b', title: this.options.lang.title_bold},
                {type: 'button', name: 'i', sprite: 'italic', insert: 'i', title: this.options.lang.title_italic},
                {type: 'button', name: 'u', sprite: 'underline', insert: 'u', title: this.options.lang.title_underline},
                {type: 'separator'},
                {type: 'button', name: 'align_left', sprite: 'align_left', insert: 'align', extra: 'left', title: this.options.lang.title_left},
                {type: 'button', name: 'align_center', sprite: 'align_center', insert: 'align', extra: 'center', title: this.options.lang.title_center},
                {type: 'button', name: 'align_right', sprite: 'align_right', insert: 'align', extra: 'right', title: this.options.lang.title_right},
                {type: 'button', name: 'align_justify', sprite: 'align_justify', insert: 'align', extra: 'justify', title: this.options.lang.title_justify}
            ]
        });

        // Create our new text area
        areaContainer = document.createElement("div");
        areaContainer.style.clear = "both";

        // Set the width/height of the area
        subtract = 16;
        if(MyBB.browser == 'ie') subtract += 5;
        subtract2 = 7;
        if(MyBB.browser == 'ie') subtract2 += 6;
        areaContainer.style.height = parseInt(Element.getDimensions(this.editor).height)-this.toolbarHeight-subtract+"px";
        areaContainer.style.width = parseInt(Element.getDimensions(this.editor).width)-subtract2+"px";

        // Create text area
        textInput = document.createElement("textarea");
        textInput.setAttribute("cols", oldTextarea.getAttribute("cols"));
        textInput.setAttribute("rows", oldTextarea.getAttribute("rows"));
        textInput.id = this.textarea;
        textInput.name = oldTextarea.name+"_new";
        textInput.style.height = parseInt(areaContainer.style.height)+"px";
        textInput.style.width = parseInt(areaContainer.style.width)+"px";

        if(oldTextarea.value != '')
        {
            textInput.value = oldTextarea.value;
        }

        if(oldTextarea.tabIndex)
        {
            textInput.tabIndex = oldTextarea.tabIndex;
        }

        areaContainer.appendChild(textInput);
        this.editor.appendChild(areaContainer);

        if(oldTextarea.form)
        {
            Event.observe(oldTextarea.form, "submit", this.closeTags.bindAsEventListener(this));
            Event.observe(oldTextarea.form, "submit", this.updateOldArea.bindAsEventListener(this));
        }

        // Hide the old editor
        oldTextarea.style.visibility = "hidden";
        oldTextarea.style.position = "absolute";
        oldTextarea.style.top = "-1000px";
        oldTextarea.id += "_old";
        this.oldTextarea = oldTextarea;

        this.editor.style.display = "";
        Event.observe(textInput, "keyup", this.updateOldArea.bindAsEventListener(this));

        if(MyBB.browser == 'ie') {
            Event.observe($(this.textarea), 'focus', function() {
                this.trackingCaret = true;
            }.bindAsEventListener(this));
            Event.observe($(this.textarea), 'blur', function() {
                this.trackingCaret = false;
            }.bindAsEventListener(this));
            Event.observe($(this.textarea), 'mousedown', function() {
                this.trackingCaret = true;
                this.storeCaret();
            }.bindAsEventListener(this));
        }

        Event.observe(textInput, "blur", this.updateOldArea.bindAsEventListener(this));
    },

    drawColorOption: function(option)
    {
        var item = document.createElement('li');
        item.extra = option.value;
        item.className = 'editor_dropdown_color_item';
        item.innerHTML = '<a style="background-color: '+option.value+'"></a>';
        return item;
    },

    createToolbarContainer: function(name)
    {
        if($('editor_toolbar_container_'+name)) return;

        var container = document.createElement("div");
        container.id = 'editor_toolbar_container_'+name;
        container.className = 'toolbar_container';

        this.editor.appendChild(container);

        this.toolbarHeight += 28;

        return container;
    },

    createToolbar: function(name, options)
    {
        if(typeof(options.container) == 'undefined')
        {
            options.container = this.createToolbarContainer('auto_'+name);
        }
        else {
            options.container = $('editor_toolbar_container_'+options.container);
            if(!options.container) return;
        }

        if($('editor_toolbar_'+name)) return;

        var toolbar = document.createElement('div');
        toolbar.id = 'editor_toolbar_'+name;
        toolbar.className = 'toolbar';

        var clear = document.createElement('br');
        clear.style.clear = 'both';
        toolbar.appendChild(clear);

        if(options.alignment && options.alignment == 'right') {
            toolbar.className += ' float_right';
        }
        options.container.appendChild(toolbar);
        if(typeof(options.items) == 'object') {
            for(var i = 0; i < options.items.length; ++i) {
                this.addToolbarItem(toolbar, options.items[i]);
            }
        }
        // add closing item
        if(toolbar.lastChild.previousSibling)
            toolbar.lastChild.previousSibling.className += ' toolbar_button_group_last';
    },
    
    setElementState: function(element, state) {
        element.addClassName('toolbar_'+state);
        
        if(element.hasClassName('toolbar_button_group_first')) {
            if(state == 'clicked') {
                append = 'toolbar_clicked';
            }
            else if(state == 'hover') {
                append = 'toolbar_hover';
            }
            append += '_button_group_first';
            element.addClassName(append);
        }
        
        if(element.hasClassName('toolbar_button_group_last')) {
            if(state == 'clicked') {
                append = 'toolbar_clicked';
            }
            else if(state == 'hover') {
                append = 'toolbar_hover';
            }
            append += '_button_group_last';
            element.addClassName(append);
        }
    },
    
    removeElementState: function(element, state)
    {
        element.removeClassName('toolbar_'+state);
        
        if(element.hasClassName('toolbar_button_group_first')) {
            if(state == 'clicked') {
                append = 'toolbar_clicked';
            }
            else if(state == 'hover') {
                append = 'toolbar_hover';
            }
            append += '_button_group_first';
            element.removeClassName(append);
        }
        
        if(element.hasClassName('toolbar_button_group_last')) {
            if(state == 'clicked') {
                append = 'toolbar_clicked';
            }
            else if(state == 'hover') {
                append = 'toolbar_hover';
            }
            append += '_button_group_last';
            element.removeClassName(append);
        }    
    },

    dropDownMenuItemClick: function(e)
    {
        this.restartEditorSelection();
        element = Event.element(e);

        if(!element)
            return;

        if(!element.extra)
            element = element.up('li');

        var mnu = element.up('ul');
        var dropdown = this.getElementToolbarItem(mnu);
        var label = dropdown.down('.editor_dropdown_label');

        if(!dropdown.insertText || (mnu.activeItem && mnu.activeItem == element))
            return;

        this.insertMyCode(dropdown.insertText, element.extra);
        mnu.lastItemValue = element.extra;

        if(this.getSelectedText($(this.textarea)))
        {
            this.setDropDownMenuActiveItem(dropdown, 0);
        }
        else
        {
            if(label)
            {
                label.innerHTML = element.innerHTML;
                label.style.overflow = 'hidden';
            }
            var sel_color = dropdown.down('.editor_button_color_selected')
            if(sel_color)
            {
                sel_color.style.backgroundColor = element.extra;
                var use_default = dropdown.down('.editor_dropdown_color_item_default');
                if(use_default) use_default.style.display = '';
            }
            mnu.activeItem = element;
            element.addClassName('editor_dropdown_menu_item_active');
        }
        this.hideOpenDropDownMenu();
        Event.stop(e);
    },

    setDropDownMenuActiveItem: function(element, index)
    {
        if(element == null)
        {
            return;
        }
        var mnu = element.down('ul');
        var label = element.down('.editor_dropdown_label');

        if(mnu.activeItem)
        {
            mnu.activeItem.removeClassName('editor_dropdown_menu_item_active');
            mnu.activeItem = null;
        }

        if(index > 0)
        {
            var item = mnu.childNodes[index];
            if(!item) return;
            mnu.activeItem = item;
            if(label)
            {
                label.innerHTML = item.innerHTML;
            }

            var sel_color = element.down('.editor_dropdown_color_selected')
            if(sel_color)
            {
                sel_color.style.backgroundColor = item.style.backgroundColor;
                mnu.lastItemValue = item.insertExtra;
                var use_default = element.down('.editor_dropdown_color_item_default');
                if(use_default) use_default.style.display = '';
            }
            item.addClassName('editor_dropdown_menu_item_active');
        }
        else
        {
            if(label)
            {
                label.innerHTML = mnu.childNodes[0].innerHTML;
            }

            var sel_color = element.down('.editor_button_color_selected')
            if(sel_color)
            {
                //sel_color.style.backgroundColor = '';
                var use_default = element.down('.editor_dropdown_color_item_default');
                if(use_default) use_default.style.display = 'none';
            }
            this.removeElementState(element, 'clicked');
        }
    },

    createDropDownMenu: function(options)
    {
        var dropdown = document.createElement('div');
        dropdown.itemType = options.type;
        if(options.image || options.sprite)
            dropdown.className = 'toolbar_dropdown_image';
        else
            dropdown.className = 'toolbar_dropdown';

        dropdown.className += ' editor_dropdown toolbar_dropdown_'+options.name;
        dropdown.id = 'editor_item_'+options.name;

        Event.observe(dropdown, 'mouseover', function()
        {
            this.storeCaret();
            dropdown.addClassName('toolbar_dropdown_over');
        }.bindAsEventListener(this));
        Event.observe(dropdown, 'mouseout', function()
        {
            this.storeCaret();
            dropdown.removeClassName('toolbar_dropdown_over');
        }.bindAsEventListener(this));
        dropdown.insertText = options.insert;

        // create the dropdown label container
        var label = document.createElement('div');
        label.className = 'editor_dropdown_label';
        if(options.title)
        {
            label.innerHTML = options.title;
        }
        else
        {
            label.innerHTML = '&nbsp;';
        }
        dropdown.appendChild(label)

        // create the arrow
        var arrow = document.createElement('div');
        arrow.className = 'editor_dropdown_arrow';
        dropdown.appendChild(arrow);

        // create the menu item container
        var mnu = this.buildDropDownMenu(options);

        Event.observe(dropdown, 'click', this.toggleDropDownMenu.bindAsEventListener(this));
        dropdown.appendChild(mnu);
        return dropdown;
    },

    buildDropDownMenu: function(options)
    {
        var mnu = document.createElement('ul');
        mnu.className = 'editor_dropdown_menu';
        mnu.style.display = 'none';

        // create the first item
        if(options.title)
        {
            var item = document.createElement('li');
            item.className = 'editor_dropdown_menu_title';
            item.innerHTML = options.title;
            mnu.appendChild(item);
            Event.observe(item, 'click', function()
            {
                if(mnu.activeItem)
                {
                    this.restartEditorSelection();
                    this.insertMyCode(dropdown.insertText, '-');
                }
                this.setDropDownMenuActiveItem(dropdown, 0);
            }.bindAsEventListener(this));
        }

        $H(options.options).each(function(option)
        {
            if(options.draw_option)
            {
                item = options.draw_option(option)
            }
            else
            {
                var item = document.createElement('li');
                item.innerHTML = option.value;

                var content = document.createElement('span');
                item.appendChild(content);
                item.extra = option.key;
            }
            Event.observe(item, 'click', this.dropDownMenuItemClick.bindAsEventListener(this));
            Event.observe(item, 'mouseover', function()
            {
                item.addClassName('editor_dropdown_menu_item_over');
            });
            Event.observe(item, 'mouseout', function()
            {
                item.removeClassName('editor_dropdown_menu_item_over');
            });
            mnu.appendChild(item);
        }, this);
        return mnu;
    },

    toggleDropDownMenu: function(e)
    {
        element = Event.element(e);
        if(!element)
            return;
        if(!element.itemType)
            element = this.getElementToolbarItem(element);
        
        var mnu = $(element).down('ul');
        
        // This menu is already open, close it
        if(mnu.style.display != 'none')
        {
            mnu.style.display = 'none';
            element.removeClassName('editor_dropdown_menu_open');
            this.removeElementState(element, 'clicked');
            this.openDropDownMenu = null;
            Event.stopObserving(document, 'click', this.hideOpenDropDownMenu.bindAsEventListener(this));
        }
        // Opening this menu
        else
        {
            // If a menu is already open, close it first
            this.showDropDownMenu(mnu);
        }
        this.removeElementState(element, 'clicked');
        Event.stop(e);
    },

    showDropDownMenu: function(mnu)
    {
        this.hideOpenDropDownMenu();
        mnu.style.display = '';
        element = this.getElementToolbarItem(mnu);
        element.addClassName('editor_dropdown_menu_open');
        this.setElementState(element, 'clicked');
        this.openDropDownMenu = mnu;
        Event.observe(document, 'click', this.hideOpenDropDownMenu.bindAsEventListener(this));
    },

    hideOpenDropDownMenu: function()
    {
        if(!this.openDropDownMenu) return;
        this.openDropDownMenu.style.display = 'none';
        this.getElementToolbarItem(this.openDropDownMenu).removeClassName('editor_dropdown_menu_open');
        var dropDown = this.getElementToolbarItem(this.openDropDownMenu);
        this.removeElementState(element, 'clicked');
        this.openDropDownMenu = null;
        Event.stopObserving(document, 'click', this.hideOpenDropDownMenu.bindAsEventListener(this));
    },

    getElementToolbarItem: function(elem)
    {
        var parent = elem;
        do {
            if(parent.insertText) return parent;
            parent = parent.parentNode;
        } while($(parent));

        return false;
    },

    storeCaret: function()
    {
        if(MyBB.browser != 'ie' || !this.trackingCaret)
        {
            return;
        }
        
        var range = document.selection.createRange();
        var range_all = document.body.createTextRange();
        range_all.moveToElementText($(this.textarea));
        for(var sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
            range_all.moveStart('character', 1);

        var range_all = document.body.createTextRange();
        range_all.moveToElementText($(this.textarea));
        for(var sel_end = 0; range_all.compareEndPoints('StartToEnd', range) < 0; sel_end++)
            range_all.moveStart('character', 1);

        this.lastCaretS = sel_start;
        this.lastCaretE = sel_end;
    },

    restartEditorSelection: function()
    {
        if(MyBB.browser != 'ie')
        {
            return;
        }

        var range = $(this.textarea).createTextRange();
        range.collapse(true);
        range.moveStart('character', this.lastCaretS);
        range.moveEnd('character', this.lastCaretE - this.lastCaretS);
        range.select();
    },

    addToolbarItem: function(toolbar, options)
    {
        if(typeof(toolbar) == 'string')
        {
            toolbar = $('editor_toolbar_'+toolbar);
        }

        if(!$(toolbar)) return;

        // Does this item already exist?
        if($('editor_item_'+options.name)) return;

        insert_first_class = false;

        // Is this the first item? childnodes = 1 (closing br) or lastchild.previousSibling = sep
        if(toolbar.childNodes.length == 1 || (toolbar.lastChild.previousSibling && toolbar.lastChild.previousSibling.className.indexOf('toolbar_sep') > -1 || (toolbar.lastChild.previousSibling.className.indexOf('editor_dropdown') > -1 && options.type != 'dropdown')))
        {
            insert_first_class = true;
        }

        if(options.type == "dropdown")
        {
            var dropdown = this.createDropDownMenu(options);
            if(dropdown)
                toolbar.insertBefore(dropdown, toolbar.lastChild);

            if(insert_first_class == true)
                dropdown.className += ' toolbar_dropdown_group_first';
        }
        else if(options.type == 'button')
        {
            var button = this.createToolbarButton(options)
            toolbar.insertBefore(button, toolbar.lastChild);

            if(insert_first_class == true)
                button.className += ' toolbar_button_group_first';
        }
        else if(options.type == 'separator')
        {
            if(toolbar.lastChild.previousSibling && !$(toolbar.lastChild.previousSibling).hasClassName('toolbar_dropdown'))
            {
                toolbar.lastChild.previousSibling.className += ' toolbar_button_group_last';
            }
            var separator = document.createElement("span");
            separator.itemType = options.type;
            separator.className = "toolbar_sep";
            toolbar.insertBefore(separator, toolbar.lastChild);
        }
    },

    createToolbarButton: function(options)
    {
        var button = document.createElement('span');
        button.itemType = options.type;
        button.id = 'editor_item_'+options.name;
        if(typeof(options.title) != 'undefined')
        {
            button.title = options.title;
        }
        button.className = 'toolbar_button toolbar_normal toolbar_button_'+options.name;

        if(typeof(options.style) == 'object')
        {
            $H(options.style).each(function(item) {
                eval('button.style.'+item.key+' = "'+item.value+'";');
            });
        }
        button.insertText = options.insert;
        button.insertExtra = '';
        if(typeof(options.extra) != 'undefined')
            button.insertExtra = options.extra;

        if(typeof(options.sprite) != 'undefined')
        {
            var img = document.createElement('span');
            img.className = 'toolbar_sprite toolbar_sprite_'+options.sprite;
        }
        else
        {
            var img = document.createElement('img');
            img.src = this.themePath + "/images/" + options.image;
        }
        button.appendChild(img);

        if(options.dropdown)
        {
            if(options.color_select == true)
            {
                var sel = document.createElement('em');
                sel.className = 'editor_button_color_selected';
                button.appendChild(sel);
            }
            // create the arrow
            var arrow = document.createElement('u');
            arrow.className = 'toolbar_button_arrow';
            button.appendChild(arrow);
            button.className += ' toolbar_button_with_arrow';
        }

        var end = document.createElement('strong');
        button.appendChild(end);

        // Create the actual drop down menu
        if(options.dropdown)
        {
            // create the menu item container
            var mnu = this.buildDropDownMenu(options);

            Event.observe(arrow, 'click', this.toggleDropDownMenu.bindAsEventListener(this));
            Event.observe(arrow, 'mouseover', function(e)
            {
                elem = Event.element(e);
                if(!elem) return;
                elem.parentNode.addClassName('toolbar_button_over_arrow');
            });
            Event.observe(arrow, 'mouseout', function(e)
            {
                elem = Event.element(e);
                if(!elem) return;
                elem.parentNode.removeClassName('toolbar_button_over_arrow');
            });
            button.appendChild(mnu);
            button.dropdown = true;
            button.menu = mnu;
        }

        // Does this button have enabled/disabled states?
        if(options.disabled_img || options.disabled_sprite)
        {
            button.disable = function()
            {
                if(button.disabled == true) return;

                if(options.disabled_sprite)
                {
                    img.removeClassName('toolbar_sprite_'+options.sprite);
                    img.addClassName('toolbar_sprite_disabled_'+options.disabled_sprite);
                }
                else
                    img.src = this.themePath + '/images/' + options.disabled_img;

                button.disabled = true;
            };

            button.enable = function()
            {
                if(!button.disabled) return;

                if(options.disabled_sprite)
                {
                    img.removeClassName('toolbar_sprite_disabled_'+options.disabled_sprite);
                    img.addClassName('toolbar_sprite_'+options.sprite);
                }
                else
                    img.src = this.themePath + '/images/' + options.image;

                button.enabled = true;
            };

            if(options.disabled && options.disabled == true)
            {
                button.disable();
                button.disabled = true;
            }
            else
                button.disabled = false;
        }

        Event.observe(button, "mouseover", this.toolbarItemHover.bindAsEventListener(this));
        Event.observe(button, "mouseout", this.toolbarItemOut.bindAsEventListener(this));
        Event.observe(button, "click", this.toolbarItemClick.bindAsEventListener(this));
        return button;
    },

    updateOldArea: function(e)
    {
        this.oldTextarea.value = $(this.textarea).value;
    },

    toolbarItemOut: function(e)
    {
        this.storeCaret();
        element = Event.element(e);

        if(!element)
            return false;

        if(!element.itemType)
            element =     this.getElementToolbarItem(element);

        if(element.disabled)
            return;

        if(typeof(element.insertText) != 'undefined')
        {
            if(element.insertExtra)
            {
                insertCode = element.insertText+"_"+element.insertExtra;
            }
            else
            {
                insertCode = element.insertText;
            }

            if(this.openTags.indexOf(insertCode) != -1 || element.className.indexOf('editor_dropdown_menu_open') > -1)
            {
                this.setElementState(element, 'clicked');
            }
        }
        this.removeElementState(element, 'hover');
    },

    toolbarItemHover: function(e)
    {
        this.storeCaret();
        element = Event.element(e);
        if(!element)
            return false;

        if(!element.itemType)
            element = this.getElementToolbarItem(element);

        if(element.disabled)
            return;

        if(!element.className || element.className.indexOf('toolbar_clicked') == -1)
            this.setElementState(element, 'hover');
    },

    toolbarItemClick: function(e)
    {
        element = Event.element(e);

        if(!element)
            return false;

        if(!element.itemType)
            element = this.getElementToolbarItem(element);

        if(element.disabled)
            return;

        if(element.dropdown && element.menu)
        {
            if(!element.menu.activeItem)
            {
                Event.stop(e);
                if(!element.menu.lastItemValue)
                {
                    this.showDropDownMenu(element.menu);
                }
                else
                {
                    this.insertMyCode(element.insertText, element.menu.lastItemValue);
                }

                return;
            }
        }

        if(element.id == "editor_item_close_tags")
        {
            this.closeTags();
        }
        else
        {
            if(typeof(element.insertExtra) != 'undefined')
                this.insertMyCode(element.insertText, element.insertExtra);
            else
                this.insertMyCode(element.insertText);
        }
    },

    insertList: function(type)
    {
        list = "";

        do
        {
            listItem = prompt(this.options.lang.enter_list_item, "");

            if(listItem != "" && listItem != null)
            {
                list = list+"[*]"+listItem+"\n";
            }
        }
        while(listItem != "" && listItem != null);

        if(list == "")
        {
            return false;
        }

        if(type)
        {
            list = "[list="+type+"]\n"+list;
        }
        else
        {
            list = "[list]\n"+list;
        }

        list = list+"[/list]\n";
        this.performInsert(list, "", true, false);
    },

    insertURL: function()
    {
        selectedText = this.getSelectedText($(this.textarea));
        url = prompt(this.options.lang.enter_url, "http://");

        if(url)
        {
            if(!selectedText)
            {
                title = prompt(this.options.lang.enter_url_title, "");
            }
            else
            {
                title = selectedText;
            }

            if(title)
            {
                this.performInsert("[url="+url+"]"+title+"[/url]", "", true, false);
            }
            else
            {
                this.performInsert("[url]"+url+"[/url]", "", true, false);
            }
        }
    },

    insertEmail: function()
    {
        selectedText = this.getSelectedText($(this.textarea));
        email = prompt(this.options.lang.enter_email, "");

        if(email)
        {
            if(!selectedText)
            {
                title = prompt(this.options.lang.enter_email_title, "");
            }
            else
            {
                title = selectedText;
            }

            if(title)
            {
                this.performInsert("[email="+email+"]"+title+"[/email]", "", true, false);
            }
            else
            {
                this.performInsert("[email]"+email+"[/email]", "", true, false);
            }
        }
    },

    insertIMG: function()
    {
        image = prompt(this.options.lang.enter_image, "http://");

        if(image)
        {
            this.performInsert("[img]"+image+"[/img]", "", true);
        }
    },

    insertMyCode: function(code, extra)
    {
        this.restartEditorSelection();

        switch(code)
        {
            case "list":
                this.insertList(extra);
                break;
            case "url":
                this.insertURL();
                break;
            case "image":
                this.insertIMG();
                break;
            case "email":
                this.insertEmail();
                break;
            default:
                var already_open = false;
                var no_insert = false;
                if(extra)
                {
                    var full_tag = code+"_"+extra;
                }
                else
                {
                    var full_tag = code;
                }

                var newTags = new Array();
                this.openTags.each(function(tag)
                {
                    exploded_tag = tag.split("_");
                    if(exploded_tag[0] == code)
                    {
                        already_open = true;
                        this.performInsert("[/"+exploded_tag[0]+"]", "", false);
                        var elem = $('editor_item_'+exploded_tag[0]);

                        if(elem)
                        {
                            this.removeElementState(elem, 'clicked');
                        }

                        if(elem && (elem.itemType == "dropdown" || elem.dropdown || elem.menu))
                        {
                            this.setDropDownMenuActiveItem(elem, 0);
                        }

                        if(tag == full_tag)
                        {
                            no_insert = true;
                        }
                    }
                    else
                    {
                        newTags[newTags.length] = tag;
                    }
                }.bind(this));

                this.openTags = newTags;
                var do_insert = false;

                if(extra != "" && extra != "-" && no_insert == false)
                {
                    start_tag = "["+code+"="+extra+"]";
                    end_tag = "[/"+code+"]";
                    do_insert = true;
                }
                else if(!extra && already_open == false)
                {
                    start_tag = "["+code+"]";
                    end_tag = "[/"+code+"]";
                    do_insert = true;
                }

                if(do_insert == true)
                {
                    if(!this.performInsert(start_tag, end_tag, true))
                    {
                        this.openTags.push(full_tag);
                        $('editor_item_close_tags').style.visibility = '';
                    }
                    else if($('editor_item_'+full_tag))
                    {
                        this.removeElementState($('editor_item_'+full_tag), 'clicked');
                    }
                    else if($('editor_item_'+code))
                    {
                        elem = $('editor_item_'+code);
                        if(elem.type == "dropdown" || elem.dropdown || elem.menu)
                            this.setDropDownMenuActiveItem($('editor_item_'+start_tag), 0);
                    }
                }
        }

        if(this.openTags.length == 0)
        {
            $('editor_item_close_tags').style.visibility = 'hidden';
        }
    },

    getSelectedText: function(element)
    {
        element.focus();
        if(document.selection)
        {
            var selection = document.selection;
            var range = selection.createRange();

            if((selection.type == "Text" || selection.type == "None") && range != null)
            {
                return range.text;
            }
        }
        else if(element.selectionEnd)
        {
            var select_start = element.selectionStart;
            var select_end = element.selectionEnd;
            if(select_end <= 0)
            {
                select_end = element.textLength;
            }
            var start = element.value.substring(0, select_start);
            var middle = element.value.substring(select_start, select_end);
            return middle;
        }
    },

    performInsert: function(open_tag, close_tag, is_single, ignore_selection)
    {
        var is_closed = true;

        if(!ignore_selection)
        {
            var ignore_selection = false;
        }

        if(!close_tag)
        {
            var close_tag = "";
        }
        var textarea = $(this.textarea);
        textarea.focus();

        if(document.selection)
        {
            var selection = document.selection;
            var range = selection.createRange();

            if(ignore_selection != false)
            {
                selection.collapse;
            }

            if((selection.type == "Text" || selection.type == "None") && range != null && ignore_selection != true)
            {
                if(close_tag != "" && range.text.length > 0)
                {
                    var keep_selected = true;
                    range.text = open_tag+range.text+close_tag;
                }
                else
                {
                    var keep_selected = false;

                    if(is_single)
                    {
                        is_closed = false;
                    }
                    range.text = open_tag;
                }
                range.select();
            }
            else
            {
                textarea.value += open_tag;
            }
        }
        else if(typeof(textarea.selectionEnd) != 'undefined')
        {
            var select_start = textarea.selectionStart;
            var select_end = textarea.selectionEnd;
            var scroll_top = textarea.scrollTop;

            var start = textarea.value.substring(0, select_start);
            var middle = textarea.value.substring(select_start, select_end);
            var end = textarea.value.substring(select_end, textarea.textLength);

            if(select_end - select_start > 0 && ignore_selection != true && close_tag != "")
            {
                var keep_selected = true;
                middle = open_tag+middle+close_tag;
            }
            else
            {
                var keep_selected = false;
                if(is_single)
                {
                    is_closed = false;
                }
                middle = open_tag;
            }

            textarea.value = start+middle+end;

            if(keep_selected == true && ignore_selection != true)
            {
                textarea.selectionStart = select_start;
                textarea.selectionEnd = select_start + middle.length;
            }
            else if(ignore_selection != true)
            {
                textarea.selectionStart = select_start + middle.length;
                textarea.selectionEnd = textarea.selectionStart;
            }
            textarea.scrollTop = scroll_top;
        }
        else
        {
            textarea.value += open_tag;

            if(is_single)
            {
                is_closed = false;
            }
        }
        this.updateOldArea();
        textarea.focus();
        this.trackingCaret = true;
        this.storeCaret();
        this.trackingCaret = false;        
        return is_closed;
    },

    closeTags: function()
    {
        if(this.openTags[0])
        {
            while(this.openTags[0])
            {
                tag = this.openTags.pop();
                exploded_tag = tag.split("_");
                this.performInsert("[/"+exploded_tag[0]+"]", "", false);

                if($('editor_item_'+exploded_tag[0]))
                {
                    tag = $('editor_item_'+exploded_tag[0]);
                }
                else
                {
                    tag = $('editor_item_'+tag);
                }
                if(tag)
                {
                    if(tag.itemType == "dropdown" || tag.dropdown || tag.menu)
                    {
                        this.setDropDownMenuActiveItem(tag, 0);
                    }
                    else
                    {
                        this.removeElementState(tag, 'clicked');
                    }
                }
            }
        }
        $(this.textarea).focus();
        $('editor_item_close_tags').style.visibility = 'hidden';
        this.openTags = new Array();
    },

    bindSmilieInserter: function(id)
    {
        if(!$(id))
        {
            return false;
        }

        var smilies = $(id).select('.smilie');

        if(smilies.length > 0)
        {
            smilies.each(function(smilie)
            {
                smilie.onclick = this.insertSmilie.bindAsEventListener(this);
                smilie.style.cursor = "pointer";
            }.bind(this));
        }
    },

    openGetMoreSmilies: function(editor)
    {
        MyBB.popupWindow('misc.php?action=smilies&popup=true&editor='+editor, 'sminsert', 240, 280);
    },

    insertSmilie: function(e)
    {
        element = Event.element(e);

        if(!element || !element.alt)
        {
            return false;
        }
        this.performInsert(element.alt, "", true, false);
    },

    insertAttachment: function(aid)
    {
        this.performInsert("[attachment="+aid+"]", "", true, false);
    }
};