Ext.override(Ext.Element, {
    mask: function(msg, msgCls) {
        if(!Ext.isIE7 && this.getStyle("position") == "static"){
            this.setStyle("position", "relative");
        }

        if (this._maskMsg) { this._maskMsg.remove(); }
        if (this._mask){ this._mask.remove(); }
        
        this._mask = Ext.DomHelper.append(this.dom, {cls:"ext-el-mask"}, true);

        this.addClass("x-masked");
        this._mask.setDisplayed(true);
        if(typeof msg == 'string'){
            this._maskMsg = Ext.DomHelper.append(this.dom, {cls:"ext-el-mask-msg", cn:{tag:'div'}}, true);
            
            var mm = this._maskMsg;
            mm.dom.className = msgCls ? "ext-el-mask-msg " + msgCls : "ext-el-mask-msg";
            mm.dom.firstChild.innerHTML = msg;
            mm.setDisplayed(true);
            mm.center(this);
        }
        
        if(Ext.isIE && !(Ext.isIE7 && Ext.isStrict) && this.getStyle('height') == 'auto'){ 
            this._mask.setHeight(this.getHeight());
        }
        
        return this._mask;
    }
});
        
Ext.override(Ext.Toolbar, {
	addItem : function(item){
		var td = this.nextBlock();
		this.initMenuTracking(item);
		item.render(td);
		this.items.add(item);
		item.ownerCt = this;
		return item;
	},
	addButton : function(config){
		if(Ext.isArray(config)){
			var buttons = [];
			for(var i = 0, len = config.length; i < len; i++) {
				buttons.push(this.addButton(config[i]));
			}
			return buttons;
		}
		var b = config;
		if(!(config instanceof Ext.Toolbar.Button)){
			b = config.split ?
				new Ext.Toolbar.SplitButton(config) :
				new Ext.Toolbar.Button(config);
		}
		var td = this.nextBlock();
		this.initMenuTracking(b);
		b.render(td);
		this.items.add(b);
		b.ownerCt = this;
		return b;
	}
});