<script><![CDATA[ 
		zk.afterLoad('zul.menu', function() {
			var xMenubar = {};
			zk.override(zul.menu.Menubar.prototype, xMenubar ,{
				_checkScrolling: function () {
					if (!this.checkScrollable()) return;
			
					var node = this.$n();
					if (!node) return;
					jq(node).addClass(this.$s('scroll'));
			
					var nodeWidth = zk(node).offsetWidth(),
						body = this.$n('body'),
						childs = jq(this.$n('cave')).children(),
						totalWidth = 0;
			
					for (var i = childs.length; i--;)
						if(zk(childs[i]).$().isVisible())
							totalWidth += jq(childs[i]).outerWidth(true); 
			
					if (zk.ie) 
						totalWidth += childs.length;
			
					if (totalWidth >= nodeWidth)
						this._scrolling = true;
					else {
						this._scrolling = false;
						body.scrollLeft = 0;
						 
						body.style.width = '';
					}
					this._fixButtonPos(node);
			
					var fixedSize = nodeWidth - zk(this.$n('left')).offsetWidth() - zk(this.$n('right')).offsetWidth();
					if (this._scrolling) {
						body.style.width = jq.px0(fixedSize);
						this._fixScrollPos(node);
					}
				}
			});//zk.override
		});//zk.afterLoad
	]]></script>