function switchMenu(obj) {
		var el = document.getElementById(obj);
		if (obj != null) {
		if ( el.style.display != 'none' ) {
			el.style.display = 'none';
		}
		else {
			el.style.display = '';
		}
		}
	}

	function $() {
		var elements = new Array();
		for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
			elements.push(element);
		}
		return elements;
	}
	
	function collapseAll(objs) {
		var i;
		for (i=0;i<objs.length;i++ ) {
			objs[i].style.display = 'none';
		}
	}
	
	function pageLoad() {
		<!-- collapseAll($('MenuContainer')); -->
		//switchMenu('MenuContainer');
		//switchMenu('SubMenuContainer');
		switchMenu('SubMenuContainer1'); 
	}
		
	addEvent(window,'load',pageLoad);