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 toggle(obj) {
		var el = $(obj);
		el.style.display = (el.style.display != 'block' ? 'block' : '' );
	}
	
	function getposOffset(overlay, offsettype){
		var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
		var parentEl=overlay.offsetParent;
			while (parentEl!=null){
				totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
				parentEl=parentEl.offsetParent;
			}
		return totaloffset;
	}