function changeClass(element, newClassName) {
		if (element) {
			element.className = newClassName;
		}
	}
	
	function goToLocationTop(newLocation, target) {
		
		if (target != '') {
			eval("parent." + target + ".document.location = '" + newLocation + "'");
			//document.location = "leftbar_top.php";
		} else {
			document.location = newLocation;
		}
	}
	
	function goToLocationBottom(newLocation, target) {
		
		if (target != '') {
			eval("parent." + target + ".document.location = '" + newLocation + "'");
			//document.location = "leftbar_bottom.php";
		} else {
			document.location = newLocation;
		}
	}
	
	function goToLocation1(newLocation, target) {
		
		if (target != '') {
			eval("parent." + target + ".document.location = '" + newLocation + "'");
		} else {
			document.location = newLocation;
		}
	}