function menuOverLayerOn(menu) {
	var off = menu + '-off';
	var on = menu + '-on';
	
	//var classElementsOn = new Array();
	//classElementsOn = getElementsByClass('on');
	//var classElementsOff = new Array();
	//classElementsOff = getElementsByClass('off');

	//for (i = 0; i < classElementsOn.length; i++) {
	//	classElementsOn[i].style.display="none";
	//}
	//for (i = 0; i < classElementsOff.length; i++) {
	//	classElementsOff[i].style.display="inline";
	//}
	//document.getElementById(off).style.display="none";
	//document.getElementById(on).style.display="inline";
	
}

function menuOverLayerOff(menu) {
	var off = menu + '-off';
	var on = menu + '-on';
	
	//var classElementsOn = new Array();
	//classElementsOn = getElementsByClass('on');
	//var classElementsOff = new Array();
	//classElementsOff = getElementsByClass('off');

	//for (i = 0; i < classElementsOn.length; i++) {
	//	classElementsOn[i].style.display="none";
	//}
	//for (i = 0; i < classElementsOff.length; i++) {
	//	classElementsOff[i].style.display="inline";
	//}
	//document.getElementById(on).style.display="none";
	//document.getElementById(off).style.display="inline";
	
}