function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
/*
if (document.images) {
	about_over = newImage("images/about-over.gif");
	service_over = newImage("images/service-over.gif");
	offer_over = newImage("images/offer-over.gif");
	contacts_over = newImage("images/contacts-over.gif");
	preloadFlag = true;
}
*/
function TurnOn (menuid) {
	document.all("pic_"+menuid).src = "images/menu/pic_"+menuid+"_sel.gif"
	document.all("menu_"+menuid).src = "images/menu/menu_"+menuid+"_up.gif"
}
function TurnOff (menuid) {
	document.all("pic_"+menuid).src = "images/menu/pic_"+menuid+".gif"
	document.all("menu_"+menuid).src = "images/menu/menu_"+menuid+".gif"
}

function TurnOn2 (menuid) {
	document.all("menu_"+menuid).src = "images/menu2/menu_"+menuid+"_up.gif"
}
function TurnOff2 (menuid) {
	document.all("menu_"+menuid).src = "images/menu2/menu_"+menuid+".gif"
}