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;
function preloadImages() {
	if (document.images) {
	on_home = newImage("images/topmenu/on_home.gif");
	on_findhost = newImage("images/topmenu/on_findhost.gif");
	on_requestquotes = newImage("images/topmenu/on_requestquotes.gif");
	on_forum = newImage("images/topmenu/on_forum.gif");
	on_freeguides = newImage("images/topmenu/on_freeguides.gif");
	on_newsreviews = newImage("images/topmenu/on_newsreviews.gif");
	on_advetisers = newImage("images/topmenu/on_advertisers.gif");
	preloadFlag = true;
}
}