function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

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

function preloadImages() {
	if (document.images) {
		home_17_over = newImage("images/home-17_over.jpg");
		services_18_over = newImage("images/services-18_over.jpg");
		recreation_19_over = newImage("images/recreation-19_over.jpg");
		diet_20_over = newImage("images/diet-20_over.jpg");
		admissions_21_over = newImage("images/admissions-21_over.jpg");
		rohm_22_over = newImage("images/rohm-22_over.jpg");
		employment_23_over = newImage("images/employment-23_over.jpg");
		schedule_24_over = newImage("images/schedule-24_over.jpg");
		privacy_25_over = newImage("images/privacy-25_over.jpg");
		preloadFlag = true;
	}
}