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) {
		future_students_over = newImage("http://www.uta.edu/uta/demo/images/future-students-over.gif");
		about_uta_over = newImage("http://www.uta.edu/uta/demo/images/about-uta-over.gif");
		admissions_over = newImage("http://www.uta.edu/uta/demo/images/admissions-over.gif");
		academics_over = newImage("http://www.uta.edu/uta/demo/images/academics-over.gif");
		research_over = newImage("http://www.uta.edu/uta/demo/images/research-over.gif");
		distance_over = newImage("http://www.uta.edu/uta/demo/images/distance-over.gif");
		continuing_over = newImage("http://www.uta.edu/uta/demo/images/continuing-over.gif");
		libraries_over = newImage("http://www.uta.edu/uta/demo/images/libraries-over.gif");
		computing_over = newImage("http://www.uta.edu/uta/demo/images/computing-over.gif");
		athletics_over = newImage("http://www.uta.edu/uta/demo/images/athletics-over.gif");
		campus_life_over = newImage("http://www.uta.edu/uta/demo/images/campus-life-over.gif");
		administration_over = newImage("http://www.uta.edu/uta/demo/images/administration-over.gif");
		supportuta_over = newImage("http://www.uta.edu/uta/demo/images/supportuta-over.gif");
		future_students_over = newImage("http://www.uta.edu/uta/demo/images/future-students-over.gif");
		parents_over = newImage("http://www.uta.edu/uta/demo/images/parents-over.gif");
		visitors_over = newImage("http://www.uta.edu/uta/demo/images/visitors-over.gif");
		alumni_over = newImage("http://www.uta.edu/uta/demo/images/alumni-over.gif");
		students_over = newImage("http://www.uta.edu/uta/demo/images/current-students-over.gif");
		faculty_over = newImage("http://www.uta.edu/uta/demo/images/faculty-over.gif");
		staff_over = newImage("http://www.uta.edu/uta/demo/images/staff-over.gif");
		preloadFlag = true;
	}
}