// a.js
// a copy of www3.lehigh.edu/includes/LMScript_engr_cse.js, modified to suit our purposes.

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) {
		navengr_about_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_about_r.gif");
		navengr_academics_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_academics_r.gif");
		navengr_admissions_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_admissions_r.gif");
		navengr_research_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_research_r.gif");
		navengr_students_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_students_r.gif");
		navengr_news_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_news_r.gif");
		navengr_jobs_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_jobs_r.gif");
		navengr_contacts_over = newImage("http://www3.lehigh.edu/images/includes/navengr_ece_contacts_r.gif");
		preloadFlag = true;
	}
}