// JavaScript Document
<!-- hide script from old browsers
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) {
		about_over = newImage("/images/about_over.gif");
		new_over = newImage("/images/new_over.gif");
		health_over = newImage("/images/health_over.gif");
		data_over = newImage("/images/data_over.gif");
		research_over = newImage("/images/research_over.gif");
		privacy_over = newImage("/images/privacy_over.gif");
		staff_over = newImage("/images/staff_over.gif");
		media_over = newImage("/images/media_over.gif");
		links_over = newImage("/images/links_over.gif");
		contact_over = newImage("/images/contact_over.gif");
		home_over = newImage("/images/home_over.gif");
		communications_over = newImage("/images/communications_over.gif");
		healthy_01_over = newImage("/images/healthy_01-over.gif");
		preloadFlag = true;
	}
}
// end hiding script from old browsers -->