<!--

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) {
		contact_over = newImage("../images/contact_over.gif");
		sitemap_over = newImage("../images/sitemap_over.gif");
		help_over = newImage("../images/help_over.gif");
		nav_livercancer_over = newImage("images/nav_livercancer_over.gif");
		nav_diagnosis_over = newImage("images/nav_diagnosis_over.gif");
		nav_treatments_over = newImage("images/nav_treatments_over.gif");
		nav_about_over = newImage("images/nav_about_over.gif");
		nav_resources_over = newImage("images/nav_resources_over.gif");
		preloadFlag = true;
	}
}

// -->