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) {
		topnav_HOME_over = newImage("images/topnav_HOME_over.gif");
		topnav_ABOUTME_over = newImage("images/topnav_ABOUTME_over.gif");
		topnav_ABOUTME_over = newImage("images/topnav_ABOUTME_over.gif");
		topnav_SERVICES_over = newImage("images/topnav_SERVICES_over.gif");
		topnav_PORTFOLIO_over = newImage("images/topnav_PORTFOLIO_over.gif");
		topnav_CONTACT_over = newImage("images/topnav_CONTACT_over.gif");
		
		navPRINT_over = newImage("images/nav_images/navPRINT-over.jpg");
		navWEB_over = newImage("images/nav_images/navWEB-over.jpg");
		navCOMM_over = newImage("images/nav_images/navCOMM-over.jpg");
		navTV_over = newImage("images/nav_images/navTV-over.jpg");
		
	
		preloadFlag = true;
	}
}