function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function rollover() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<rollover.arguments.length; i+=2) {
			document[rollover.arguments[i]].src = rollover.arguments[i+1];
		}
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {

		nav_services_over		= newImage("images/nav_services_over.gif");
		nav_aboutus_over		= newImage("images/nav_aboutus_over.gif");
		nav_faq_over			= newImage("images/nav_faq_over.gif");
		nav_inforequest_over	= newImage("images/nav_inforequest_over.gif");
		nav_contact_over		= newImage("images/nav_contact_over.gif");

		nav_corporate_over		= newImage("images/nav_corporate_over.jpg");
		nav_hospitality_over	= newImage("images/nav_hospitality_over.jpg");
		nav_casual_over			= newImage("images/nav_casual_over.jpg");
		nav_industrial_over		= newImage("images/nav_industrial_over.jpg");
		nav_promotional_over	= newImage("images/nav_promotional_over.jpg");

		byline_casual			= newImage("images/byline_casual.jpg");

		preloadFlag = true;
	}
}