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) {
        home_over = newImage("images/home-over.gif");
        webdesign_over = newImage("images/webdesign-over.gif");
        ecommerce_over = newImage("images/ecommerce-over.gif");
        graphicdesign_over = newImage("images/graphicdesign-over.gif");
        cms_over = newImage("images/cms-over.gif");
		portfolio_over = newImage("images/portfolio-over.gif");
        
        printingcard_over = newImage("images/printing-card-over.gif");  
        printingbrochure_over = newImage("images/printing-brochure-over.gif");  
        printingflyer_over  = newImage("images/printing-flyer-over.gif");  
        printingform_over = newImage("images/printing-form-over.gif");  
        printingcalendar_over = newImage("images/printing-calendar-over.gif");  
        printingcatalogue_over  = newImage("images/printing-catalogue-over.gif");  
        printingstationary_over  = newImage("images/printing-stationary-over.gif");  
        printinggreeting_over  = newImage("images/printing-greeting-over.gif");  
        printingposter_over  = newImage("images/printing-poster-over.gif");
        
        iconprintcard_over  = newImage("images/iconprintcard-over.gif");
        iconprintbrochure_over  = newImage("images/iconprintbrochure-over.gif");
        iconprintflyer_over  = newImage("images/iconprintflyer-over.gif");
        iconprintform_over  = newImage("images/iconprintform-over.gif");
        iconprintcalendar_over  = newImage("images/iconprintcalendar-over.gif");
        iconprintcatalog_over  = newImage("images/iconprintcatalog-over.gif");
        iconprintstationary_over  = newImage("images/iconprintstationary-over.gif");
        iconprintgreeting_over  = newImage("images/iconprintgreeting-over.gif");
        iconprintposter_over  = newImage("images/iconprintposter-over.gif");
        
        troubleshooting_over = newImage("images/support-over.gif");
        order_over = newImage("images/printorder-over.gif");  
		preloadFlag = true;
	}
}