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");
        printing_over = newImage("images/printing-over.gif");
        portfolio_over = newImage("images/portfolio-over.gif");
        
        iconweb_over = newImage("images/iconweb-over.gif");  
        iconecommerce_over = newImage("images/iconecommerce-over.gif");  
        iconcorporate_over  = newImage("images/iconcorporate-over.gif");  
        icongraphic_over = newImage("images/icongraphic-over.gif");  
        iconcms_over = newImage("images/iconcms-over.gif");  
        iconprinting_over  = newImage("images/iconprinting-over.gif");  
        iconhosting_over  = newImage("images/iconhosting-over.gif");  
        iconmarketing_over  = newImage("images/iconmarketing-over.gif");
        
        troubleshooting_over = newImage("images/support-over.gif");
        order_over = newImage("images/weborder-over.gif");  
        
		preloadFlag = true;
	}
}