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");
        
        webtypes_over = newImage("images/web-types-over.gif");  
        webprocess_over  = newImage("images/web-process-over.gif");  
        webprogramming_over = newImage("images/web-programming-over.gif");  
        webcms_over = newImage("images/web-cms-over.gif");  
        webflash_over  = newImage("images/web-flash-over.gif");  
        webhosting_over  = newImage("images/web-hosting-over.gif");  
        webpromotion_over  = newImage("images/web-promotion-over.gif");  
        webrequirements_over  = newImage("images/web-requirements-over.gif");  
        webediting_over  = newImage("images/web-editing-over.gif");  
        
        iconwebsitetypes_over  = newImage("images/iconwebsitetypes-over.gif");  
        iconcustom_over  = newImage("images/iconcustom-over.gif");  
        iconprocess_over  = newImage("images/iconprocess-over.gif");  
        iconcms_over  = newImage("images/iconcms-over.gif");  
        iconflash_over  = newImage("images/iconflash-over.gif");  
        iconwebhosting_over  = newImage("images/iconwebhosting-over.gif");  
        iconpromotion_over  = newImage("images/iconpromotion-over.gif");  
		
        troubleshooting_over = newImage("images/support-over.gif");
        order_over = newImage("images/weborder-over.gif");
        
        preloadFlag = true;
	}
}