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");
        printing_over = newImage("images/printing-over.gif");
        cms_over = newImage("images/cms-over.gif");
        portfolio_over = newImage("images/portfolio-over.gif");
        
        ecommerceneed_over = newImage("images/ecommerce-need-over.gif");
        ecommerceoffer_over = newImage("images/ecommerce-offer-over.gif");
        ecommercefeatures_over = newImage("images/ecommerce-features-over.gif");
        
        ecommercefunction_over = newImage("images/ecommerce-function-over.gif");
        ecommercehosting_over = newImage("images/ecommerce-hosting-over.gif");
        ecommercemarketing_over = newImage("images/ecommerce-marketing-over.gif");
        
        ecommercerequirements_over = newImage("images/ecommerce-requirements-over.gif");
        demoback_over = newImage("images/demoback-over.gif");
        demofront_over = newImage("images/demofront-over.gif");
        
        iconneed_over = newImage("images/iconneed-over.gif");
        iconoffer_over = newImage("images/iconoffer-over.gif");
        iconeportfolio_over = newImage("images/iconeportfolio-over.gif");
        iconorder_over = newImage("images/iconorder-over.gif");
        
        iconfeatures_over = newImage("images/iconfeatures-over.gif");
        iconfunction_over = newImage("images/iconfunction-over.gif");
        iconehosting_over = newImage("images/iconehosting-over.gif");
        iconemarketing_over = newImage("images/iconemarketing-over.gif");
 
		preloadFlag = true;
	}
}