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");
        portfolio_over = newImage("images/portfolio-over.gif");
		
		iconcmsfeatures_over = newImage("images/iconcmsfeatures-over.gif");
        iconcmsfunction_over = newImage("images/iconcmsfunction-over.gif");
        iconcmsportfolio_over = newImage("images/iconcmsportfolio-over.gif");
        
        cmsfeatures_over = newImage("images/cms-features-over.gif");
        cmsfunction_over = newImage("images/cms-function-over.gif");
        cmsportfolio_over = newImage("images/cms-portfolio-over.gif");
        
        demofront_over = newImage("images/demofront-over.gif");
        demoback_over = newImage("images/demoback-over.gif");
        cmsportfolio_over = newImage("images/cms-portfolio-over.gif");
        
        troubleshooting_over = newImage("images/support-over.gif");
        order_over = newImage("images/weborder-over.gif");
		
		preloadFlag = true;
	}
}