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("http://www.karachisoft.com/images/Home-over.gif");
		DOMAIN_over = newImage("http://www.karachisoft.com/images/DOMAIN-over.gif");
		HOSTING_over = newImage("http://www.karachisoft.com/images/HOSTING-over.gif");
		E_MARKETING_over = newImage("http://www.karachisoft.com/images/E-MARKETING-over.gif");
		FAQS_over = newImage("http://www.karachisoft.com/images/FAQS-over.gif");
		Contact_Us_over = newImage("http://www.karachisoft.com/images/Contact-Us-over.gif");
		preloadFlag = true;
	}
}