function newImage(arg) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
}

function changeimgV4() {
	if (preloadFlag == true) {
		for (var i=0; i<changeimgV4.arguments.length; i+=2) {
			document[changeimgV4.arguments[i]].src = changeimgV4.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadimgV4() {
		home_over = newImage("http://www.tekro.com/imgV4/home-over.gif");
		services_over = newImage("http://www.tekro.com/imgV4/services-over.gif");
		support_over = newImage("http://www.tekro.com/imgV4/support-over.gif");
		_4client_over = newImage("http://www.tekro.com/imgV4/4client-over.gif");
		about_over = newImage("http://www.tekro.com/imgV4/about-over.gif");

		web_over = newImage("http://www.tekro.com/imgV4/web-over.jpg");
		business_over = newImage("http://www.tekro.com/imgV4/business-over.jpg");
		consumer_over = newImage("http://www.tekro.com/imgV4/consumer-over.jpg");

		preloadFlag = true;
}