
<!--

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) {
		btn_home_off = newImage("images/btn_home_off.jpg");
		btn_products_off = newImage("images/btn-products-off.jpg");
		btn_service_off = newImage("images/btn_service-off.jpg");
		btn_patents_off = newImage("images/btn_patents-off.jpg");
		btn_casestudies_off = newImage("images/btn_casestudies-off.jpg");
		btn_company_off = newImage("images/btn_company-off.jpg");
		preloadFlag = true;
	}
}

// -->