function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
var src = "";
function changeImages() {
	if (document.images && (preloadFlag == true)) {	
		if(changeImages.arguments.length > 2){
			src = changeImages.arguments[2];
		}			
		var arg = changeImages.arguments[1];
		var end = arg.lastIndexOf("-");
		if( end == -1){
			end = arg.length - 4;
		}
		if((src != arg.substring(arg.lastIndexOf("/")+1,end)) || (changeImages.arguments.length > 2)){
			document[changeImages.arguments[0]].src = arg;
			//document.write(src +","+ arg.substring(arg.lastIndexOf("/")+1,arg.lastIndexOf("-")));				
		}			
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Products_over = newImage("images/Products-over.gif");
		CustomerSupport_over = newImage("images/CustomerSupport-over.gif");
		WhereToBuy_over = newImage("images/WhereToBuy-over.gif");
		Company_over = newImage("images/Company-over.gif");
		NewsEvents_over = newImage("images/NewsEvents-over.gif");
		International_over = newImage("images/International-over.gif");
		
		RequestLiterature_footer_over = newImage("images/RequestLiterature_footer-over.gif");
		ContactUs_footer_over = newImage("images/ContactUs_footer-over.gif");
		Careers_footer_over = newImage("images/Careers_footer-over.gif");
		SiteMap_over = newImage("images/SiteMap-over.gif");
		Privacy_Legal_over = newImage("images/PrivacyLegal-over.gif");
		TradeProfessionals = newImage("images/TradeProfessionals.gif");
		bg_footer = newImage("images/bg_footer.jpg");

		preloadFlag = true;
	}
}