/**********************************************
	Desc:		Centralized javascript file for 
				the main navigation rollovers
**********************************************/
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) {
		NAV_home_over = newImage("/images/ui/NAV_home-over.gif");
		NAV_about_us_over = newImage("/images/ui/NAV_about_us-over.gif");
		NAV_downloads_over = newImage("/images/ui/NAV_downloads-over.gif");
		NAV_catalog_request_over = newImage("/images/ui/NAV_catalog_request-over.gif");
		NAV_contact_us_over = newImage("/images/ui/NAV_contact_us-over.gif");
		ICON_cart_01_over = newImage("/images/ui/ICON_cart_01-over.gif");
		preloadFlag = true;
	}
}