// Pre-load menu images
if (document.images) {
	var home_up 		= new Image; home_up.src		= "images/home_up.gif";
	var home_dn 		= new Image; home_dn.src		= "images/home_dn.gif";
	var affiliate_up 	= new Image; affiliate_up.src	= "images/affiliate_up.gif";
	var affiliate_dn 	= new Image; affiliate_dn.src	= "images/affiliate_dn.gif";
	var productdes_up 	= new Image; productdes_up.src	= "images/productdes_up.gif";
	var productdes_dn 	= new Image; productdes_dn.src	= "images/productdes_dn.gif";
	var support_dn		= new Image; support_dn.src		= "images/support_dn.gif";
	var support_up		= new Image; support_up.src		= "images/support_up.gif";
	var about_dn		= new Image; about_dn.src		= "images/about_dn.gif";
	var about_up		= new Image; about_up.src		= "images/about_up.gif";
	var whatsnew_dn		= new Image; whatsnew_dn.src	= "images/whatsnew_dn.gif";
	var whatsnew_up		= new Image; whatsnew_up.src	= "images/whatsnew_up.gif";
	var contact_dn		= new Image; contact_dn.src		= "images/contact_dn.gif";
	var contact_up		= new Image; contact_up.src		= "images/contact_up.gif";
	var demos_dn	= new Image; demos_dn.src	= "images/demos_dn.gif";
	var demos_up	= new Image; demos_up.src	= "images/demos_up.gif";
	var contest_dn	= new Image; contest_dn.src	= "images/contest_dn.gif";
	var contest_up	= new Image; contest_up.src	= "images/contest_up.gif";
	var promotional_dn	= new Image; promotional_dn.src	= "images/promotional_dn.gif";
	var promotional_up	= new Image; promotional_up.src	= "images/promotional_up.gif";
	var customerinfo_dn	= new Image; customerinfo_dn.src	= "images/customerinfo_dn.gif";
	var customerinfo_up	= new Image; customerinfo_up.src	= "images/customerinfo_up.gif";
	var buynow_dn		= new Image; buynow_dn.src		= "images/buynow_dn.gif";
	var buynow_up		= new Image; buynow_up.src		= "images/buynow_up.gif";
	var dealer_dn		= new Image; dealer_dn.src		= "images/dealer_dn.gif";
	var dealer_up		= new Image; dealer_up.src		= "images/dealer_up.gif";
	var checkorder_dn		= new Image; checkorder_dn.src	= "images/checkorder_dn.gif";
	var checkorder_up		= new Image; checkorder_up.src	= "images/checkorder_up.gif";
	var download_dn		= new Image; download_dn.src		= "images/download_dn.gif";
	var download_up		= new Image; download_up.src		= "images/download_up.gif";
}