if (document.images) {
	normal_products = new Image(107,36);
	normal_products.src ="/nav/tab-Products.jpg";
	over_products = new Image(107,36);
	over_products.src = "/nav/tab-Products-over.jpg";
	
	normal_support = new Image(105,36);
	normal_support.src ="/nav/tab-Support.jpg";
	over_support = new Image(105,36);
	over_support.src = "/nav/tab-Support-over.jpg";
	
	normal_academic = new Image(105,36);
	normal_academic.src ="/nav/tab-Academic.jpg";
	over_academic = new Image(105,36);
	over_academic.src = "/nav/tab-Academic-over.jpg";
	
	normal_freetools = new Image(105,36);
	normal_freetools.src ="/nav/tab-FreeTools.jpg";
	over_freetools = new Image(105,36);
	over_freetools.src = "/nav/tab-FreeTools-over.jpg";
	
	normal_aboutus = new Image(105,36);
	normal_aboutus.src ="/nav/tab-AboutUs.jpg";
	over_aboutus = new Image(105,36);
	over_aboutus.src = "/nav/tab-AboutUs-over.jpg";
	
	normal_retailer = new Image(370,36);
	normal_retailer.src ="/nav/tab-Retailer.jpg";
	over_retailer = new Image(370,36);
	over_retailer.src = "/nav/tab-Retailer-over.jpg";
	
	normal_subtab_windows = new Image(92,22);
	normal_subtab_windows.src ="/nav/subtab-Windows.jpg";
	over_subtab_windows = new Image(92,22);
	over_subtab_windows.src = "/nav/subtab-Windows-over.jpg";
	
	normal_subtab_macintosh = new Image(90,22);
	normal_subtab_macintosh.src ="/nav/subtab-Macintosh.jpg";
	over_subtab_macintosh = new Image(90,22);
	over_subtab_macintosh.src = "/nav/subtab-Macintosh-over.jpg";
	
	normal_subtab_dvdseries = new Image(99,22);
	normal_subtab_dvdseries.src ="/nav/subtab-DVDSeries.jpg";
	over_subtab_dvdseries = new Image(99,22);
	over_subtab_dvdseries.src = "/nav/subtab-DVDSeries-over.jpg";
	
	normal_subtab_upgrades = new Image(82,22);
	normal_subtab_upgrades.src ="/nav/subtab-Upgrades.jpg";
	over_subtab_upgrades = new Image(82,22);
	over_subtab_upgrades.src = "/nav/subtab-Upgrades-over.jpg";
	
	normal_subtab_downloads = new Image(97,22);
	normal_subtab_downloads.src ="/nav/subtab-Downloads.jpg";
	over_subtab_downloads = new Image(97,22);
	over_subtab_downloads.src = "/nav/subtab-Downloads-over.jpg";
	
	normal_subtab_contact = new Image(98,22);
	normal_subtab_contact.src ="/nav/subtab-Contact.jpg";
	over_subtab_contact = new Image(98,22);
	over_subtab_contact.src = "/nav/subtab-Contact-over.jpg";
	
	function chGraphic(imgModule,imgObject) {
		document.images[imgModule].src = eval(imgObject + ".src");
	}
}