if (document.images)
{
HomeOn=new Image(190, 30);
HomeOn.src="images/navigation1/1on.gif";
HomeOff=new Image(190, 30);
HomeOff.src="images/navigation1/1.gif";
ProductsOn=new Image(190, 30);
ProductsOn.src="images/navigation1/2on.gif";
ProductsOff=new Image(190, 30);
ProductsOff.src="images/navigation1/2.gif";
PurchaseOn=new Image(190, 30);
PurchaseOn.src="images/navigation1/3on.gif";
PurchaseOff=new Image(190, 30);
PurchaseOff.src="images/navigation1/3.gif";
SupportOn=new Image(190, 30);
SupportOn.src="images/navigation1/4on.gif";
SupportOff=new Image(190, 30);
SupportOff.src="images/navigation1/4.gif";
PartnersOn=new Image(190, 30);
PartnersOn.src="images/navigation1/5on.gif";
PartnersOff=new Image(190, 30);
PartnersOff.src="images/navigation1/5.gif";
DownloadsOn=new Image(190, 30);
DownloadsOn.src="images/navigation1/6on.gif";
DownloadsOff=new Image(190, 30);
DownloadsOff.src="images/navigation1/6.gif";
CompanyOn=new Image(190, 30);
CompanyOn.src="images/navigation1/7on.gif";
CompanyOff=new Image(190, 30);
CompanyOff.src="images/navigation1/7.gif";
OverviewOn=new Image(263, 12);
OverviewOn.src="images/navigation products/overview_on.gif";
OverviewOff=new Image(263, 12);
OverviewOff.src="images/navigation products/overview.gif";
AdvancedOn=new Image(263, 12);
AdvancedOn.src="images/navigation products/advanced_on.gif";
AdvancedOff=new Image(263, 12);
AdvancedOff.src="images/navigation products/advanced.gif";
BasicOn=new Image(263, 12);
BasicOn.src="images/navigation products/basic_on.gif";
BasicOff=new Image(263, 12);
BasicOff.src="images/navigation products/basic.gif";
EVTViewerOn=new Image(263, 12);
EVTViewerOn.src="images/navigation products/viewer_on.gif";
EVTViewerOff=new Image(263, 12);
EVTViewerOff.src="images/navigation products/viewer.gif";
DownloadOn=new Image(263, 12);
DownloadOn.src="images/navigation products/download_on.gif";
DownloadOff=new Image(263, 12);
DownloadOff.src="images/navigation products/download.gif";
SubscribeOn=new Image(263, 12);
SubscribeOn.src="images/navigation products/subscribe_on.gif";
SubscribeOff=new Image(263, 12);
SubscribeOff.src="images/navigation products/subscribe.gif";
ContactOn=new Image(263, 12);
ContactOn.src="images/navigation products/contact_on.gif";
ContactOff=new Image(263, 12);
ContactOff.src="images/navigation products/contact.gif";
OnlineOn=new Image(263, 12);
OnlineOn.src="images/navigation products/online_on.gif";
OnlineOff=new Image(263, 12);
OnlineOff.src="images/navigation products/online.gif";
SalesOn=new Image(263, 13);
SalesOn.src="images/navigation products/sales_on.gif";
SalesOff=new Image(263, 13);
SalesOff.src="images/navigation products/sales.gif";
Home_supportOn=new Image(263, 12);
Home_supportOn.src="images/navigation_support/home_on.gif";
Home_supportOff=new Image(263, 12);
Home_supportOff.src="images/navigation_support/home.gif";
DocumentationOn=new Image(263, 12);
DocumentationOn.src="images/navigation_support/documentation_on.gif";
DocumentationOff=new Image(263, 12);
DocumentationOff.src="images/navigation_support/documentation.gif";
Contact_supportOn=new Image(263, 12);
Contact_supportOn.src="images/navigation_support/contact_on.gif";
Contact_supportOff=new Image(263, 12);
Contact_supportOff.src="images/navigation_support/contact.gif";
FAQOn=new Image(263, 12);
FAQOn.src="images/navigation_support/FAQ_on.gif";
FAQOff=new Image(263, 12);
FAQOff.src="images/navigation_support/FAQ.gif";
AboutOn=new Image(263, 13);
AboutOn.src="images/navigation_customers/about_company_on.gif";
AboutOff=new Image(263, 13);
AboutOff.src="images/navigation_customers/about_company.gif";
CustomersOn=new Image(263, 12);
CustomersOn.src="images/navigation_customers/customer_list_on.gif";
CustomersOff=new Image(263, 12);
CustomersOff.src="images/navigation_customers/customer_list.gif";
Contact_UsOn=new Image(263, 12);
Contact_UsOn.src="images/navigation_customers/contact_us_on.gif";
Contact_UsOff=new Image(263, 12);
Contact_UsOff.src="images/navigation_customers/contact_us.gif";
}
var over = 'no';
var lastMenu = ' ';
var styleSheetElement;
var oldElement;
function menuOn(currentMenu) {
	over = 'yes';
	if ((browser == 'Netscape') && (version < 5)) {
		if (lastMenu != ' ')  {
			document.images[lastMenu].src = eval(lastMenu + 'Off.src');	
			eval('document.' + lastMenu + 'Menu.visibility = "hidden"');		
		}
		document.images[currentMenu].src = eval(currentMenu + 'On.src');
		eval('document.' + currentMenu + 'Menu.visibility = "visible"');	
		lastMenu = currentMenu;			
	}
	else {
		if (lastMenu != ' ') {
			eval('document.images[lastMenu].src = ' + lastMenu + 'Off.src');
			lastMenu = lastMenu + 'Menu';
			oldElement = document.getElementById(lastMenu);
			oldElement.style.visibility = "hidden";
		}
		eval('document.images[currentMenu].src = ' + currentMenu + 'On.src');
		var layerName = currentMenu + 'Menu';
		styleSheetElement = document.getElementById(layerName);
		styleSheetElement.style.visibility = "visible";
		lastMenu = currentMenu;		
	}

}
function overChecker(currentMenu) {
	over = 'no';
	lastMenu = currentMenu;
	setTimeout("menuOff()", 100);
}
function menuOff() 
{
	if (over == 'no')  {	
			if ((browser == 'Netscape') && (version < 5)) {
				document.images[lastMenu].src = eval(lastMenu + 'Off.src');
				eval('document.' + lastMenu + 'Menu.visibility = "hidden"');	
			}
			else {
			eval('document.images[lastMenu].src = ' + lastMenu + 'Off.src');
			styleSheetElement.style.visibility = "hidden";
			
		}
	}	
}