function browser(page)
	{
	var nameBrowser;
	nameBrowser = navigator.appName;
	var verBrowser = parseInt( navigator.appVersion );
	
	if (nameBrowser =="Netscape" && verBrowser < 4 )
		{
		window.location.replace ("browsers.html");
		}
	else if (nameBrowser =="Netscape" && verBrowser < 7 )
		{
		window.location.replace (page);
		}
	else if (nameBrowser =="Opera")
		{
		window.location.replace (page);
		}
	}