var CBbrowsOK = false;
var CBnav = navigator;
var CBsVers;
var CBiVers;
	CBsVers = new String(CBnav.appVersion);
	if (CBnav.appName == "Microsoft Internet Explorer")
	{
	CBiVers = parseInt(CBsVers.substr(CBsVers.indexOf("MSIE ") + 5,1));
	    if (CBiVers >= 5)
	        CBbrowsOK = true;
	    else
			window.location = "oldBrowser.htm";
	}
	if (CBnav.appName == "Netscape")
	{
		CBiVers = parseInt(CBsVers.substr(0,1));
	    if (CBiVers >= 5)
	        CBbrowsOK = true;
	    else
			window.location = "oldBrowser.htm";
	}
	if (!CBbrowsOK)
		alert("This site requires version 5 or later browsers.\n  I recommend Internet Explorer 5.5 or Netscape 6.0");