browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

   if ((browserName == "Netscape" && browserVer >= 3) ||
       (browserName == "Microsoft Internet Explorer" && browserVer >= 4)) {
     version = "ok";
   }
   else {
     version = "no";
   }

   if (version == "ok") {
     Default         = new Image();
     TSG             = new Image();
     BackgroundInfo  = new Image();
     Sources         = new Image();
     ModelDB         = new Image();
     SalesDB         = new Image();
     ContactForm     = new Image();
     GuestBook       = new Image();
     WebLinks        = new Image();
     Magazines       = new Image();
     Books           = new Image();
     CollectorGuides = new Image();
}

function showText(imgName)  {
   if (version == "ok")   {
     text = eval(imgName + ".src");
     document ["TextField"].src = text;
   }
}

   if (version == "ok") {
     Default.src         = "/SiteMap/Default.jpg";
     TSG.src             = "/SiteMap/TSG.gif";
     BackgroundInfo.src  = "/SiteMap/BackgroundInfo.gif";
     Sources.src         = "/SiteMap/Sources.gif";
     ModelDB.src         = "/SiteMap/ModelDB.gif";
     SalesDB.src         = "/SiteMap/SalesDB.gif";
     ContactForm.src     = "/SiteMap/ContactForm.gif";
     GuestBook.src       = "/SiteMap/GuestBook.gif";
     WebLinks.src        = "/SiteMap/WebLinks.gif";
     Magazines.src       = "/SiteMap/Magazines.gif";
     Books.src           = "/SiteMap/Books.gif";
     CollectorGuides.src = "/SiteMap/CollectorGuides.gif";
   }