// browser test:
   browserName = navigator.appName;
   browserVer = parseInt(navigator.appVersion);
   if (browserName == "Netscape" && browserVer >=3) 
      version = 1;
   else if (browserName == "Microsoft Internet Explorer" && browserVer >=4)
      version = 2;
   else if (browserName == "Microsoft Internet Explorer" && browserVer <= 3)
      version = 3;
   else version = 4;

// preload images:
if (version <= 2) {

   pawback1 = new Image(30,38);
   pawback1.src = "images/PawBack1.gif";

   pawback2 = new Image(30,38);
   pawback2.src = "images/PawBack2.gif";

   pawfor1 = new Image(30,38);
   pawfor1.src = "images/PawFor1.gif"; 

   pawfor2 = new Image(30,38);
   pawfor2.src = "images/PawFor2.gif";

   tb1 = new Image(16,20);
   tb1.src = "images/TB1.gif";

   tb2 = new Image(16,20);
   tb2.src = "images/TB2.gif";

   tf1 = new Image(16,20);
   tf1.src = "images/TF1.gif";

   tf2 = new Image(16,20);
   tf2.src = "images/TF2.gif";
}

// Magic button hiliting
function hiLite(imgDocID,imgObjName) {
   if (version<= 2)
      document.images[imgDocID].src = eval(imgObjName + ".src")
}