// JScript File

   var isNN = BrowserDetect.browser == "Netscape";
   var isOpera = BrowserDetect.browser == "Opera";
   var isIE = BrowserDetect.browser == "Explorer";
   var isFF = BrowserDetect.browser == "Firefox";

   function autoTab(eCtrl,len, e)
   {
      var keyCode;
      var filter;

      if (isOpera | isIE | isFF)
      {
         keyCode = e.keyCode;
         filter = [0,8,9,16,17,18,37,38,39,40,46];
      }
      else if (isNN)
      {
         keyCode = e.which;
         filter = [0,8,9];
      }

      if(eCtrl.value.length >= len && !containsElement(filter,keyCode))
      {
         eCtrl.value = eCtrl.value.slice(0, len);
         eCtrl.form[(getIndex(eCtrl)+1) % eCtrl.form.length].focus();
         eCtrl.form[(getIndex(eCtrl)+1) % eCtrl.form.length].select();
      }


      function containsElement(arr, ele)
      {

         var found = false, index = 0;

         while(!found && index < arr.length)

            if(arr[index] == ele)
               found = true;
            else
               index++;

         return found;
      }

      function getIndex(eCtrl)
      {

         var index = -1, i = 0, found = false;

         while (i < eCtrl.form.length && index == -1)

            if (eCtrl.form[i] == eCtrl) index = i;
            else i++;

         return index;
      }
      return true;
   }