// code written by Alan Simpson - www.coolnerds.com
function calc(val,factor,putin) {
   if (val == "") {
      val = "0"
   }
   evalstr = "document.ConverTable."+putin+ ".value = "
   evalstr = evalstr + val + "*" + factor
   eval(evalstr)
}

function ccAns(){
if (document.layers)
document.captureEvents(Event.KEYDOWN);
document.onkeydown = function (evt) {
var keyCode = evt ? (evt.which ? evt.which : evt.keyCode) : event.keyCode;
  if (keyCode == 13) {
   window.focus();
   return false;
   }
   else
   return true;
  }
}