function autotab(original,destination)
		{
		
		if (original.getAttribute&&original.value.length==original.getAttribute("maxlength"))
		destination.focus()
		}
function do_encrypt() {
  var before = new Date();
  var rsa = new RSAKey();
  rsa.setPublic(document.form1.n.value, document.form1.e.value);
  var res = rsa.encrypt(document.form1.CardNum.value);
  var after = new Date();
  if(res) {
    document.form1.CardNum.value = res;
	
  }
}