function validateNonNumber (evt) {
  var keyCode = evt.which ? evt.which : evt.keyCode;
//  window.alert(keyCode);
  return (
          (
           (
             (48 <= keyCode) 
             && 
             (keyCode <= 57)
           ) 
           ||
           (
             (96 <= keyCode) 
             && 
             (keyCode <= 105)
           )
           ||
           (keyCode == 8) 
           ||
           (keyCode == 16)
           ||
           (keyCode == 46)
           ||
           (keyCode == 188) 
           ||
           ((35 <= keyCode) && (keyCode <= 40))
          )
           ? true : false); 
}