function isNotMax(e)
{
 e = e || window.event;
 var target = e.target || e.srcElement;
 var code=e.keyCode?e.keyCode:(e.which?e.which:e.charCode)
 switch (code)
 {
  case 13:
  case 8:
  case 9:
  case 46:
  case 37:
  case 38:
  case 39:
  case 40:
  return true;
 }
 return target.value.length < target.getAttribute('maxlength');
}