function ws_inputOnlyNumbers(src,e)  {
  var key;

  if (!e) e = window.event;
  if (e.keyCode) key = e.keyCode;
  else key = e.which;
  return ( (key >= 48 && key <=57) || ( key == 8 ) || (key == 46) || (key == 37) || (key == 39) );
}

function ws_ignoreEnterKey(src,e)
{  var key;

   if (!e) e = window.event;
   if (e.keyCode) key = e.keyCode;
     else key = e.which;

   return key != 13;
}