function autoSelectText(e) {
   if (document.selection && document.selection.createRange) {
      var textRange = document.selection.createRange();
      textRange.moveToElementText(document.getElementById(e));
      textRange.select();
   } else if (document.createRange && window.getSelection) {
      var range = document.createRange();
      range.selectNode(document.getElementById(e));
      var selection = window.getSelection();
      selection.removeAllRanges();
      selection.addRange(range);
   }
}