function selectCode(a)   
{   
   var e = a.parentNode.parentNode.getElementsByTagName('p')[0];   
   if (window.getSelection)   
   {   
      var s = window.getSelection();   
       if (s.setBaseAndExtent)   
      {   
         s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);   
      }   
      else   
      {   
         var r = document.createRange();   
         r.selectNodeContents(e);   
         s.removeAllRanges();   
         s.addRange(r);   
      }   
   }   
   else if (document.getSelection)   
   {   
      var s = document.getSelection();   
      var r = document.createRange();   
      r.selectNodeContents(e);   
      s.removeAllRanges();   
      s.addRange(r);   
   }   
   else if (document.selection)   
   {   
      var r = document.body.createTextRange();   
      r.moveToElementText(e);   
      r.select();   
   }   
}