function kH(e)
{
   var pK = e ? e.which : window.event.keyCode;
   return pK != 13;
}
//document.onkeypress = kH;
//if (document.layers) document.captureEvents(Event.KEYPRESS);

function disableEnterKey(e)
{
     var key;
     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox
     if(key == 13)
          return false;
     else
          return true;
}