function setAction(e)
{
  if (!e)
    e = window.event;

  var keyCode = 0;

  if (e.which) {
    keyCode = e.which;
  } else if (e.keyCode) {
    keyCode = e.keyCode;
  }


  if(keyCode == 13 || keyCode == 96)
  {
    event.cancelbubble = true;
    event.returnvalue = false;
    sendSearch();
    return false;
  }
  return true;
}

function sendSearch()
{
  var suchstring = escape(document.getElementById('suche2').value);
  document.location.href = "Suche.aspx?searchvalue=" + suchstring + "&referrer=" + document.location.href;
}