function submitform(engine)
{
  switch (engine)
  {
    case "g":
      document.mainform.action="/.";
	  query=document.mainform.q.value;
      if(query.length<1) 
      query=document.mainform.wotd.value;
  	  document.mainform.q.value="define:"+query;
      document.mainform.submit();
      break;
    case "d":
      document.mainform.action="/scripts/lookup.php";
      break;
  }
}

function handleEnter(field, event)
 {
  var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
  if (keyCode == 13) submitform("d");
  else
   return true;
 }