window.onload = focusForm;
function focusForm(){
   if (document.getElementById("user_id")) {
      document.getElementById("user_id").focus();
   } else if (document.getElementById("query")) {
      document.getElementById("query").focus();
   } else if (document.getElementById("single")) {
      document.getElementById("single").focus();
   } else if (document.getElementById("first_name")) {
      document.getElementById("first_name").focus();
   } else if (document.getElementById("name")) {
      document.getElementById("name").focus();
   }
}

function submitenter(myfield,e)
{
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;

if (keycode == 13)
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}