function check_empty()
{
  var f = document.forms("sfrm");

  var srch = document.getElementById("search").value;

  if (srch.length<5)
  {
    f("search").focus();
    alert("Ââåäèòå ñòðîêó ïîèñêà áîëüøå 5 ñèìâîëîâ!!!");
    window.event.returnValue=false;
    return;
  };

  return;
};