function check_search() {
  if (document.search.searchtxt.value=="" || document.search.searchtxt.value.length<2)
    return false;
  else
    return true;
}

function openpage(mit, id, ujablak) {
  if (mit=="lap") {
    if (ujablak==0)
      document.location="content.php?lapid="+id;
    else
      window.open("content.php?lapid="+id, "_new",
      "resizable=1,scrollbars=1,toolbar=0,location=0,menubar=0,status=0,width=750,height=500");
  } else if (mit=="tablazat")
    document.location="content.php?tablazatid="+id;
  else if (mit=="menu")
    document.location="content.php?menuid="+id;

}