function openImage(tartalom_id, kep_id) {

 newWindow = window.open("http://www.partyvarazs.hu/inc/kepnezegeto.php?tartalom_id="+tartalom_id+"&kep_id="+kep_id,
    "new_win", 
    "width=780, height=580, status=no, toolbar=no, menubar=no, resizable=no, scrollbars=no, titlebar=no");
}