function removeAccents($szoveg) {
$szoveg=str_replace(' ', '_', $szoveg);
$mit = explode(",","á,é,í,ö,ő,ó,ü,ű,ú,Á,É,Í,Ö,Ő,Ó,Ü,Ű,Ú");
$mire = explode(",","a,e,i,o,o,o,u,u,u,A,E,I,O,O,O,U,U,U");
return = str_replace($mit, $mire, $szoveg);
}