<?
$nka=mysql_fetch_array(mysql_query("SELECT id,nauka,data,time,bot,pr FROM nauka WHERE strana='$nik'"));
$nk4=$nka['bot'];
mysql_query("UPDATE gos SET bot=bot+$nk4 WHERE strana='$nik'");
mysql_query("DELETE FROM nauka WHERE strana='$nik'");
header("Location:index.php?der=$key");
?>