error

<?php

if($_GET['smaz']==1) {

 for($i=0;$i<4;$i++) {

     if($i != 1) $zpravy .= "','";

     $zpravy .= $slova[$i];

 }

MySQL_Query("DELETE FROM uzivatele_posta WHERE id IN('$zpravy')");

}

?>

<?php

$vysledek = MySQL_Query("select * from uzivatele_posta where idp='$id' order by id desc"); //or die('Nastala chyba')

echo mysql_error();

while ($zaznam=MySQL_Fetch_Array($vysledek))

{

?>

<form method="post" action="mujucet.php?clanek=zpravy/mojezpravy&smaz=1">

<table width="85%" align="center">

  <tr>

    <td width="5%"><input type="checkbox" name="slova[]" /></td>

    <td width="40%"><a href="mujucet.php?clanek=zpravy/cistzpravu&d=<?php echo''.$zaznam["id"].'';?>"><?php echo''.$zaznam["predmet"].'';?></td>

  </tr>

  <tr>

    <td><input type="submit" value="Vymazat" class="button" /></td>

  </tr>

</table>

</form>

<?};?>