DELETE Z MYSQL

delete from table where id=nr

$prikaz = "SELECT * FROM `chat` ORDER BY `id` DESC LIMIT 0 , 30";
$navrat = mysql_query($prikaz);
while ($data = @mysql_fetch_array($navrat))
{
/* vypis na plochu*/
echo '<font color=white>|';
echo '<a href="zmaz_odkaz_chat.php?id=.$data[id].">';
echo '<font color=red>X';