?> " type=checkbox>

$query = "DELETE FROM notices WHERE 'id' = '$id' ";


those are 2 lines w. errors as I scanned through...
Code:
?> <input name="<? echo $row["id"]; ?>" type=checkbox>  <? echo $row["title"];
and the more important one

Code:
$query = "DELETE FROM notices WHERE `id`=$id";