<thead class="table-primary"><form action="spamfilter.php" method="post">
<th><input type="checkbox" label='selectall' onClick="toggle_sf(this)" /></th>
<th>Match Type</th>
<thead class="table-primary"><form action="spamfilter.php" method="post">
<th><input type="checkbox" label='selectall' onClick="toggle_sf(this)" /></th>
<th>Match Type</th>