$tot = count([total_chked]);

$contacts = "";

for($x=0;$x<$tot;$x++) {
 $contacts .= [total_chked] [$x];

if($x == ($tot-1)){
 $contacts .= ". ";
 } else {
$contacts .= ", ";
  }
}
echo "<table width='300px' border ='1' bordercolor = '#000000' cellpadding='0' cellspacing='0'>
 <tr>
<td colspan='2'><strong> ($tot) Selected Contacts: <strong></td>
</tr>
<tr>
<td><font color='#003366'><strong> $contacts </strong></font> </td>
  </tr>
</table>";