if ($cgi['delete_c_inbox']){
$value = join(',',array_values($cgi['check'])); 
$q = mysql_query("delete from `Messaging` where ID IN ($value) and recipientID='$id' and viewerID='$id'");
//$q = @mysql_query("delete from `Messaging` where recipientID='$id' and viewerID='$id' and ID='$value' ");
}

try:
if ($cgi['delete_c_inbox'])
  {
  foreach($value as $item)
    {
      mysql_query("DELETE FROM Messaging WHERE ID IN $item and recipientID='$id' and viewerID='$id'", $dbc);
    }
  }