-$mailbox = $_GET['mailbox'];
-$passed_id = $_GET['passed_id'];
-$ent_id = $_GET['ent_id'];
-$QUERY_STRING = $_SERVER['QUERY_STRING'];
+if ( sqgetGlobalVar('passed_id', $temp, SQ_GET) ) {
+ $passed_id = (int) $temp;
+}
+sqgetGlobalVar('mailbox', $mailbox, SQ_GET);
+sqgetGlobalVar('ent_id', $ent_id, SQ_GET);
+sqgetGlobalVar('QUERY_STRING', $QUERY_STRING, SQ_SERVER);