if($_POST) { set_time_limit(0); header("Edge-control: no-store"); usleep(1000); do { echo '<input type="checkbox" name="contenido" value="'.$row_Recordset1['nombre_sala'].'"> '.$row_Recordset1['nombre_sala'].'<br>'; } while ($row_Recordset1 =mysql_fetch_assoc($Recordset1)); exit();}