function timesheet_reports_submit($form,&$form_state) {
    // Save into the session
    $_SESSION['timesheet']['reports']['user']=$form['set']['user']['#value'];
    $_SESSION['timesheet']['reports']['charge']=$form['set']['charge']['#value'];
    $_SESSION['timesheet']['reports']['date_start']=$form['set']['date_start'];
    $_SESSION['timesheet']['reports']['date_end']=$form['set']['date_end'];

    drupal_set_message('Form:'.$_SESSION['timesheet']['reports']['charge']);
    drupal_set_message('Form:'.$form['set']['charge']['#value']);

}