function actionDefault()
 {
     // Create the form
     $form = new YDForm('form1');
     // Add the checkboxgroup
     $form->addElement('checkboxgroup', 'choose_multiple', 'Choose multiple default', array(), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple2', 'Choose multiple HORIZONTAL', array('sep' => 'h'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple3', 'Choose multiple VERTICAL', array('sep' => 'v'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple4', 'Choose multiple LEFT', array('sep' => 'l'), array(0 => 'choice 1', 1 => 'choice 2'));
     $el =& $form->addElement('checkboxgroup', 'choose_multiple5', 'Choose multiple RIGHT', array('sep' => 'r'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple6', 'Choose multiple VERTICAL LEFT', array('sep' => 'vl'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple7', 'Choose multiple VERTICAL RIGHT', array('sep' => 'vr'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple8', 'Choose multiple HORIZONTAL LEFT', array('sep' => 'hl'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple9', 'Choose multiple HORIZONTAL RIGHT', array('sep' => 'hr'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple10', 'Custom Separator "|"', array('separator' => ' | '), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple11', 'Custom Separator "XXX" and LEFT', array('sep' => 'l', 'separator' => '  XXX  '), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple12', 'Custom Separator "...", LEFT and VERTICAL', array('sep' => 'l', 'separator' => '...<br />'), array(0 => 'choice 1', 1 => 'choice 2'));
     $form->addElement('checkboxgroup', 'choose_multiple_big', 'Choose with column format', array(), array(0 => 'choice 1', 'choice 2', 'choice 3', 'choice 4', 'choice 5', 'choice 6', 'choice 7', 'choice 8'));
     $el2 =& $form->addElement('checkboxgroup', 'choose_multiple_big2', 'Choose with column format (2 columns)', array(), array(0 => 'choice 1', 'choice 2', 'choice 3', 'choice 4', 'choice 5', 'choice 6', 'choice 7', 'choice 8'));
     $el2->setColumns(2);
     $el3 =& $form->addElement('checkboxgroup', 'choose_multiple_big3', 'Choose with column format (3 columns and a default "select all")', array(), array(0 => 'choice 1', 'choice 2', 'choice 3', 'choice 4', 'choice 5', 'choice 6', 'choice 7', 'choice 8', 'choice 9'));
     $el3->setColumns(3);
     $el3->addSelectAll();
     $el4 =& $form->addElement('checkboxgroup', 'choose_multiple_big4', 'Choose with column format (3 columns and a "select all" on top)', array(), array(0 => 'choice 1', 'choice 2', 'choice 3', 'choice 4', 'choice 5', 'choice 6', 'choice 7', 'choice 8'));
     $el4->setColumns(3);
     $el4->addSelectAll(false);
     // demonstrate disable on checkboxgroup
     $form->disable('choose_multiple', 1);
     $form->disable('choose_multiple2', array(0, 1));
     $form->disable('choose_multiple3');
     // Add and example about 'select all' button
     $el->addSelectAll();
     // Add the submit button
     $form->addElement('submit', 'btnSubmit', 'submit');
     // Set the defaults
     $form->setDefaults(array('choose_multiple' => array(0 => 0, 1 => 1)));
     // Process the form
     if ($form->validate() === true) {
         YDDebugUtil::dump($form->getValues());
     }
     // Add the template
     $tpl = new YDTemplate();
     // Add the form to the template
     $tpl->assign('form', $form->toHTML());
     // Display the template
     $tpl->display();
 }