## Default_Form_Password.php

    public function init()
    {
        $this->setName("password");
        $this->setMethod('post');

        $this->addElement(
            'password', 'password', array(
                'filters'     => array('StringTrim'),
                'description' => '8 characters minimum',
                'validators'  => array(
                    array('StringLength', false, array(8, 40)),
                ),
                'required'    => true,
                'label'       => 'Password:',
            )
        );

        $this->addElement(
            'password', 'password_confirm', array(
                'validators' => array(
                    array(
                        'identical', false, array('token' => 'password')
                    )
                ),
                'label' => 'Confirm password:',
            )
        );