Zend FR

<?php
class ContactAsist extends ZendX_JQuery_Form//et non par Zend_Form
{
    public function init()
    {
        ...
        $date = new ZendX_JQuery_Form_Element_DatePicker('date');
        $date->setJQueryParams(array(
                'dateFormat'        => 'dd/mm/yy',//format
                'minDate'           => '+1',//séleccionable à partir du lendemain
                'firstDay'          => '1',//premier jour = lundi
                'showButtonPanel'   => 'true'//bouton "fermer"
              ))
              ->setDecorators(array(
                  'UiWidgetElement',//ça c'est important, à la place de ViewHelper
                  'Description',
                  'Errors',
                  array(array('data' => 'HtmlTag'), array('tag' => 'span', 'class' => 'form-elemento')),
                  array(array('row' => 'HtmlTag'), array('tag'   => 'span', 'class' => 'form-elems')),
                  array('Label', array('class' => 'form-label', 'tag' => 'span'))
              ))
              ->setLabel('Choisir une date:');
        ...
    }
}