public function datePicker($element, $field, $options = array(), $htmlOptions = array(), $layoutColumns = array())
{
$this->widget('application.widgets.DatePicker', array('element' => $element, 'name' => CHtml::modelName($element) . "[{$field}]", 'field' => $field, 'options' => $options, 'htmlOptions' => $htmlOptions, 'layoutColumns' => $layoutColumns));
}