Dependent Cactivecheckboxlist

How can i do a dependent Activecheckboxlist

i tray to insert something similar for the dependent dropdownlist but i cant to make it work

actuali the activecheckboxlist filter my content.

it work realy good, but i wont to show de dependent checkboxlist depends on the first selection.

How can i do it?

this is mni view.php




<?php

$this->breadcrumbs=array(

	'Posts',

);


/*$this->menu=array(

	array('label'=>'Create Post', 'url'=>array('create')),

	array('label'=>'Manage Post', 'url'=>array('admin')),

);

?>*/

?>

<h1>Posts</h1>


<?php

Yii::app()->clientScript->registerScript('index',

    "var ajaxUpdateTimeout;

    var ajaxRequest;

   	$('.categoryFilter').change(function(){

    $.fn.yiiListView.update(

     	'ajaxListView',

                {

				  url: '" . CController::createUrl('Post/index') . "',

				  data: $('.categoryFilter, .marcaFilter').serialize(),

				

				  }

				  

	 );

});


	$('.marcaFilter').change(function(){

    $.fn.yiiListView.update(

     	'ajaxListView',

                {

				 url: '" . CController::createUrl('Post/index') . "',

				 data: $('.categoryFilter, .marcaFilter').serialize(),

				 

				   

                }

		

    );

});

$('.modeloFilter').change(function(){

    $.fn.yiiListView.update(

     	'ajaxListView',

                {

				 url: '" . CController::createUrl('Post/index') . "',

				 data: $('.categoryFilter, .marcaFilter,.modeloFilter').serialize(),

		       

				 

				   

                }

		

    );

});

	"

);

?>

<table style="width:910px;"><tbody><tr valign="top"><td valign="top" style="vertical-align:top; width:200px;">

<br />

<h5>Categorias</h5>

<?php

$categoria = new CDbCriteria; 

$categoria->order = 'name ASC';

echo CHtml::activeCheckboxList(

  $model, 'categoria_id', CHtml::listData(Categoria::model()->findAll(), 'id', 'name'),

  array('template'=>'<li>{input} {label}</li>',  'class'=>'categoryFilter',)

);

?><br /><h5>Marca</h5><?php

 $marca = new CDbCriteria;

 $marca->order = 'name ASC';

echo CHtml::activeCheckboxList(

  $model, 'marca_id', CHtml::listData(Marca::model()->findAll(), 'id', 'name'),

  array('template'=>'<li>{input} {label}</li>',  'class'=>'marcaFilter',)

);

?>

<br /><h5>Modelos</h5><?php

echo CHtml::activeCheckboxList(

  $model, 'modelo_id', CHtml::listData(Modelo::model()->findAll(), 'id', 'name'),

  array('template'=>'<li>{input} {label}</li>',  'class'=>'modeloFilter',)

);

?>

</td><td style="vertical-align:top; width:900px;">

<?php

$this->widget('zii.widgets.CListView', array(

	'id'=>'ajaxListView',

    'dataProvider'=>$dataProvider,

    'itemView'=>'_view',

	//'filter'=>$model->search(),

    'sortableAttributes'=>array(

        'id',

		'title',

		'categoria_id'

    ),

	'pager' => array( 

       'prevPageLabel'=>'< Prev',

       'nextPageLabel'=>'Next >',

       'header'=>'Pagina: ',

       'pageSize'=>5,

	),

	

	

    

));

?>

</td></tr></tbody></table>



this is my controllerphp




public function actionIndex( array $categoria_id = array(), array $marca_id = array(),array $modelo_id = array() )

{

	$categoria_id = (isset($_GET['Post']['categoria_id'])) ? $_GET['Post']['categoria_id'] : array();

	$marca_id = (isset($_GET['Post']['marca_id'])) ? $_GET['Post']['marca_id'] : array();

	$modelo_id = (isset($_GET['Post']['modelo_id'])) ? $_GET['Post']['modelo_id'] : array();

	CVarDumper::dump($categoria_id);

	$model=new Post();

	$criteria = new CDbCriteria();

    if( count( $categoria_id ) > 0 )

		$criteria->addInCondition( 'categoria_id', $categoria_id );

	if( count( $marca_id ) > 0 )

		$criteria->addInCondition( 'marca_id', $marca_id );

	if( count( $modelo_id ) > 0 )

		$criteria->addInCondition( 'modelo_id', $modelo_id );

	

	$dataProvider = new CActiveDataProvider( 'Post', array( 'criteria' => $criteria, ) );

    $this->render( 'index', array( 

		'dataProvider' => $dataProvider,

		'model'=>$model, 

		

	));

	

}

	/**

	 * Manages all models.

	 */

	 public function actionAdmin()

        {

                $model=new Post('search');

                $this->render('admin',array(

                        'model'=>$model,

                ));

        }

	

	

	public function actionDynamicMarcas()

    {

        $data = Marca::model()->findAll('categoria_id=:categoria_id',

                        array(':categoria_id'=>(int) $_POST['Post']['categoria_id']));

 

 

        $data = CHtml::listData($data,'id','name');

            foreach($data as $id => $value)

            {

                echo CHtml::tag('option',array('value' => $id),CHtml::encode($value),true);

            }

 

    }

 

    public function actionDynamicModelos()

    {

        $data = Modelo::model()->findAll('marca_id=:marca_id',

                        array(':marca_id'=>(int) $_POST['Post']['marca_id']));

 

        $data = CHtml::listData($data,'id','name');

            foreach($data as $id => $value)

            {

                echo CHtml::tag('option',array('value' => $id),CHtml::encode($value),true);

            }

    }



i try to send to ajax request in the same function, but it is imposible

Regards

Hernan