Yii Extention NavaJcrop

$this->widget('ext.NavaJcrop.ImageJcrop', array(
    'config' => array(
        'title'=>$Classified->img_cover,
        'image'=>$Classified->img_cover,//required, all field below are not required.
        'id'=>'nava-jcrop',
        //'unique'=>true,
        'buttons'=>array(
            'cancel'=>array(
                'name'=>'Cancel',
                'class'=>'button-crop',
                'style'=>'margin-left: 5px;',
            ),
            /*'edit'=>array(
                'name'=>'Edit',
                'class'=>'button-crop',
                'style'=>'margin-left: 5px;',
            ),*/
            'crop'=>array(
                'name'=>'Crop',
                'class'=>'button-crop',
                'style'=>'margin-left: 5px;',
            )
        ),
        'options'=>array(
            'imageWidth'=>150,
            'imageHeight'=>175,
            'resultStyle'=>'position: fixed;top: 50px;max-width:350px;max-height:350px;z-index: 9999;',
            'resultMaxWidth'=>350,
            'resultMinWidth'=>350,
        ),
        'callBack'=> array(
       'success'=>"function(obj,res){
       /* alert(res);   */

 $('#Classifieds_img_cover').val(res);
    console.log(obj,res);}",
           
           
       'error'=>"function(){alert('error');}",
        )
       
    )
));

Yii Check Valid Form

 $form = $this->beginWidget('CActiveForm', array(
        'id' => 'classifieds-Post-form',
         'enableClientValidation'=>true,
         'enableAjaxValidation'=>true,
         'clientOptions'=>array(
                        'validateOnSubmit'=>true,
                ),
        'focus' => array($Classified, 'category_id'),
        'htmlOptions' => array(
            'class' => 'form-horizontal',
            'enctype' => 'multipart/form-data'
        ),
    ));