CJuiDatePicker

public function run()
{
    list($name,$id)=$this->resolveNameID();

    if(isset($this->htmlOptions['id']))
        $id=$this->htmlOptions['id'];
    else
        $this->htmlOptions['id']=$id;
    if(isset($this->htmlOptions['name']))
        $name=$this->htmlOptions['name'];

    if($this->flat===false)
    {
        if($this->hasModel())
            echo CHtml::activeTextField($this->model,$this->attribute,$this->htmlOptions);
        else
            echo CHtml::textField($name,$this->value,$this->htmlOptions);
    }
    else
    {
        if($this->hasModel())
        {
            echo CHtml::activeHiddenField($this->model,$this->attribute,$this->htmlOptions);
            $attribute=$this->attribute;
            $this->options['defaultDate']=$this->model->$attribute;
        }
        else
        {
            echo CHtml::hiddenField($name,$this->value,$this->htmlOptions);
            $this->options['defaultDate']=$this->value;
        }

        $this->options['altField']='#'.$id;

        $id=$this->htmlOptions['id']=$id.'_container';
        $this->htmlOptions['name']=$name.'_container';

        echo CHtml::tag('div',$this->htmlOptions,'');
    }

    $options=CJavaScript::encode($this->options);
    $js = "jQuery('#{$id}').datepicker($options);";

    if($this->language!='' && $this->language!='en')
    {
        $this->registerScriptFile($this->i18nScriptFile);
        $js = "jQuery('#{$id}').datepicker(jQuery.extend({showMonthAfterYear:false},jQuery.datepicker.regional['{$this->language}'],{$options}));";
    }

    $cs = Yii::app()->getClientScript();

    if(isset($this->defaultOptions))
    {
        $this->registerScriptFile($this->i18nScriptFile);
        $cs->registerScript(__CLASS__,$this->defaultOptions!==null?'jQuery.datepicker.setDefaults('.CJavaScript::encode($this->defaultOptions).');':'');
    }
    $cs->registerScript(__CLASS__.'#'.$id,$js);
}