<?php $form->widget('zii.widgets.jui.CJuiDatePicker', array(
            'model'=>$model,
        'attribute'=>'viewDate',
        'name'=>'viewDate',
            // additional javascript options for the date picker plugin
                'options'=>array(
                'showAnim'=>'fold',
                ),
                'htmlOptions'=>array(
                'style'=>'height:20px;',
                'value'=>'',
            ),
)); ?>