6.4 变量设置元素与变量设置的有关规定

                   </p>

         </card>

         <card id="card3" title="Third Card">

                   <onevent type="onenterforward">

                            <refresh>

                                     <setvar name="card3_var1" value="val_3"/>

                            </refresh>

                   </onevent>

                   <p>

                   Card 3 ... <br/>

                            card1 var1 = $(card1_var1) <br/>