smarty模板中，js中如何嵌套foreach或section循环

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          <script><br />
                                     var box =new PPTBox();<br />
                                     box.width = 1250; //宽度<br />
                                     box.height = 490;//高度<br />
                                     box.autoplayer = 3;//自动播放间隔时间<br />
                                     //box.add({"url":"图片地址","title":"悬浮标题","href":"链接地址"})<br />
                                     box.add({"url":"images/tu1.jpg","title":"悬浮提示标题1"});<br />
                                     box.add({"url":"images/tu2.jpg","title":"悬浮提示标题2"});<br />
                                     box.add({"url":"images/tu3.jpg","title":"悬浮提示标题3"});<br />
                                     box.add({"url":"images/tu4.jpg","title":"悬浮提示标题4"});<br />
                                     box.show();<br />
                                </script><div class="clear"></div>