模拟弹出菜单的代码_javascript技巧

点“为自己付费”按钮之后弹出一个模态化div，点确定按钮之后，表格增加一行记录；同理，点“为他人付费”按钮也增加另外一行记录。可是在IE6、IE7下可以，FF下不行，请问可有办法呢？

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>支付中心-填写资料</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <style type="text/css"> #testa,#testa2 {     width:100%; } #lockform,#lockform2 {     position:absolute;     width:expression(this.parentNode.scrollWidth);     top:expression(this.parentNode.scrollTop);      left:0;     height:100%;     right:0;     bottom:0;     z-index:1;     background:gray;     filter:alpha(opacity=92); } #main,#main2 {     width:400px;     position:absolute;     left:expression(this.parentNode.scrollWidth/2-200);      top:100px;     background:#efefef;     text-align:left;     filter:Alpha(opacity=100); } #InfoHead,#InfoHead2 {     text-align:right;     padding:3px 0 1px 3px;     border:1px solid #f90;     background:url(../images/lockform_title.gif) repeat-x;     color:#36f;     cursor:move; } #InfoHead a:link,#InfoHead a:visited,#InfoHead2 a:link,#InfoHead2 a:visited {     font-size:14px;     font-weight:bold;     padding:0 3px; } #InfoBody,#InfoBody2 {     border:4px double #f90;     border-top:none;     padding:2px; } #InfoContent {     height:200px;     padding:6px;     overflow:auto;     word-break:break-all; }  #InfoContent2 {     height:297px;     padding:6px;     overflow:auto;     word-break:break-all; }  </style> <script type="text/javascript">  </script> </head> <body> <div id="testa">   <form name="Form1">     <div id="pay_content_top2"></div>     <div id="content">       <div class="align_center">         <table class="width_660">           <tr>             <td class="activate_title"><img src="images/li.gif" alt="" /> 填写资料</td>           </tr>           <tr>             <td class="height_28"> </td>           </tr>         </table>       </div>       <div class="align_center"> <img src="images/pay_banner.gif">                </div>       <div class="height_28"></div>       <div class="height_20 align_center"><strong>购 物 车</strong></div>       <div class="align_center">         <table class="data_table" id="pay_table">           <tr class="data_table_tr1">             <td>商品名称</td>             <td>单价（会员）</td>             <td>数量</td>             <td>总价</td>             <td>付费类型</td>             <td>删除</td>           </tr>         </table>         <table class="data_table">           <tr>             <td class="align_center">购物车里有商品：<span class="red">2</span> 件 总数：<span class="red">10</span> 件 共计：<span class="red">75</span> 元 您有预存款：<span class="red">120</span> 元 </td>           </tr>         </table>       </div>       <div class="verify_pay">         <input type="button" value="为自己付费" class="ncss" onclick="showmain();">         <input type="button" value="为他人付费" class="ncss" onclick="showmain2();">         <input type="button" value=" 清空购物车 " class="ncss" onclick="self.location='pay2.html'">         <input type="button" value=" 去收银台 " class="ncss2" onclick="self.location='pay3.html'">       </div>       <div class="verify_email">您现在可以：<a href="#">返回主页</a> <a href="#">下载使用说明书</a> <a href="#">安全退出</a></div>     </div>   </form> </div> <div id="lockform" style="display:none;">   <div id="main" class="dragclass" style="display:none;">     <div id="InfoHead"><a href="#" onclick="InfoClose();unlock(lockform);"><img src="images/lockform_close.gif" title="关闭" /></a> </div>     <div id="InfoBody">       <div id="InfoContent">         <table class="data_table4">           <tr>             <td class="data_table4_tr2">年费套餐：</td>             <td class="data_table4_tr1"><input type="text" class="input_width input_bian"></td>           </tr>           <tr>             <td class="data_table4_tr2">数量：</td>             <td class="data_table4_tr1"><input type="text" class="input_width input_bian"></td>           </tr>         </table>                  <table class="data_table4">           <tr>             <td class="data_table4_tr3"></td>             <td class="data_table4_tr1"><input type="button" value=" 确 定 " class="ncss" onclick="add_oneself();InfoClose();unlock(lockform);">               <input type="reset" value=" 取 消 " class="ncss" onclick="InfoClose();unlock(lockform);">             </td>           </tr>         </table>       </div>     </div>   </div> </div> <div id="lockform2" style="display:none;">   <div id="main2" class="dragclass" style="display:none;">     <div id="InfoHead2"><a href="#" onclick="InfoClose2();unlock2(lockform2);"><img src="images/lockform_close.gif" title="关闭" /></a> </div>     <div id="InfoBody2">       <div id="InfoContent2">         <table class="data_table4">           <tr>             <td class="data_table4_tr2">EMAIL地址：</td>             <td class="data_table4_tr1"><input type="text" class="input_width input_bian">               <input type="button" value="→检验用户" class="ncss2" style="width:78px;height:21px; padding:0;"></td>           </tr>           <tr>             <td class="data_table4_tr2">年费套餐：</td>             <td class="data_table4_tr1"><input type="text" class="input_width input_bian"></td>           </tr>           <tr>             <td class="data_table4_tr2">数量：</td>             <td class="data_table4_tr1"><input type="text" class="input_width input_bian"></td>           </tr>           <tr>             <td class="data_table4_tr2">姓名：</td>             <td class="data_table4_tr1">西门吹雪</td>           </tr>           <tr>             <td class="data_table4_tr2">邮编：</td>             <td class="data_table4_tr1">200083</td>           </tr>           <tr>             <td class="data_table4_tr2">地址：</td>             <td class="data_table4_tr1">某某省某某市某某路某某号</td>           </tr>           <tr>             <td class="data_table4_tr2">邮箱：</td>             <td class="data_table4_tr1">888@163.com</td>           </tr>         </table>                  <table class="data_table4">           <tr>             <td class="data_table4_tr3"></td>             <td class="data_table4_tr1"><input type="button" value=" 确 定 " class="ncss" onclick="add_others();InfoClose2();unlock2(lockform2);">               <input type="reset" value=" 取 消 " class="ncss" onclick="InfoClose2();unlock2(lockform2);">             </td>           </tr>         </table>       </div>     </div>   </div> </div> </body> </html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

模拟弹出菜单的代码_javascript技巧_