<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
 <%
 String path = request.getContextPath();
 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 %>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <html>
   <head>
     <base href="<%=basePath%>">
     
     <title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">    
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
    window.οnlοad=function(){
    var oIframe=document.createElement('iframe');
    oIframe.src='right.jsp';
    document.body.appendChild(oIframe);
    oIframe.οnlοad=function(){
    alert(123);
   
    }
   //ie下的iframe的onload事件只能用绑定的形式 
    //oIframe.attachEvent('onload',function(){
   //  alert(123);
   // });
 };
 </script>
   </head>
   <body>
   
   </body>
 </html>