不同iframe調用

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html  xmlns ="http://www.w3.org/1999/xhtml"   >
< head >
     < title > 未命名頁面 </ title >
     < script  type ="text/javascript" > ...
        function a(framname,url)
        ...{
            document.getElementById(framname).setAttribute("src",url);
        }
     </ script >
</ head >
< body >
     < iframe  style ="width: 100%; height: 600px"  frameborder ="0"  id ="Main"  src ="top.aspx" >
     </ iframe >
     < br  />
     < a  href ="javascript:a('Main','http://blog.youkuaiyun.com/wkjs')" > 我的地盤 </ a >
</ body >
</ html >