Frame 怎样调用JS方法来控制打开所传参数相对应的网页?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
</head>
<script type="text/javascript">
function GetRequest() {    var url = location.search; //获取url中"?"符后的字串

   var theRequest = new Object();

   if (url.indexOf("?") != -1) { 

   var str = url.substr(1);

   strs = str.split("&");

   for(var i = 0; i < strs.length; i ++) { 

 theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);

}

   }
   return theRequest;
}

function loctionleftFrame()
{
var Request = new Object();
Request = GetRequest();
var leftFrames,s_leftFrames,s_rightFrames;
leftFrames = Request["leftFrame"];
s_rightFrames= Request["s_rightFrame"];
s_leftFrames = Request["s_leftFrame"];
parent.leftFrame.location.href="../../JSP/Frame_left/"+leftFrames;
parent.s_rightFrame.location.href="../../JSP/Frame_right_list/"+s_rightFrames;
parent.s_leftFrame.location.href="../../JSP/Frame_mid_tree/"+s_leftFrames;
}

</script><frameset rows="80,*" cols="*" frameborder="NO" border="0" framespacing="0" onload="loctionleftFrame();">
    <frame src="top.html" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="topFrame" />
    <frameset cols="174,*"  frameborder="yes" scrolling="No" bgcolor="#ccebff"  border="1" framespacing="0">
       <frame src="Frame_left/NavBar.html" name="NavBar" scrolling="No" noresize="noresize" id="leftFrame" title="leftFrame" />
          <frameset rows="28,*" scrolling="No" frameborder="no" border="1" framespacing="0" >
              <frame src="MidTop.htm" scrolling="No" noresize="noresize"  name="s_topFrame" id="s_topFrame" title="s_topFrame" />
                <frameset cols="240,*" frameborder="no" scrolling="No"  border="0" framespacing="0" >
                  <frame src="Frame_mid_tree/enquiretree.htm" name="s_leftFrame" id="s_leftFrame" title="s_leftFrame" />
                  <frame src="Frame_right_list/enquire_all.htm"  scrolling="yes"  name="s_rightFrame" id="s_rightFrame" title="s_rightFrame" />
               </frameset>
          </frameset>
    </frameset>
</frameset>
<noframes>
<body>
</body>
</noframes>
</html>