frameset的问题

<html>
<head>
<meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>asdfsdaf</title>
<SCRIPT language=JavaScript type="">nereidFadeObjects = new Object();
nereidFadeTimers = new Object();function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",10000);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}
<!--
var sitepop;
function pop(url)
   {
   sitepop = window.open (url,"Config","fullscreen=no,location=no,toolbar=no,menubar=no,scrollbars=yes,status=no,resizable=yes,width=550,height=440");
//document.location = document.location
   }function popdv(url)
   {
   sitepop = window.open (url,"dvalley","fullscreen=1,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0");
//document.location = document.location
   }//--->
</SCRIPT>
<script>
  if (window.screen) {
    var aw = screen.availWidth;
    var ah = screen.availHeight;
    window.moveTo((aw-760)/2, (ah-540)/2);
    window.resizeTo(760, 540);
  }
</script>
<script>
var Mouse_Obj="none";
var pX
var pY
document.onmousemove=D_NewMouseMove;
function m()
{
pX=event.x;
pY=event.y; 
Mouse_Obj="yes";
}
function D_NewMouseMove()
{
if(Mouse_Obj!="none")
{
parent.parent.moveBy(event.x-pX,0);
parent.parent.moveBy(0,event.y-pY);
event.returnValue=false;
}
}
function max()
{
  if (parent.parent.window.screen) {
    var aw = screen.availWidth;
    var ah = screen.availHeight;
    parent.parent.moveTo(0, 0);
    parent.parent.resizeTo(aw, ah);
  }
}</script>
</head>
<frameset framespacing="0" border="0" cols="138,6,20,*" frameborder="0">
  <frame name="left" scrolling="no" noresize target="rtop" src="index-left.asp">
  <frame name="left1" src="c.htm" scrolling="no" target="_self">
  <frame name="left2" src="b.htm" target="_self" scrolling="no" noresize>
  <frameset rows="24,*">
    <frame name="rtop" target="rtop" src="top_right.asp" scrolling="no">
      <frameset rows="460,13%">
        <frame src="main.asp" name="rbottom" scrolling="auto" marginheight="16" target="main" marginwidth="12" noresize>
        <frame src="bb.asp" name="rbottom2" scrolling="no" marginheight="25" target="_self">
      </frameset>
  </frameset>
  <noframes>
  <body>  <p>此网页使用了框架，但您的浏览器不支持框架。</p>  </body>
  </noframes>
</frameset></html>