这个怎样解决：页面左面有一个树形菜单，可以隐藏，隐藏后右面内容占据整个页面，把banner条都隐藏了，怎么解决呢？
1<script language="javascript">
2function move1()
3{
4parent.ep023.cols="192,9,*";
5}
6function move2()
7{
8parent.ep023.cols="0,9,*";
9}
10</script>
1<html>
2<head>
3<title>Untitled Document</title>
4<meta content="text/html; charset=utf-8" http-equiv="Content-Type"/>
5<link href="sys_images/model_1/index.css" rel="stylesheet" type="text/css"/>
6<script language="JavaScript">
7var timerID = null;
8var timerRunning = false;
9function stopclock (){
10if(timerRunning)
11clearTimeout(timerID);
12timerRunning = false;}
13function startclock () {
14stopclock();
15showtime();}
16function showtime () {
17var now = new Date();
18var hours = now.getHours();
19var minutes = now.getMinutes();
20var seconds = now.getSeconds()
21var timeValue = "" +((hours >= 12) ? "下午 " : "上午 " )
22timeValue += ((hours >12) ? hours -12 :hours)
23timeValue += ((minutes < 10) ? ":0" : ":") + minutes
24timeValue += ((seconds < 10) ? ":0" : ":") + seconds
25document.clock.thetime.value = timeValue;
26timerID = setTimeout("showtime()",1000);
27timerRunning = true;}
28</script>
29</head>
30<body bgcolor="#FFFFFF" leftmargin="0" marginheight="0" marginwidth="0" onload="startclock()" text="#000000" topmargin="0">
31<form action="" id="clock" method="post" name="clock">
32<table border="0" cellpadding="0" cellspacing="0" width="100%">
33<tr>
34<td valign="bottom"><div align="right"><img align="absmiddle" src="sys_images/model_1/main_topren.gif"/>在线人数</div></td>
35<td valign="bottom" width="30">
36<iframe border="0" frameborder="no" height="63" marginheight="0" marginwidth="0" scrolling="no" src="/newschool/icq/onlineuser.php" width="30"></iframe></td>
37<td background="sys_images/model_1/main.gif" height="63" valign="bottom" width="412"><div align="left"><img align="absmiddle" src="sys_images/model_1/main_time.gif"/>
38<input class="huaxian" maxlength="10" name="thetime" size="10" type="text"/>
39<a href="base.php" target="text"><img align="absmiddle" border="0" src="sys_images/model_1/fanhui.gif"/>返回首页</a> <a href="main_new.php?action=logout" onclick="return confirm('确定要退出吗?')" target="_parent"><img align="absmiddle" border="0" src="sys_images/model_1/main_exit.gif"/>退出系统</a></div></td>
40</tr>
41</table>
42<table background="sys_images/model_1/main_basetop.gif" border="0" cellpadding="0" cellspacing="0" height="25" width="100%">
43<tr>
44<td height="25"> </td>
45<td height="25" width="300"> <div align="left"> <a href="#" onclick="move1()"><img border="0" src="sys_images/model_1/left_show.gif"/></a> <a href="#" onclick="move2()"><img border="0" src="sys_images/model_1/left_hide.gif"/></a></div></td>
46</tr>
47</table>
48</form>
49</body>
50</html>
---------------------------------------------------------------
1<frameset border="1" cols="200,*" frameborder="yes" framespacing="0" id="main">
2<frame name="leftFrame" src="left.htm"/>
3<frame name="mainFrame" src="main.htm"/>
4</frameset>
script 脚本中
top.main.cols='0,'
top.main.cols='200,'