大平台可用的框架全文(控制隐藏)

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<!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>
        综合应用平台</title>

    <script type="application/javascript">
   //document.getElementById["mainFrame"].session["useridkkk"] = "中国人";
    </script>
    <script type="text/javascript">
 var closed = false;
 function onOff() {
  if (closed )  //需要显示菜单时触发
  {
  alert("开");
   closed = false;
   //window.document.getElementById("hide").style.visibility='hidden';
   //window.document.getElementById("show").style.visibility='visible';
   var  widthyy=window.screen.availWidth - 209;
   top.window.document.getElementById("yyLeft").width = 200;
   //top.window.document.getElementById("yyCenter").width = 9;
        //top.window.document.getElementById("yyRight").width= widthyy;
  }
  else {  //需要隐菜单时会触发
   alert("关");
   //document.getElementById("show").style.visibility='hidden';
   //document.getElementById("hide").style.visibility='visible';
   var  widthyy=window.screen.availWidth - 10;
   closed = true; //alert("关1   " + widthyy);
   top.window.document.getElementById("yyLeft").width =1;//alert("关2  "+top.window.document.getElementById("yyLeft").width);
   //top.window.document.getElementById("yyCenter").width =9;alert("关3  "+top.window.document.getElementById("yyCenter").width);
   //top.window.document.getElementById("yyRight").width= widthyy;alert("关4  " + top.window.document.getElementById("yyRight").width);
   
   
   //alert('');
  }
 }
</script>
</head>
<body style="margin: 0px; padding: 0px;overflow: hidden">
    <div id="divBody" style="width:100%;height:100%;position:absolute;">
    <table border="0" cellspacing="0" cellpadding="0" width="100%" height="100%" align="center" style="overflow: hidden" >
        <!-- 顶部 -->
        <tr height="74px" style="overflow: hidden" >
            <td width="100%" colspan="3" style="overflow:hidden" >
                <iframe src="http://www.baidu.com" name="topFrame" id="topFrame" width="100%" height="100%" scrolling = 'no'
                    style="overflow: hidden" frameborder="1"></iframe>
            </td>
        </tr>
        <!-- 中间-->
        <tr id="yyMiddle" >
            <!--left-->
            <td width='196px' height="100%" id = "yyLeft">
                <iframe name="leftFrame" id="leftFrame" width="100%" height="100%" frameborder="1"
                    src="http://www.baidu.com"></iframe>
            </td>
            <!--center-->
            <td width='9px' height='100%' id = 'yyCenter'>
                <iframe src="bar.htm" id="bar" name="bar" width="100%" height="100%" frameborder="1" scrolling = 'no'>
                </iframe>
            </td>
            <!--right-->
            <td id="yyRight" height="100%">
                <iframe name="mainFrame" id="mainFrame" src="http://www.baidu.com"
                    width="100%" height="100%" frameborder="0"></iframe>
            </td>
            <script type="text/javascript">
           var  widthyy=window.screen.width - 209;
           //var heightyy = window.screen.height - 71;
           window.document.getElementById("yyRight").width= widthyy;
           window.document.getElementById("yyMiddle").height =heightyy;
            </script>

        </tr>
    </table>
    </div>
    <input name="关" type="button" onclick="onOff()" />
    </body>
</html>

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