隐藏左框架问题

<body style="MARGIN: 0px" scroll=no onResize=javascript:parent.carnoc.location.reload()>
<script>
if(self!=top){top.location=self.location;}
function switchSysBar(){
if (switchPoint.innerText==3){
switchPoint.innerText=4
document.all("frmTitle").style.display="none"
}else{
switchPoint.innerText=3
document.all("frmTitle").style.display=""
}}
</script><table border="0" cellPadding="0" cellSpacing="0" height="100%" width="100%">
  <tr>
    <td align="middle" noWrap vAlign="center" id="frmTitle">左框架</td>
    <td bgcolor="A4B6D7" style="WIDTH: 9pt">
    <table border="0" cellPadding="0" cellSpacing="0" height="100%">
      <tr>
        <td style="HEIGHT: 100%" onClick="switchSysBar()">
        <font style="FONT-SIZE: 9pt; CURSOR: default; COLOR: #ffffff">
        <br>
        <br>
        <br>
        <br>
        <br>
        <span class="navPoint" id="switchPoint" title="关闭/打开左栏">3</span><br>
        <br>
        <br>
        <br>
        <br>
        </font></td>
      </tr>
    </table>    
</td>
<td style="WIDTH: 100%"> <p>右框架</p>
    <p>&nbsp;</p></td>
  </tr>
</table>如何把3 和4 改为图片 再网页上有图片替换3 4

解决方案 »

  1.   

    <body style="MARGIN: 0px" scroll=no onResize=javascript:parent.carnoc.location.reload()>
    <script>
        if (self != top) { top.location = self.location; }
        function switchSysBar() {
            var img = document.getElementById('imgSwitch');
            if (img.src == '关闭的图片地址') {
                img.src = '展开的图片地址';
                document.getElementById("frmTitle").style.display = "none"
            } else {
                img.src = '关闭的图片地址';
                document.getElementById("frmTitle").style.display = ""
            } 
        }
    </script><table border="0" cellPadding="0" cellSpacing="0" height="100%" width="100%">
      <tr>
        <td align="middle" noWrap vAlign="center" id="frmTitle">左框架</td>
        <td bgcolor="A4B6D7" style="WIDTH: 9pt">
        <table border="0" cellPadding="0" cellSpacing="0" height="100%">
          <tr>
            <td style="HEIGHT: 100%" onClick="switchSysBar()">
            <font style="FONT-SIZE: 9pt; CURSOR: default; COLOR: #ffffff">
            <br>
            <br>
            <br>
            <br>
            <br>
            <span class="navPoint" id="switchPoint" title="关闭/打开左栏"><img id="imgSwitch" src="关闭的图片地址" /></span><br>
            <br>
            <br>
            <br>
            <br>
            </font></td>
          </tr>
        </table>    
    </td>
    <td style="WIDTH: 100%"> <p>右框架</p>
        <p>&nbsp;</p></td>
      </tr>
    </table>
      

  2.   

    图片路径有问题 填相对路径不行 img.scr是 http：//localhost/imges/left.gif 这样的路径