<style type="text/css"> <!-- .navPoint {COLOR: white; CURSOR: hand; FONT-FAMILY: Webdings; FONT-SIZE: 9pt} .STYLE1 {FONT-FAMILY: Webdings; FONT-SIZE: 9pt; cursor: hand;} --> </style> <script> 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 width="20%" align="middle" vAlign="center" noWrap bgcolor="#CC99FF" id="frmTitle" name="frmTitle"> </td> <td class=a2 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/> <br/> <br/> <br/> <font color="#FF0000"><br/> <br/> <br/> <br/> <br/> <span class="STYLE1" id="switchPoint" title="关闭/打开左栏">3</span><br/> <br/> <br/> <br/> <br/> <br/> </font><br/> <br/> 屏幕切换 </font></td> </tr> </table></td> <td bgcolor="#FFCC99" style="WIDTH: 100%"> </td> </tr> </table> 想把隐藏左右栏的那个按钮按成图片，改一下JS，IMG增加ID，这里id=aa，也可以换成其它的名称，参考如下： <script> function switchSysBar(){ if (document.all.aa.src.indexOf("bl_1")!=-1){ aa.src="images/al_1.gif" document.all("frmTitle").style.display="none" }else{ aa.src="images/bl_1.gif" document.all("frmTitle").style.display="" } } </script> <table width="100%" height="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="770" valign="top"> </td> <td width="10" onClick="switchSysBar()"><img id="aa" src="images/bl_1.gif" title="关闭/打开功能导航"></td> <td width="191" valign="top" id="frmTitle" name="frmTitle"> </td> </tr> </table>