CSS 带显示隐藏左部页面按钮
<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>
<BODY scroll=no ><table height="100%" cellspacing=0 cellpadding=0 width="100%" border=0>
<tr><td height="80" colspan="3"><iframe style="Z-INDEX: 2; VISIBILITY: inherit; WIDTH: 100%; HEIGHT: 80px " name=topfram src="Top.asp" frameborder=0></iframe></td></tr>
<tbody>
<tr>
<td id="frmTitle" valign=center noWrap align=middle><iframe style="Z-INDEX: 2; VISIBILITY: inherit; WIDTH: 205px; HEIGHT: 100%" name=leftfram src="Left.asp" frameborder=0></iframe></td>
<td bgcolor=#0095f9>
<table height="100%" cellspacing=0 cellpadding=0 border=0>
<tbody><tr bgcolor=#5F778B><td style="HEIGHT: 45%"></td></tr>
<tr id="lbar" bgcolor=#BCCAD7>
<td style="HEIGHT: 48" onClick=switchSysBar() onMouseOver="lbar.style.background='#F2F2F2';lbar.style.color='#000000'" onMouseOut="lbar.style.background='#BCCAD7';lbar.style.color='#FFFFFF'"><font style="FONT-SIZE: 8px; CURSOR: hand; FONT-FAMILY: Webdings"><span id=switchPoint>3</span></font></td>
</tr><tr bgcolor=#5F778B><td style="HEIGHT: 45%"></td></tr>
</tbody>
</table>
</td>
<td style="WIDTH: 100%"><iframe id=main style="Z-INDEX: 1; VISIBILITY: inherit; WIDTH: 100%; HEIGHT: 100%" name=mainfram src="Main.asp" frameborder=0 scrolling=yes></iframe></td>
</tr>
</tbody>
</table>