导航菜单的展开

导航菜单的展开

下面为效果显示，窗口可控制

综合站点

专业站点

脚本说明:
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var winprops = "height=500,width=500,location=no,scrollbars=no,"
             + "menubars=no,toolbars=no,resizable=yes";
var visMnu = "";
var actMnu, url;

function menuHandler(actMnu,url)
{
   popup = window.open("http://"+url,"MenuPopup",winprops);
   hideMenu(actMnu);
   popup.focus()
}
function flipMenu(actMnu)
{
   if (visMnu == "")
      showMenu(actMnu);
   else
   {
      if (visMnu == actMnu)
         hideMenu(actMnu);
      else
      {
         hideMenu(visMnu);
         showMenu(actMnu);
      }
   }
}
function showMenu(actMnu)
{
   actMnu.style.background = "#889933"; /* modify menu-background-color */
   actMnu.style.visibility = "visible";
   visMnu = actMnu;
}
function hideMenu(actMnu)
{
   actMnu.style.background = ""; /* modify color "selected" */
   actMnu.style.visibility = "hidden";
   visMnu = "";
}
//  End -->
</script>
<table name=NaviBar border=0>
<colgroup width="110" span="2"></colgroup>
<tr bgcolor=#FF9933 style="cursor:default">
<td align=center onMousedown="flipMenu(document.all.Mnu1)"> 综合站点 </td>
<td align=center onMousedown="flipMenu(document.all.Mnu2)"> 专业站点 </td>
</tr>
<tr>
<td valign="top">
<table id=Mnu1 width=100% style="cursor:default; visibility:hidden;">
<tr><td onClick="menuHandler(Mnu1,'www.sohu.com/')"> <a href="#">
        搜狐 </a> </td></tr>
<tr><td onClick="menuHandler(Mnu1,'www.163.com/')"> <a href="#">
        网易 </a> </td></tr>
<tr><td onClick="menuHandler(Mnu1,'www.sina.com/')"> <a href="#">
        新浪网 </a> </td></tr>
<tr><td onClick="menuHandler(Mnu1,'www.263.net/')"> <a href="#">
        首都在线 </a> </td></tr>
</table>
</td>
<td valign="top">
<table id=Mnu2 width=100% style="cursor:default; visibility:hidden;">
<tr><td onClick="menuHandler(Mnu2,'www.aspsky.com/')"> <a href="#">
        动网 </a> </td></tr>
<tr><td onClick="menuHandler(Mnu2,'www.7stk.com/')"> <a href="#">
        资源网 </a> </td></tr>
<tr><td onClick="menuHandler(Mnu2,'www.phpuser.com/')"> <a href="#">
        PHP之家 </a> </td></tr>
</table>
</td>
</tr>
</table>