把这段代码贴到test.htm的最后面
<SCRIPT LANGUAGE="JavaScript">
<!--
ToggleNode(menu02,arrow02,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu03,arrow03,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu04,arrow04,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu05,arrow05,'images/arrow01top.gif','images/arrow01bottom.gif')
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
ToggleNode(menu02,arrow02,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu03,arrow03,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu04,arrow04,'images/arrow01top.gif','images/arrow01bottom.gif')
ToggleNode(menu05,arrow05,'images/arrow01top.gif','images/arrow01bottom.gif')
//-->
</SCRIPT>
function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
}}
</script>
應該是這個。