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说明: 一个逐渐显示的下拉菜单
效果: 运行后查看！
代码: 要完成此效果需要两个步骤
第一步：把如下代码加入到<head>区域中
[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]
第二步：把如下代码加入到<body>区域中
<ilayer id="dropmenu01" height=35px>
<layer id="dropmenu02" visibility=show>
<span id="iewrap">
<span id="iewrap2" onClick="dropit2();event.cancelBubble=true;return
false">
<font face="宋体"><a href="#">本 站 栏 目</a></font>
</span>
</span>
</layer>
</ilayer>
<script language="JavaScript1.2">
var enableeffect=true
var selection=new Array()
selection[0]='<font face="宋体"><a href="LINK1.htm">LINK1</a></font><br>'
selection[1]='<font face="宋体"><a href="LINK2.htm">LINK2</a></font><br>'
selection[2]='<font face="宋体"><a href="LINK3.htm">LINK3</a></font><br>'
selection[3]='<font face="宋体"><a href="LINK4.htm">LINK4</a></font><br>'
selection[4]='<font face="宋体"><a href="LINK5.htm">LINK5</a></font>'
if (document.layers)
document.dropmenu01.document.dropmenu02.visibility='show'
function dropit2(){
if (document.all){
dropmenu03.style.left=document.body.scrollLeft+event.clientX-event.offsetX
dropmenu03.style.top=document.body.scrollTop+event.clientY-event.offsetY+18
if (dropmenu03.style.visibility=="hidden"){
if (enableeffect)
dropmenu03.filters.revealTrans.apply()
dropmenu03.style.visibility="visible"
if (enableeffect)
dropmenu03.filters.revealTrans.play()
}
else{
hidemenu()
}
}
}
function dropit(e){
if (document.dropmenu03.visibility=="hide")
document.dropmenu03.visibility="show"
else
document.dropmenu03.visibility="hide"
document.dropmenu03.left=e.pageX-e.layerX
document.dropmenu03.top=e.pageY-e.layerY+19
return false
}
function hidemenu(){
if (enableeffect)
dropmenu03.filters.revealTrans.stop()
dropmenu03.style.visibility="hidden"
}
function hidemenu2(){
document.dropmenu03.visibility="hide"
}
if (document.layers){
document.dropmenu01.document.dropmenu02.captureEvents(Event.CLICK)
document.dropmenu01.document.dropmenu02.onclick=dropit
}
else if (document.all)
document.body.onclick=hidemenu
</script>
<div id="dropmenu03" style="position:absolute;left:0;top:0;layer-background-color:seashell;background-color:seashell;width:100;visibility:hidden;border:1px
solid black;padding:0px">
<script language="JavaScript1.2">
if (document.all)
dropmenu03.style.padding='4px'
for (I=0;I<selection.length;I++)
document.write(selection[I])
</script>
</div>
<script language="JavaScript1.2">
if (document.layers){
document.dropmenu03.captureEvents(Event.CLICK)
document.dropmenu03.onclick=hidemenu2
}
</script>
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