<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script language="JavaScript">
var titleHeight = 22; //標(biāo)題的高度
var bodyHeight = 160; //菜單內(nèi)容項(xiàng)的高度
var groupcount = 4; //組的個(gè)數(shù)
var step = 3; //移動(dòng)速度
//顯示菜單的內(nèi)容
function showDiv(obj1, obj2)
{
//以下循環(huán)為改變標(biāo)題的背景顏色
for(i=0;i<document.all.tags("td").length;i++)
{
if (document.all.tags("td")[i].className == 'headtd')
document.all.tags("td")[i].bgColor = '#cccc66';
}
obj2.bgColor = '#cccc66';
moveme(obj1);
}
//移動(dòng)菜單內(nèi)容
function moveme(obj)
{
idnumber = parseInt(obj.id.substr(4));
objtop = titleHeight * (idnumber - 1);
objbuttom = bodyHeight + titleHeight * (idnumber - 2);
currenttop = parseInt(obj.style.top);
if (currenttop >= objbuttom)
{
//檢驗(yàn)出每一個(gè)應(yīng)該向上移動(dòng)的層
countid = 1;
for(i=0;i<document.all.tags("div").length;i++)
{
if (document.all.tags("div")[i].id == 'item'+countid+'body')
{
obj = document.all.tags("div")[i];
objtop = titleHeight * (countid - 1);
moveup(obj,objtop);
if (countid == idnumber)
break;
countid++;
}
}
}
else if ((currenttop <= objtop) && (idnumber < groupcount))
{
//檢驗(yàn)出每一個(gè)應(yīng)該向下移動(dòng)的層
idnumber++;
countid = groupcount;
for(i=document.all.tags("div").length-1;i>=0;i--)
{
if (document.all.tags("div")[i].id == 'item'+countid+'body')
{
obj = document.all.tags("div")[i];
objbuttom = bodyHeight + titleHeight * (countid - 2);
movedown(obj,objbuttom);
if (countid == idnumber)
break;
countid--;
}
}
}
}
//向上移動(dòng)的方法
function moveup(obj,objtop)
{
currenttop = parseInt(obj.style.top);
if (currenttop > objtop)
{
obj.style.top = currenttop - step;
window.setTimeout('moveup('+obj.id+','+objtop+')',1)
}
}
//向下移動(dòng)的方法
function movedown(obj,objbuttom)
{
currenttop = parseInt(obj.style.top);
if (currenttop < objbuttom)
{
obj.style.top = currenttop + step;
window.setTimeout('movedown('+obj.id+','+objbuttom+')',1)
}
}
</script>
<style type="text/css">
<!--showme
.headtd { border: 3px outset; border-color: #00bbFF #0007cc #0007cc #00aacc; cursor: hand; font-size: 10pt}
.bodytd { background: gray; border: 2px outset; border-color: #00aaFF #0007cc #0007cc #00aacc; font-size: 10pt}
-->
</style>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<div id="mainboard" style="position:absolute; left:2px; top:2px; width:120px; height:226px; z-index:3; overflow: hidden; background-color: #cccc66;">
<div id="item1body" style="position:absolute; left:0; top:0; width:120px; height:160px; z-index:1; overflow: hidden">
<table width="100%" border="0" height="100%" cellpadding="2" cellspacing="0">
<tr>
<td id="item1head" height="20" class="headtd" onClick="showDiv(item1body,this)" bgcolor="#cccc66">
<div align="center">第一級(jí)</div>
</td>
</tr>
<tr>
<td class="bodytd">
<div align="center">123</div>
</td>
</tr>
</table>
</div>
<div id="item2body" style="position:absolute; left:0px; top:160; width:120; height:160; z-index:2; overflow: hidden">
<table width="100%" border="0" height="100%" cellpadding="2" cellspacing="0">
<tr>
<td id="item2head" height="20" class="headtd" onClick="showDiv(item2body,this)" bgcolor="#cccc66">
<div align="center">第二級(jí)</div>
</td>
</tr>
<tr>
<td class="bodytd">
<div align="center">456</div>
</td>
</tr>
</table>
<p class="headtd"> </p>
</div>
<div id="item3body" style="position:absolute; left:0; top:182; width:120px; height:160; z-index:3">
<table width="100%" border="0" height="100%" cellpadding="2" cellspacing="0">
<tr>
<td id="item3head" height="20" class="headtd" onClick="showDiv(item3body,this)" bgcolor="#cccc66">
<div align="center">第三級(jí)</div>
</td>
</tr>
<tr>
<td class="bodytd">
<div align="center">789</div>
</td>
</tr>
</table>
</div>
<div id="item4body" style="position:absolute; left:0; top:204; width:120px; height:160; z-index:4; overflow: hidden">
<table width="100%" border="0" height="100%" cellpadding="2" cellspacing="0">
<tr>
<td id="item4head" height="20" class="headtd" onClick="showDiv(item4body,this)" bgcolor="#cccc66">
<div align="center">第四級(jí)</div>
</td>
</tr>
<tr>
<td class="bodytd">
<div align="center">000</div>
</td>
</tr>
</table>
</div>
</div>
</body>
</html>
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