<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/JavaScript">
function jsd(a){
var demo = document.getElementById("demo");
var divArray = demo.getElementsByTagName("div");
for (var i=0;i<divArray.length;i++) {
if (divArray[i].id == a) {
divArray[i].style.display='';
}else {
divArray[i].style.display='none';
}
}
}
</script>
</head>
<body>
<div id="demo">
<div id="demo1">
<table width="200" border="1" bgcolor="#FFCC99">
<tr>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
</table>
</div>
<div id="demo2" style="display:none">
<table width="200" border="1" bgcolor="#CC9999">
<tr>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
</table>
</div>
<div id="demo3" style="display:none">
<table width="200" border="1" bgcolor="#00CCCC">
<tr>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
</table>
</div>
<select name="selId" onchange="jsd(this.value)">
<option value="demo1">0</option>
<option value="demo2">1</option>
<option value="demo3">2</option>
</select>
</div>
</body>
</html>