<!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=utf-8" />
<title>JS实现鼠标点击展开/隐藏表格行</title>
</head>
<body>
<script language="javascript">
function TestBlack(TagName){
var obj = document.getElementById(TagName);
if(obj.style.display==""){
obj.style.display = "none";
}else{
obj.style.display = "";
}
}
</script>
<table width="760" border="0" cellspacing="0" cellpadding="0">
<tr onclick="TestBlack('divc');">
<td width="760" height="20" bgcolor="#00CCFF">Click Me!</td>
</tr>
<tr id="divc">
<td width="760" height="60" bgcolor="#9966FF"></td>
</tr>
</table>
</body>
</html>