javascript的一个问题,请大侠帮忙,谢谢
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<script type="text/javascript">
function changenext(where)
{
document.location.hash=where;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<a id="one"><h1>第一部分</h1></a><br />
<asp:Button ID="Button1" Text="next1" OnClientClick="changenext('two')" runat="server" /><br /><hr />
<a id="two"><h2>第二部分</h2></a>
<asp:Button ID="btn2" Text="next2" runat="server" OnClientClick="changenext('three')" /><br /><hr />
<a id="three"><h2>第三部分</h2></a>
<asp:Button ID="btn3" Text="one" runat="server" OnClientClick="changenext('one')" />
</form>
</body>
</html>
为什么点击按钮时,一闪而过,看不到效果?