Hai ,
Please go through this link
http://stackoverflow.com/questions/4210798/how-to-scroll-to-top-of-page-with-javascript-jquery[
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It's may helpful for you. And also i check with following sample it's work for in all browsers.
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
function myfunction() {
$('yourpanelidhere').scrollTop(0);
return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button Text="text" runat="server" OnClientClick="myfunction()" />
<div id="checking" style="height: 150px; width: 50px; overflow-x: hiddem; overflow-y: auto;">
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</div>
</div>