<script language="javascript">
//remember the scroll position for the div
function setScrollValue() {
var divObj = $get('<%= divcontent.ClientID %>');
var objHid = $get('<%= HiddenField1.ClientID %>');
if (objHid) objHid.value = divObj.scrollTop;
}
function pageLoad() {
var divObj = $get('<%= divcontent.ClientID %>');
var objHid = $get('<%= HiddenField1.ClientID %>');
if (divObj) divObj.scrollTop = objHid.value;
}
</script>
<asp:HiddenField ID="HiddenField1" runat="server" />
<div style="height:150px;overflow:scroll" id="divcontent" runat="server" onscroll="javascript:setScrollValue();"></div>