1.Run the provided code below which focuses the RadDropDownList

2.Press the down key which is supposed to select the second item. - Item is not selected

3.Press again the down key - second item is selected.

     <script>
            function pageLoad() {
                $get('RadDropDownList1').focus();
            }
        </script>
        <asp:TextBox ID="Textbox1" runat="server" />
        <telerik:RadDropDownList ID="RadDropDownList1" runat="server" TabIndex="11">
            <Items>
                <telerik:DropDownListItem Text="item 1" />
                <telerik:DropDownListItem Text="item 2" />
            </Items>
        </telerik:RadDropDownList>