3rd nested menu not showing

[Chris Du]

i'm using the radmenu and the 3rd nested menu is not showing.... can someone help?

 <radM:RadMenu
                ID="rmUserMenu"
                AppendDataBoundItems="True"
                Skin="Intranet"
                runat="server"
                Width="100%"
                DefaultGroupSettings-OffsetX="20">
                <Items>
                    <radM:RadMenuItem
                        runat="server"
                        Text="Referral"
                         NavigateUrl="~/Referral.aspx">                        
                    </radM:RadMenuItem>
                    <radM:RadMenuItem ID="RadMenuItem5"
                        runat="server"
                        Text="New"
                            NavigateUrl="~/new.aspx?i=0">
                    </radM:RadMenuItem>
                    <radM:RadMenuItem ID="RadMenuItem6"
                        runat="server"
                        Text="Document"
                            NavigateUrl="~/Document.aspx">
                    </radM:RadMenuItem>
                    <radM:RadMenuItem ID="RadMenuItem16"
                        runat="server"
                        Text="Admin">
                            <Items >
                                <radM:RadMenuItem ID="RadMenuItem3"
                                    runat="server"
                                    Text="Staff"
                                    NavigateUrl="~/Staff.aspx">
                                </radM:RadMenuItem>
                                <radM:RadMenuItem ID="RadMenuItem7"
                                    runat="server"
                                    Text="Data">
                                        <Items>
                                            <radM:RadMenuItem ID="RadMenuItem8"
                                                runat="server"
                                                Text="Reason"
                                                 NavigateUrl="~/Data.aspx?i=1">                        
                                            </radM:RadMenuItem>
                                            <radM:RadMenuItem ID="RadMenuItem9"
                                                runat="server"
                                                Text="Form"
                                                 NavigateUrl="~/DataMgmt.aspx?i=2">                        
                                            </radM:RadMenuItem>
                                            <radM:RadMenuItem ID="RadMenuItem10"
                                                runat="server"
                                                Text="Notified"
                                                 NavigateUrl="~/DataMgmt.aspx?i=3">                        
                                            </radM:RadMenuItem>                                           
                                        </Items>
                                </radM:RadMenuItem>
                            </Items>
                    </radM:RadMenuItem>                                         
                </Items>
            </radM:RadMenu>

[Chris Du]

problem fixed by removing the filter item in the css file