Controlling Node on <telerik:RadSiteMapNode

[mauricio]

Greetings Developers, im working with this structure, the problem is that i cannot hide a node: - i'm looking a control for the node, i want to display the menuNode for some authentications and not for others
 1.-
Not able to add an ID, tells me "object its not in the current context"
i was looking for  this solution and to  implement jquery .hide(), but
doesn't work
"<telerik:RadSiteMapNode 
NavigateUrl="../Honorarios/GenerarPrevio.aspx?sbmH=GP" Text="Generar
Previo" ClientIDMode="AutoID" runat="server">"  <div class="Menu">
                    <div id="MegaDropDown">
                       
<telerik:RadMenu runat="server" ID="RadMenu1" Skin="Sitefinity"
OnClientItemOpened="itemOpened" EnableRoundedCorners="true"
ClickToOpen="True"
                            Width="895" Height="48" EnableShadows="true" Font-Underline="True" Style="top: 0px; left: 0px">
                            <Items>
                                <telerik:RadMenuItem Text="Honorarios" Width="106px" runat="server">
                                    <Items>
                                        <telerik:RadMenuItem CssClass="Honorarios" Width="880" runat="server">
                                            <ItemTemplate>
                                                <!--Submenu-->
                                                <div id="CatWrapper" class="Wrapper" runat="server" >
                                                   
<telerik:RadSiteMap ID="RadSiteMap1" runat="server"
EnableTextHTMLEncoding="true" BackColor="Red" i >
                                                        <LevelSettings>
                                                            <telerik:SiteMapLevelSetting Level="0">
                                                                <ListLayout RepeatColumns="2" />
                                                            </telerik:SiteMapLevelSetting>
                                                        </LevelSettings>
                                                       <Nodes>
                                                           
<telerik:RadSiteMapNode 
NavigateUrl="../Honorarios/GenerarPrevio.aspx?sbmH=GP" Text="Generar
Previo" ClientIDMode="AutoID" runat="server">
                                                            </telerik:RadSiteMapNode>
                                                           
<telerik:RadSiteMapNode
NavigateUrl="../Honorarios/SegFol.aspx?sbmH=SF" Text="Seguimiento de
Folios" >
                                                            </telerik:RadSiteMapNode>
                                                                </Nodes>
                                                    </telerik:RadSiteMap>
                                                </div>
                                            </ItemTemplate>
                                        </telerik:RadMenuItem>
                                    </Items>
                                </telerik:RadMenuItem> i hope you can help me, thanks & sorry for my bad grammar.