i have a user control with rad tool bar button like this
<telerik:RadToolBar ID="RadToolBar1" Runat="server"
EnableRoundedCorners="True" EnableShadows="True" Width="940px"
onbuttonclick="RadToolBar1_ButtonClick" onunload="RadToolBar1_Disposed">
<Items>
<telerik:RadToolBarButton CommandName="btn" Text="Add" ImageUrl="../Images/Add.png"
ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Update" ImageUrl="../Images/Edit.png" ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Delete" ImageUrl="../Images/Delete.png"
ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Refresh" ImageUrl="../Images/Refresh.png" ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Print" ImageUrl="../Images/Print.png"
ImagePosition="AboveText" Enabled="False" />
<telerik:RadToolBarButton Text="Close" ImageUrl="../Images/Close.png"
ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Save As" ImageUrl="../Images/SaveAs.png"
ImagePosition="AboveText" />
<telerik:RadToolBarButton Text="Itemtemplate">
<ItemTemplate>
<div id="loginAarea" style="margin-left:150px" >
<table style="margin-left: -50px;" >
<tr>
<td >
<telerik:RadTextBox ID="txtUserName" runat="server" Label="Added By"
Width="240" Height="16" Enabled="false" Font-Bold="True" ></telerik:RadTextBox>
</td>
<td>
<telerik:RadTextBox ID="txtLastUserName" runat="server"
Label="Last Updated By" Width="240" Height="16" Enabled="false"
Font-Bold="True" ></telerik:RadTextBox>
</td>
</tr>
<tr>
<td>
<telerik:RadTextBox ID="txtLoginDate" runat="server" Label="Date:"
Width="240" Height="16" Enabled="false" Font-Bold="True" ></telerik:RadTextBox>
</td>
<td>
<telerik:RadTextBox ID="txtLastLoginDate" runat="server" Label="Date:"
Width="240" Height="16" Enabled="false" Font-Bold="True" ></telerik:RadTextBox>
</td>
</tr>
</table>
</div>
</ItemTemplate>
</telerik:RadToolBarButton>
</Items>
</telerik:RadToolBar>
i add the rad tool bar with place holder on content page like this
Page.LoadControl("MenuStyle1.ascx");
Spinner1 = (ASP.MenuStyle1)LoadControl("MenuStyle1.ascx");
RadToolBar tlbar = (RadToolBar)Spinner1.FindControl("RadToolBar1");
place.Controls.Add(tlbar);
<asp:PlaceHolder ID="place" runat="server"></asp:PlaceHolder>
now i want to access the radtoolbar using javascript how i do that