Hi, I have a problem with a Panel, I want to do that a Panel control to load a web page from click's MenuItem, but I have a error that It say:

Error: The object don't accept the property or the method 'load'

This code before it work with the version 0.8, Could you please help me with this probelm to version 2.0?

Thank you.

<script type="text/javascript">
function MenuItemClick(url) {
PCentro.load(url);
}
</script>


<ext:Viewport ID="vpNavegacion" runat="server" Layout="BorderLayout" Border="false">
<Items>
<ext:Panel ID="pOeste" runat="server" Collapsible="true" Layout="AccordionLayout" Region="West" Title="Menus" Width="175">
<Items>
<ext:MenuPanel ID="mpMenu1" runat="server" Title="Usuario" Icon="User">
<Menu runat="server">
<Items>
<ext:MenuItem ID="MenuItem1" runat="server" Text="Cambiar contraseña" Icon="ArrowRight">
<Listeners>
<Click Handler="MenuItemClick('http://www.salidero.com');" />
</Listeners>
</ext:MenuItem>
<ext:MenuItem ID="MenuItem2" runat="server" Text="Item 2" Icon="ArrowRight" />
<ext:MenuItem ID="MenuItem3" runat="server" Text="Item 3" Icon="ArrowRight" />
</Items>
</Menu>
</ext:MenuPanel>
</Items>
</ext:Panel>
<ext:Panel ID="PCentro" runat="server" Layout="FitLayout" Region="Center" Border="true" Title="Módulos" Icon="ApplicationCascade">
<Loader ID="Loader1" runat="server" Mode="Frame" Url="ChangePassword.aspx">
<LoadMask ShowMask="true" />
</Loader>
</ext:Panel>
</Items>
</ext:Viewport>