OS: XP
IE. Version 8.0.6001.18702.xpsp_sp3_gdr.101209-1647
Telerik Version: 2012.2.912.40

Rad Notification control does not display on IE8. 

This control is being used to notify the user of a Session Timeout and provide the option to refresh.

Notable Items: 
1. No Javascript Errors on page. 
2. Z index is appropriate
3. X and Y is appropriate. 
4. debugging in javascript console, I can alert the control it returns instance [object]. however executing the "show()" method does nothing.
5. Javascript timer still executes on page and eventually kills the session but does not show popup.
6. Functions properly in other browsers, IE9,10, chrome etc... My requirement is IE8.

<telerik:RadNotification ID="RadNotification1" runat="server" OnClientShowing="OnClientShowing" LoadContentOn="PageLoad" 
    Position="Center" Title="Session Expiring" TitleIcon="" nableRoundedCorners="true" 
    ShowCloseButton="false" AutoCloseDelay="0">

....

I am using radnotification to notify that the data base operation message ,I putted this control on master page ,The issue is that the content page page load event always fire
So please provide solution for that