
_getTimeFromIndex:function(h){var i=this.get_visibleRangeStart();Telerik.Web.UI.RadScheduler._incrementTime(i,0,this._slotDurationInMinutes*h.intervalIndex);return i;}
<script type="text/javascript">   Telerik.Web.UI.Editor.RemoveExtraBrakes.prototype.getHtmlContent = function (content) {      return content;   }   Telerik.Web.UI.Editor.StripJunkFilter.prototype.getHtmlContent = function (content) {      return content;   } </script>Hi,
    I've been encountering a problem when I use RadScriptManager. In the master page, I registered the Telerik.Web.UI and added the RadScriptManager. 
| <%@ Register Assembly="Telerik.Web.UI, Version=2008.1.619.20, Culture=neutral, PublicKeyToken=121fae78165ba3d4" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> | 
| <telerik:RadScriptManager ID="ScriptManager1" runat="server" EnableTheming="True"/> | 
But when I try to use this master page, I get an error. The error says: 
NullReferenceException: Object reference not set to an instance of an object.]
   Telerik.Web.UI.WebResource.Exists(String path, String applicationPath) +257
   Telerik.Web.UI.RadScriptManager.OnPreRender(EventArgs e) +80
   System.Web.UI.Control.PreRenderRecursiveInternal() +77
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1360
I am not sure what the problem is or where to start looking. I tried removing the RadScriptManager and use <asp:ScriptManager> instead and the error is gone. Can somebody help me with this?
Thank you!
Regards,
Francis