Sets a special page for Flash - Integrated Windows Authentication
chould be also set to web.config appSettings : CuteWebUI.AjaxUploader.FlashUploadPage (RichTextEditor.AjaxUploader.FlashUploadPage for RichTextEditor)
Namespace: RTEAssembly: RichTextEditor (in RichTextEditor.dll) Version: 8.0.0.0 (8.0.0.0)