function GetRadWindow() {
                                             var oWindow = null;
                                             if (window.radWindow) oWindow = window.radWindow;
                                             else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow;
                                             return oWindow;
                                         }
                                         function Close_and_load() {
                                             var _image = "<%= _diriamge %>";  
                                             GetRadWindow().close(_image);
                                         }