http://bugzserver/show_bug.cgi?id=24832

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@56734 954022d7-b5bf-4e40-9824-e11837661b57

Excel/model/autofilters.js

@@ -4785,7 +4785,7 @@ var gUndoInsDelCellsFlag = true;
 						isCurrenCell = false;
 						if(!isCurrenCell && cellId == buttons[num].id)
 							isCurrenCell = true;
-						if(buttons[num].hiddenRows[row])
+						if(null != buttons[num].hiddenRows && buttons[num].hiddenRows[row])
 						{
 							if(!isCurrenCell && cellId == buttons[num].id)
 								return false;