NS_NewISupportsArray(getter_AddRefs(mRangeArray));
nsTypedSelection::nsTypedSelection(){  mFrameSelection = nsnull;  mFixupState = PR_FALSE;  mDirection = eDirNext;  NS_NewISupportsArray(getter_AddRefs(mRangeArray));  mAutoScrollTimer = nsnull;  NS_NewISupportsArray(getter_AddRefs(mSelectionListeners));  NS_INIT_ISUPPORTS();  mScrollEventPosted = PR_FALSE;}