if (nsnull != cellMap)
if (nsnull != cellMap) {
PRInt32 nsTableFrame::GetColCount (){  PRInt32 colCount = 0;  nsTableCellMap* cellMap = GetCellMap();  NS_ASSERTION(nsnull != cellMap, "GetColCount null cellmap");  if (nsnull != cellMap)    colCount = cellMap->GetColCount();  return colCount;}