Where a class-action complaint is filed before the statute of limitations expires, the complaint tolls the limitations period for all potential members of that class from the day of filing until the class certification is either denied or abandoned, at which point the potential members may file individually.The 1st District Appellate Court reversed and remanded a decision by Cook County Circuit Judge Rodolfo Garcia.On April 16, 2006, following a heavy rainstorm, sewers in far south suburban Glenwood backed up into several …