WSJ -- As companies’ hiring freezes start to thaw, many laid-off individuals may see a chance to regain a position in their old companies. The odds of getting an old job back are better if you were let go for budgetary reasons and the company outlook has improved. But if a position was lost as part of a restructuring or consolidation, it may not be worth the effort. Here are a few things to consider if you’re trying to get your old job back.