String st = String.format("%,.2f", timeStart);
String sp = String.format("%,.2f", timeStop);
if (_case instanceof SimCaseCopy) {
SimCaseCopy cc = (SimCaseCopy) _case;
String ccs = _case.getid() + "(" + cc.getOriginal().getid() + ")";
this.setToolTipText("Case #" + ccs + "; Start: " + st + ", Stop: "
+ sp);
} else {
this.setToolTipText("Case #" + _case.getid() + "; Start: " + st
+ ", Stop: " + sp);