// we would like this on the elastic transition physics so that once the effect is greater than 1.0
// we display, and below 1.0 we hide overshots.
// However, since this is only really applicable to the elastic transition physics and would carry an overhead
// for others, we allow a boolean to indicate if available or not.
if((displayOutsideBounds)&&(thePanel!=null)){
this.addEffectSteppingHandler(new EffectSteppingHandler(){
public void onEffectStep(EffectSteppingEvent handler) {
if(getProgressInterpolated()>1)
thePanel.getElement().getStyle().setProperty("overflow", "visible");
else
thePanel.getElement().getStyle().setProperty("overflow", "hidden");