onViewChange

fires when the views are switched in the component (regardless of the switching method)

void onViewChange(string|number prevID,string|number nextID);

prevID	string\|number	the id of the view that is switched from
nextID	string\|number	the id of the view that is switched to

some.attachEvent("onViewChange", function(prevID, nextID){
    //... some code here ... 
});