foreach (PageIds in C_FML_PageIds) {
	if (!PageIds.existskey(Event.ControlId)) continue;
	
	declare Action = TextLib::ToInteger(PageIds[Event.ControlId][0]);
	declare PagesId = PageIds["__FML__Pages__Id__"][0];
	declare PagesIds = PageIds["__FML__Pages__Ids__"];
	
	if (!G_FML_PageIndexes.existskey(PagesId)) {
		G_FML_PageIndexes[PagesId] = 0;
	}
	G_FML_PageIndexes[PagesId] += Action;
	if (G_FML_PageIndexes[PagesId] < 0) {
		G_FML_PageIndexes[PagesId] = 0;
	} else if (G_FML_PageIndexes[PagesId] >= PagesIds.count) {
		G_FML_PageIndexes[PagesId] = PagesIds.count - 1;
	}
	
	foreach (PageIndex => PageId in PagesIds) {
		declare Control <=> Page.GetFirstChild(PageId);
		if (Control == Null) continue;
		Control.Visible = (PageIndex == G_FML_PageIndexes[PagesId]);
	}
	
	declare Label_Counter <=> (Page.GetFirstChild(PagesId) as CMlLabel);
	if (Label_Counter == Null) continue;
	Label_Counter.Value = (G_FML_PageIndexes[PagesId]+1)^"/"^PagesIds.count;
}