function changeAlternativeServices(b,a){type=document.getElementById("showAlternativeTypes").value;mapID="mapTickets";map=new GMap2(document.getElementById(mapID));map.clearOverlays();map.addControl(new GLargeMapControl());map.addControl(new GMapTypeControl());if(type=="service"){setMapToService();fillServicesByService()}else{setMapToArea();fillServicesByArea()}mapID="map"};