var oldObj;
function goToPic(obj, num){
myGallery.goTo(num);
}

function changeBG(num){
var tabs = document.getElementsByName("abaSwitch");
var obj = tabs[num];
obj.className="abaEscolhida";
if(oldObj&&oldObj!=obj){
oldObj.className="abaSwitch";
} else if(obj!=tabs[0]) {
tabs[0].className="abaSwitch";
}

oldObj = obj;
}
var myGallery;
var galleryLoad = function(){
myGallery=new Gallery('myGallery',{height:300, width:565, subtitleSelector:'span'});
dojo.connect(myGallery,'onEnd',changeBG);
myGallery.goTo(0);
}
dojo.addOnLoad(galleryLoad);