function ir(pagina){
	document.location.href=pagina;
}
function cambia(i,maxim){
	var src = "";
	switch(i){
		case 1:
			src = "images/percufest_ori.jpg";
			break;
		case 2:
			src = "images/fly1_2.png";
			break;
		case 3:
			src = "images/fly2_2.png";
			break;
		case 4:
		default:
			src = "images/sponsors/PustjensPercussionProducts.jpg";
			break;
	}
	document.getElementById("transicion").innerHTML="<img src='"+src+"' width='700' />";
	i++;
	if(i>maxim) i=0;
	setTimeout("cambia("+i+","+maxim+")" , 7000);
}