// Declare the fades
var set1 = new Fade("set1", 5000);
var set2 = new Fade("set2", 5000);
var set3 = new Fade("set3", 5000);

// Start both fades when the page loads
addLoadEvent(set1.start_fade);
addLoadEvent(set2.start_fade);
addLoadEvent(set3.start_fade);