Event.observe(window, "load", function() {

	// Logos
	
	// Caching images
	
	var img;
	var sets = new Array(
		$('logos-set-01'),
		$('logos-set-02'),
		$('logos-set-03')
	);
	
	
	var index = 1;
	var length = sets.length;
	var set = null;
	var lastSet = sets[0];
	new PeriodicalExecuter(function() {
		new Effect.Fade(lastSet, {
			duration: 1,
			afterFinish: function() {
				set = sets[index];
				new Effect.Appear(set, {
					duration: 1
				});
				lastSet = set;
				
				index++;		
				if (index == length) {
					index = 0;
				}				
			}
		});				
	}, 4);
});