var active = '1';
var working;

function loslos() {
	new Effect.Appear('1');
	setInterval("change()",5000);
}

function change() {
	nt = parseInt(active) % 4 + 1;
	select(nt.toString());
}

function select(arg) {
	
	if((active == arg)||(working == 1)) {		
		return 0;
	}
	
	working = 1;
	
	new Effect.Fade(active);
	
	setTimeout("new Effect.Appear('"+arg+"')",1000);
	
	active = arg;
	
	setTimeout("working = 0",5000);
}