function prova()
{
	
	setTimeout("new Effect.Appear(\'div2\',{duration:3})",5000);
	setTimeout("new Effect.Appear(\'div3\',{duration:3})",10000);
	var i=0;
	for (a=0;a<100;a++)
	{
		
		setTimeout("new Effect.Fade(\'div3\',{duration:3})",15000+i);
		setTimeout("new Effect.Fade(\'div2\',{duration:3})",20000+i);
	
		setTimeout("new Effect.Appear(\'div2\',{duration:3})",25000+i);
		setTimeout("new Effect.Appear(\'div3\',{duration:3})",30000+i);
		i=i+20000;
	}



}