function slide (id,tipo) {
	if (tipo == "in") {
		document.getElementById("uno").style.display= "none";
		document.getElementById("due").style.display= "none";
		document.getElementById("tre").style.display= "none";
		document.getElementById("quattro").style.display= "none";
		document.getElementById("cinque").style.display= "none";
		document.getElementById("sei").style.display= "none";
		new Effect.Appear(id, { duration: 0.3})
	}
	else {
			new Effect.Fade(id, { duration: 0.3})
			
	}
}