var UpVar=1;
function transition(DownVar){
	if(UpVar==DownVar){
		return false;
	} else {
		new Effect.Fade('p'+UpVar);
		new Effect.Appear('p'+DownVar, {delay:1.0});
		document.getElementById("feature"+UpVar).className = "active";
		document.getElementById("feature"+DownVar).className = "notactive";
		return false;
	}
}