function elem(cosa) {
	return document.getElementById(cosa);
}
function sopra(cosa, sino) {
	if(sino) {
		document.getElementById(cosa).style.opacity = "1";
		document.getElementById(cosa).style.filter = "alpha(opacity=100)";
	}else{
		document.getElementById(cosa).style.opacity = ".5";
		document.getElementById(cosa).style.filter = "alpha(opacity=50)";
	}
}
function mostra(cosa) {
	if(elem(cosa).style.display=="none") {
		elem(cosa).style.display="";
	}else{
		elem(cosa).style.display="none";
	}
}
function fine(num) {
	if(num == 3) {
		elem("caric").style.display="none";
	}
}
function apri(num) {
	window.open("scheda.php?ut="+num,"","width=500, height=300");
}