var sopra = true
var outc0 = new Image();
outc0.src = "graph/uffb_out.gif";
var out0 = new Image();
out0.src = "graph/uff_out.gif";
var in0 = new Image();
in0.src = "graph/uff_in.gif";
var outc1 = new Image();
outc1.src = "graph/assb_out.gif";
var out1 = new Image();
out1.src = "graph/ass_out.gif";
var in1 = new Image();
in1.src = "graph/ass_in.gif";
var outc2 = new Image();
outc2.src = "graph/bibb_out.gif";
var out2 = new Image();
out2.src = "graph/bib_out.gif";
var in2 = new Image();
in2.src = "graph/bib_in.gif";
function change(n, stringa)
	{
   var men = new Image();
   men.src = stringa;
   document.images[n].src=men.src;
	}
function msg(testo)
	{
	alert(testo)
	}