var esclude = "";

leggi_programma_0 = new Image();
leggi_programma_0.src = "images/leggi_off.gif";
leggi_programma_1 = new Image();
leggi_programma_1.src = "images/leggi_on.gif";

come_arrivare_0 = new Image();
come_arrivare_0.src = "images/come_arrivare_off.gif";
come_arrivare_1 = new Image();
come_arrivare_1.src = "images/come_arrivare_on.gif";

scarica_0 = new Image();
scarica_0.src = "images/scarica_off.gif";
scarica_1 = new Image();
scarica_1.src = "images/scarica_on.gif";

function rollImg(imgname,status){
if(imgname != esclude){
	if (status== 1) document.images[imgname].src = eval(imgname + "_1.src");
	if (status== 0) document.images[imgname].src = eval(imgname + "_0.src");
	}
}

function setEscludeImage(imagename)
{
	document.images[imagename].src = eval(imagename + "_1.src");
	esclude = imagename;
}