function cambiaSfondo (Oggetto, Immagine) {
  var Im = "url(" + Immagine + ")";
  document.getElementById(Oggetto).style.backgroundImage = Im; 
}

function ApriFinestra (Command, args, arg2, scroll) {
  var l, t, w, h;
  var barra;
  w = args;
  if (arg2) {
    h = arg2;
  } else {
    h = args;
  } 
  if (scroll) {
    barra = 1;
  } else {
    barra = 0;
  }
  l = (screen.width - w) / 2 ;
  t = (screen.height - h) / 2 ;  
  var oggi = new Date;
  var Finestra = 'Finestra' + oggi.getTime();
  window.open(Command, Finestra, "Status=1,Toolbar=0,Menubar=0,Scrollbars="+barra+",Resizeable=0,Height="+h+", Width="+w+",Top="+t+",Left="+l);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a = document.MM_sr; 
  for(i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
    x.src = x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; 
  if (d.images){ 
    if(!d.MM_p) 
      d.MM_p = new Array();
    var i,j = d.MM_p.length, a = MM_preloadImages.arguments; 
    for(i=0; i < a.length; i++)
      if (a[i].indexOf("#")!=0) { 
        d.MM_p[j] = new Image; 
        d.MM_p[j++].src = "./images/" + a[i];
      }
  }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  
  if (!d) 
    d=document; 
  if ((p=n.indexOf("?")) > 0 && parent.frames.length) {
    d = parent.frames[n.substring(p+1)].document; 
    n=n.substring(0,p);
  }
  if (!(x=d[n]) && d.all) 
    x = d.all[n]; 
  for (i=0; !x && i < d.forms.length; i++) 
    x = d.forms[i][n];
  for(i=0; !x && d.layers && i < d.layers.length; i++) 
    x = MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) 
    x = d.getElementById(n); 
  return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x, a = MM_swapImage.arguments; 
  document.MM_sr = new Array; 
  for(i=0; i < (a.length-2); i+=3)
    if ((x = MM_findObj(a[i])) != null) { 
      document.MM_sr[j++] = x; 
      if (!x.oSrc)
        x.oSrc = x.src; 
      x.src=a[i+2];
    }
}