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=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];}
}

function aprichiudi(item) {
   elem=document.getElementById(item);
   visibile=(elem.style.display!="none")
   prefisso=document.getElementById("menu" + item);
   if (visibile) {
     elem.style.display="none";
     prefisso.innerHTML="<img src='open.gif' width='14' height='14' hspace='0' vspace='0' border='0'>";
   } else {
      elem.style.display="block";
      prefisso.innerHTML="<img src='close.gif' width='14' height='14' hspace='0' vspace='0' border='0'>";
   } 
}
   
function espanditutto() {
	base_elem = document.getElementById('menusx_level_1');
    divs=base_elem.getElementsByTagName("div");
    for (i=0;i<divs.length;i++) {
    divs[i].style.display="block";
    prefisso=document.getElementById("menu" + divs[i].id);
	prefisso.innerHTML="<img src='close.gif' width='14' height='14' hspace='0' vspace='0' border='0'>";
   }
	col_centrale = (document.getElementById("centrale")).offsetHeight;
	col_left = (document.getElementById("column_left")).offsetHeight;
	if (col_centrale < col_left){
		document.getElementById("centrale").style.height = col_left+'px'; 
		}
   }

function chiuditutto() {
	base_elem = document.getElementById('menusx_level_1');
    divs=base_elem.getElementsByTagName("div");
    for (i=0;i<divs.length;i++) {
     divs[i].style.display="none";
     prefisso=document.getElementById("menu" + divs[i].id);
     prefisso.innerHTML="<img src='open.gif' width='14' height='14' hspace='0' vspace='0' border='0'>";
   }
}

function popWin(theURL,winName,features) {
	var w;
	var h;
	var str;
	var inizio;
	var str;
	inizio = features.indexOf("width=") + 6;
	fine = features.indexOf(",",inizio);
	if (fine != -1) {
		str = features.substring(inizio,fine);
	} else {
		str = features.substring(inizio);
	}
	w = parseFloat(str)
	inizio = features.indexOf("height=") + 7;
	fine = features.indexOf(",",inizio);
	if (fine != -1) {
		str = features.substring(inizio,fine);
	} else {
		str = features.substring(inizio);
	}
	h = parseFloat(str)

	PosX = (screen.width - w) / 2;
	PosY = (screen.height - h) / 2;

	window.open(theURL,winName,features + ",left=" + PosX + ",top=" +
	PosY+",screenX=" + PosX +",screenY=" + PosY);
}

document.onclick = function(e) {
  e = e || event;
  var t = e.target || e.srcElement;
  while (t && t.nodeType == 1 && t.tagName.toLowerCase() != 'a')
     t = t.parentNode;

  if (t && t.nodeType == 1 && /\bpopup\b/.test(t.className)) {
	popWin(t.href,'','width=600,height=400,scrollbars=yes,status=yes,resizable=no');
    return false;
  }
  return true;
}