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 toggleTree(id){
    ulElement = document.getElementById('tm' + id);
    if (ulElement){
        if (ulElement.className == 'closed'){
        	ulElement.className = 'open';
        }else{
            ulElement.className = 'closed';
        }
    }

    ilElement = document.getElementById('i' + id);
    if(ilElement){
    	ilElement.src = (ulElement.className == 'open') ? 'img/sm_'+id+'_on.gif' : 'img/sm_'+id+'.gif';
    }
}

function chkCod(f){
    if(f.elements['cod'].value.length < 3){
        alert('Inserire un codice di almeno 3 cifre.');
        return false;
    }
    return true;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function clearClip(e){
	return false;
}

function Volano_Albero(v,x){
	if(v != ''){
	    x.value = '';
	}
}

function compilane(n,list,f){
	var totc = 0;
	var ix = list.split(",");
	for (i in ix){
	    if(f.elements[ix[i]].value){
	        totc++;
	    }
	}
	if(totc >= n){
	    return true;
	} else {
	    alert('Compilare almeno '+n+' campi del modulo.');
	    return false;
	}
}