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_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 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_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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


var win = null;
function popup(mypage,w,h){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	//h = h + 20;
	//w = w + 20;
	settings =
	'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+'no'+''
	ran_number= Math.round(Math.random()*100);
	
	winName = 'bla'+ran_number+h+w;
	window.open(mypage,winName,settings);
}
var win = null;
function popupscroll(mypage,w,h){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	//h = h + 20;
	//w = w + 20;
	settings =
	'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+'yes'+''
	ran_number= Math.round(Math.random()*100);
	
	winName = 'bla'+ran_number+h+w;
	window.open(mypage,winName,settings);
}
MM_preloadImages('img/main-img-on1.jpg','img/news_on.gif','img/informazioni_on.gif',
				 'img/stampa_on.gif','img/multimedia_on.gif','img/contatti_on.gif',
				 'img/mappasito_on.gif','img_quadratino_on.gif','img/navbar1_on1.gif',
				 'img/frecciadx_on.gif','img/frecciasx_on.gif',
				 'img/italiano_on.gif','img/inglese_on.gif');

function toggle(obj,tipo) {
	var el = document.getElementById(obj);
	if (!tipo) {
		if ( el.style.display != 'none' ) {
			el.style.display = 'none';
		}	else {
			el.style.display = 'block';
		}
	} else if (tipo == 'mostra') { el.style.display = 'block';
	} else if (tipo == 'nascondi') { el.style.display = 'none'; }
}