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 antispam(a,b) {
    document.location.href='mailto:'+a+'@'+b;
}


function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}


<!-- modulo contatti -->
function Modulo() {
    var nome = document.modulo.nome.value;
    var cognome = document.modulo.cognome.value;
    var telefono = document.modulo.telefono.value;
    var email = document.modulo.email.value;
    var info = document.modulo.info.value;

    var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;

    if ((nome == "") || (nome == "undefined")) {
        alert("Il campo Nome è obbligatorio.");
        document.modulo.nome.focus();
        return false;
    }
    else if ((cognome == "") || (cognome == "undefined")) {
       alert("Il campo Cognome è obbligatorio.");
       document.modulo.cognome.focus();
       return false;
    }
    else if ((isNaN(telefono)) || (telefono == "") || (telefono == "undefined")) {
       alert("Il campo Telefono è numerico senza spazi ed obbligatorio.");
       document.modulo.telefono.value = "";
       document.modulo.telefono.focus();
       return false;
    }
    else if (!email_reg_exp.test(email) || (email == "") || (email == "undefined")) {
       alert("Inserire un indirizzo email corretto.");
       document.modulo.email.select();
       return false;
    }
    else if ((info == "") || (info == "undefined") || (info.indexOf("Inserisci qui il tuo slogan!") != (-1))) {
       alert("Il campo Messaggio è obbligatorio.");
       document.modulo.info.focus();
       return false;
    } else {
        return true;
    }
}

function openPicture(imageName,imageWidth,imageHeight,alt,posLeft,posTop) {
    newWindow = window.open('',"newWindow","width="+imageWidth+",height="+imageHeight+",left="+posLeft+",top="+posTop);
    newWindow.document.open();
    newWindow.document.write('<html><HEAD><title>Aipa - Zoom</title></HEAD><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">');
    newWindow.document.write('<img src="'+imageName+'" width="'+imageWidth+'" height="'+imageHeight+'" alt="'+alt+'">');
    newWindow.document.write('</body></html>');
    newWindow.document.close();
    newWindow.focus();
}

function openPrint(url,w,h,pleft,ptop) {
    newWindow = window.open(url,"newWindow","width="+w+",height="+h+",left="+pleft+",top="+ptop);
    newWindow.print();
}


var menuaperto = 0;
function show(a) {
    for (f=1;f<25;f++) {
        lollo = document.getElementById('a'+f);
        if (typeof lollo == 'object' && lollo != null) {
            lollo.style.display = 'none';
        }
    }
    if (menuaperto > 0 && menuaperto == a) {
        menuaperto = 0;
    } else {
        document.getElementById('a'+a).style.display = 'block';
        menuaperto = a;
    }
}