// #############################

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_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_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; }
}



// #############################

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



// #############################

function AW_verifyFormSubmit(f) {
    var msg;
    var empty_fields = "";
    var errors = "";
    // Loop through the elements of the form, looking for all 
    // text and textarea elements that don't have an "optional" property defined.
    // Then, check for fields that are empty and make a list of them.
    // Also, if any of these elements have a "email" property defined,
    // then verify that they have the correct format of an e-mail.
    for(var i = 0; i < f.length; i++) {
        var e = f.elements[i];
        if ((e.type == "text") || (e.type == "textarea"))  {
            // First check for mandatory fields that are empty
            if (((e.value == null) || (e.value == "") || (e.value == " ")) && e.mandatory) {
                    errors += "- Il campo \"" + e.name + "\" e' obbligatorio.\n";
                continue;
            }
            // Now check for fields that are supposed to be numeric.
            if ((e.value != "") && e.numeric) { 
                var v = parseFloat(e.value);
                if ( isNaN(v) ) {
                    errors += "- Il valore <" + e.value + "> non e' numerico.\n";
                }
            }
            // Now check for fields that are supposed to be an e-mail.
            if (e.isemail) { 
                 var emailcheck = e.value;
                 if ((emailcheck.indexOf('@',0) == -1) || (emailcheck.indexOf('.',0) == -1)) {
                       errors += " - L'indirizzo \"" + e.name + "\" non e' corretto.\n";
                 }
            }
        }
    }
    // Now, if there were any errors, display the messages, and
    // return false to prevent the form from being submitted. 
    // Otherwise return true.
    if (!empty_fields && !errors) return true;
    msg  = "__________________________________________________\n\n"
    msg += "Attenzione. Errore nella sottomissione del form.\n";
    msg += "__________________________________________________\n\n"
    msg += errors;
    alert(msg);
    return false;
}