// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function exec_BodyOnLoad() {
	MM_preloadImages('media/img/menu/menu_item1_on.gif','media/img/menu/menu_item2_on.gif','media/img/menu/menu_item3_on.gif','media/img/menu/menu_item4_on.gif');
}


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

function BrowserTagger() {

    var agt = navigator.userAgent.toLowerCase();

    /* BROWSER VERSION */
	var is_major	= parseInt(navigator.appVersion);
	var is_minor	= parseFloat(navigator.appVersion);

	/* INTERNET EXPLORER */
	var is_ie		= ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	var is_ie3		= (is_ie && (is_major < 4));
	var is_ie4		= (is_ie && (is_major == 4) && (agt.indexOf("msie 5") == -1));
	var is_ie4up	= (is_ie && (is_major >= 4));
	var is_ie5		= (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0") != -1));
	var is_ie5_5	= (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") != -1));
	var is_ie5up	= (is_ie && !is_ie3 && !is_ie4);
	var is_ie5_5up	= (is_ie && !is_ie3 && !is_ie4 && !is_ie5);
	var is_ie6		= (is_ie && (agt.indexOf("msie 6.0") != -1));

	/* NETSCAPE */
	var is_nav		= ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
						&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
						&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
	var is_nav2		= (is_nav && (is_major == 2));
	var is_nav3		= (is_nav && (is_major == 3));
	var is_nav4		= (is_nav && (is_major == 4));
	var is_nav4up	= (is_nav && (is_major >= 4));
	var is_navonly	= (is_nav && ((agt.indexOf(";nav") != -1) ||
						(agt.indexOf("; nav") != -1)) );
	var is_nav6		= (is_nav && (is_major == 5));
	var is_nav6up	= (is_nav && (is_major >= 5));
	var is_gecko	= (agt.indexOf('gecko') != -1);

	/* OTHER BROWSERS */
	var is_aol		= (agt.indexOf("aol") != -1);
	var is_opera	= (agt.indexOf("opera") != -1);
	var is_webtv	= (agt.indexOf("webtv") != -1); 

    /* PLATFORM */
	var is_win		= ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	var is_mac		= (agt.indexOf("mac")!=-1);
	var is_other	= (!is_win && !is_mac);
	
	

	/* STORE REFERENCES */
	this.is_agt		= agt;
	this.is_major	= is_major;
	this.is_minor	= is_minor;
	
	this.is_ie		= is_ie;
	this.is_ie3		= is_ie3;
	this.is_ie4		= is_ie4;
	this.is_ie4up	= is_ie4up;
	this.is_ie5		= is_ie5;
	this.is_ie5_5	= is_ie5_5;
	this.is_ie5up	= is_ie5up;
	this.is_ie5_5up	= is_ie5_5up;
	this.is_ie6		= is_ie6;
	
	this.is_nav		= is_nav;
	this.is_nav2	= is_nav2;
	this.is_nav3	= is_nav3;
	this.is_nav4	= is_nav4;
	this.is_nav4up	= is_nav4up;
	this.is_navonly	= is_navonly;
	this.is_nav6	= is_nav6;
	this.is_nav6up	= is_nav6up;
	this.is_gecko	= is_gecko;
	
	this.is_aol		= is_aol;
	this.is_opera	= is_opera;
	this.is_webtv	= is_webtv;

	this.is_win		= is_win;
	this.is_mac		= is_mac;
	this.is_other	= is_other;
}




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

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;
}