function BrowserDetect() {
   var ua = navigator.userAgent.toLowerCase(); 

   // browser engine name
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);

   // browser name
   this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
   this.isOpera       = (ua.indexOf('opera') != -1); 
   this.isIcab        = (ua.indexOf('icab') != -1); 
   this.isAol         = (ua.indexOf('aol') != -1); 
   this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isFirebird    = (ua.indexOf('firebird/') != -1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // rendering engine versions
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
   this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf('applewebkit/') + 12) ) : -1 );
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isGecko && !this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );
   }
   else if (this.isOmniweb) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('omniweb/') + 8 ) );
   }
   else if (this.isOpera) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera') + 6 ) );
   }
   else if (this.isIcab) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab') + 5 ) );
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   this.isWin    = (ua.indexOf('win') != -1);
   this.isWin32  = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac    = (ua.indexOf('mac') != -1);
   this.isUnix   = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux  = (ua.indexOf('linux') != -1);
   
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7);
   
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   
   this.isIE4xMac = (this.isIE4x && this.isMac);
}

function openWinNoHost(u, n, w, h, opt){
	var browser = new BrowserDetect();
	var options = '';
	
	if(browser.isSafari){
		w = w + 10;
		h = h + 5;
	}
	
	var centerLeft = Math.floor((screen.width/2)-(w/2));
	var centerTop = Math.floor((screen.height/2)-(h/2));
	options += ',top=' + centerTop + ',left=' + centerLeft;
	
	if(opt!='') options += ',' + opt;
	
	popz = window.open(u, n, 'width=' + w + ',height=' + h + options)
	popz.focus();
}

function openWin(u, n, w, h, opt){
	var browser = new BrowserDetect();
	var options = '';
	
	if(browser.isSafari){
		w = w + 10;
		h = h + 5;
	}
	
	var centerLeft = Math.floor((screen.width/2)-(w/2));
	var centerTop = Math.floor((screen.height/2)-(h/2));
	options += ',top=' + centerTop + ',left=' + centerLeft;
	
	if(opt!='') options += ',' + opt;
	
	popz = window.open(dUrl + u, n, 'width=' + w + ',height=' + h + options)
	popz.focus();
}

function CenteredPopup(url,x,y,name,sb,rs,st,lt,tb) {
	var win = null;
	var centerwidth=Math.floor((screen.width/2)-(x/2));
	var centerheight= Math.floor((screen.height/2)-(y/2));
	var scrollbarstext = 'scrollbars = no,';
	var resizabletext = 'resizable = no,';
	var statustext = 'status = no,';
	var locationtext = 'location = no,';
	var toolbartext = 'toolbar = no,';
	var features = '';
	if (sb == 1){
		scrollbarstext = 'scrollbars = yes,'
	}
	
	if (rs == 1){
		resizabletext = 'resizable = yes,'
	}
	
	if (st == 1){
		statustext = 'status = yes,'
	}
	
	if (lt == 1){
		locationtext = 'location = yes,'
	}
	
	if (tb == 1){
		toolbartext = 'toolbar = yes,'
	}
	
	features = scrollbarstext+resizabletext+statustext;
	features = features + locationtext+toolbartext;
	features = features + 'width = '+x+',height = '+y;
	features = features + ',top = ' + centerheight;
	features = features + ',left = ' + centerwidth;
	win = window.open(url, name, features);
}

function trim(s){ 
	s = s.replace(/^\s*/,'').replace(/\s*$/, ''); 
	return s; 
}

function findExtension(filePath){
	filePath = trim(filePath.substring(filePath.lastIndexOf(".")+1));
	return filePath;
}

function goToLink(qString){
	add = '';
	if(typeof isPreview != 'undefined' && trim(isPreview)!='')
		add = '&isPreview=' + isPreview;
	
	u = "?sid=" + sid + "&" + qString + add;
	
	/*if(parent.document)
		parent.document.location.href = dUrl + '/index.php' + u;
	else*/
	
		if(window.opener)
			openWin('/index.php' + u, '', screen.width - 40, screen.height - 40, 'scrollbars=yes,location=yes,menubar=yes,personalbar=yes,resizable=yes,toolbar=yes,scrollbars=yes,status=yes')
		else
			location.href = dUrl + page + u;
}

function goToPopup(qString, name, type){
	add = '';
	if(typeof isPreview != 'undefined' && trim(isPreview)!='')
		add = '&isPreview=' + isPreview;
	
	if(typeof type != 'undefined' && type == 'VIDEO'){
		page = 'popup_video.php';
		w = 421;
		h = 552;
	}else{
		page = 'popup.php';
		w = 690;
		h = 412;
	}
	
	openWin("/" + page + "?sid=" + sid + "&" + qString + add, name, w, h, 'scrollbars=yes')
}

function openImg(id, name, w, h){
	var browser = new BrowserDetect();
	if(browser.isSafari){
		w = w + 10;
		h = h + 5;
	}
	s = 'no';
	
	if(parseInt(w) > 1000){
		w = 1000;
		s = 'yes';
	}
	
	if(parseInt(h) > 750){
		h = 750;
		s = 'yes';
	}
	
	openWin("/popupImg.php?idM="+id, "img"+name, w, h, 'scrollbars=' + s)
}

//funzione per link rullo loghi
function rulloGoTo(id){
	add = '';
	if(typeof isPreview != 'undefined' && trim(isPreview)!='')
		add = '&isPreview=' + isPreview;
	
	location.href = dUrl + '/index.php?sid=' + id + add;
}


//form iscrizione alla newsletter
function validateNewsletter(theForm){

	if (theForm.email.value.length < 6 || theForm.email.value.indexOf(".") == -1 || theForm.email.value.indexOf("@") == -1){
		alert("Inserire un indirizzo e-mail valido");
		theForm.email.focus();
		return false;
	}   
	/*
	if (theForm.usertype[0].checked == false && theForm.usertype[1].checked == false){
		alert("Selezionare una risposta alla domanda");
		return false;
	}
*/
	theForm.submit()
}


/*PAGINA SCOPRI IL PACCHETTO MONDO SKY*/
var SKYFlags = new Array()
SKYFlags[1]=false
SKYFlags[2]=false
SKYFlags[3]=false
SKYFlags[4]=false
SKYFlags[5]=false
SKYFlags[6]=false

var SKYview = 0;

function SKY(pNum,ancora){
	
	if (SKYFlags[pNum]){
		DIV_hide('SKY_' +pNum)
		SKYview = 0;
	}else{
		if(SKYFlags[SKYview]) DIV_hide('SKY_' +SKYview)
		SKYview = pNum;
		DIV_show('SKY_' +pNum)
	}
	
	SKYFlags[pNum] = !SKYFlags[pNum];
	
	location.href = "#" + ancora;
	
}

function DIV_getStyle(tID) {
	if(document.getElementById)	return document.getElementById(tID).style;
	else if(document.all)		return document.all[tID].style;
	else if(document.layers)	return document.layers[tID];
	return false;
}

function DIV_show(pID) {
	var t		= DIV_getStyle(pID)
	t.display	= ''
	return		true
}

function DIV_hide(pID) {
	var t		= DIV_getStyle(pID)
	t.display	= 'none'
	return		true
}