var banners3 = null;
var sessionid = '';
var rotationTime3=;
var bannerArea3='3';
var bannerNum3=;
var referrer3 = 'https://tangoygotan.faitango.it';

var exposeNum3 = bannerNum3;
var bannerPos3 = 0;
var urlLog3 = "https://tangoygotan.faitango.it/proxy.php?type=log";

if(document.attachEvent){
	document.attachEvent("onreadystatechange", bnnload3);
}else if(window.addEventListener){
	window.addEventListener('load', bnnload3, false );
}

function bnnload3() {
	if(banners3.length>0){   
        exposeNum3 = Math.min(bannerNum3, banners3.length);
        expose3();
        if(bannerNum3<banners3.length){
            setInterval(expose3, rotationTime3);
        }
    }
}

function checkClick3(element){
    sendViews3(element.getAttribute("data-banner"),element.getAttribute("data-campaign"),'click');
    return true;
}

function sendViews3(banner,campaign,action){
    var xhttp = new XMLHttpRequest();
    xhttp.open("POST", urlLog3, true);
    xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xhttp.send("SESSIONID="+sessionid+"&action="+action+"&banner="+banner+"&campaign="+campaign+"&ref="+referrer3);
}

function expose3(){
    var htmlCode = '';
    for(var i=0;i<exposeNum3;i++){
        htmlCode += '<a ' +
            'href="'+banners3[bannerPos3].url+'" ' +
            'target="_blank" ' +
            'onclick="return checkClick3(this)" ' +
            'data-banner="'+banners3[bannerPos3].banner+'" ' + 
            'data-campaign="'+banners3[bannerPos3].campaign+'" ' + 
            'class="bfturl bfturlnum'+i+'" ' + 
        '>' +
        '<img ' +
            'id="bannerImgFaitango" ' +
            'src="/proxy.php?type=img&url='+banners3[bannerPos3].image+'" ' +
            'alt="'+banners3[bannerPos3].alt+'" ' +
            'class="bftimg bftimgnum'+i+'" ' + 
        '/>' +
        '</a>';
        sendViews3(banners3[bannerPos3].banner,banners3[bannerPos3].campaign,'impression');
        bannerPos3 = (bannerPos3+1)%(banners3.length);
    }
    document.getElementById('bannerFaitango'+bannerArea3).innerHTML = htmlCode;
    //setTimeout(expose3, rotationTime3);
}