var arr = window.location.search.substring(1).split(/=/);
    if(arr[1]) {
        arr[1] = arr[1].replace('http://','');
    }
    if(arr[1]) {
        $('body').css('background-image', 'url(//' + arr[1] + ')');
        //document.getElementById('th').src = 'https://'+arr[1];
    } else {
        //document.getElementById('th').style.display = 'none';
    }
    function start()
    {
        window.location = 'embed-'+arr[0]+'.html?ref_url=' + encodeURIComponent(document.referrer);
        return false;
    }