accerqueira

(function() {
    var request = new XMLHttpRequest();
    request.open('GET', 'https://api.coinmarketcap.com/v1/ticker/bitcoin/', true);

    request.onload = function() {
        if (request.status >= 200 && request.status < 400) {
            var data = JSON.parse(request.responseText);
            var market_cap_usd = Number(data[0].market_cap_usd);

            if (!('elBTC' in window)) {