   ChatraID = 'jjb3L9DqAfuXf9nMT';
    (function(d, w, c) {
        var n = d.getElementsByTagName('script')[0],
            s = d.createElement('script');
        w[c] = w[c] || function() {
            (w[c].q = w[c].q || []).push(arguments);
        };
        s.async = true;
        s.src = (d.location.protocol === 'https:' ? 'https:': 'http:')
            + '//call.chatra.io/chatra.js';
        n.parentNode.insertBefore(s, n);
    })(document, window, 'Chatra');

window.ChatraSetup = {
    mode: 'frame',
    injectTo: 'meteor' 
};



	
	   Chatra('setColors', {
    chatBg: 'transparent' // фон
});



/*
    (function(d, w, c) {
        w.ChatraID = 'jjb3L9DqAfuXf9nMT';
        var s = d.createElement('script');
        w[c] = w[c] || function() {
            (w[c].q = w[c].q || []).push(arguments);
        };
        s.async = true;
        s.src = (d.location.protocol === 'https:' ? 'https:': 'http:')
        + '//call.chatra.io/chatra.js';
        if (d.head) d.head.appendChild(s);
    })(document, window, 'Chatra');

   ChatraID = 'jjb3L9DqAfuXf9nMT';
    (function(d, w, c) {
        var n = d.getElementsByTagName('script')[0],
            s = d.createElement('script');
        w[c] = w[c] || function() {
            (w[c].q = w[c].q || []).push(arguments);
        };
        s.async = true;
        s.src = (d.location.protocol === 'https:' ? 'https:': 'http:')
            + '//call.chatra.io/chatra.js';
        n.parentNode.insertBefore(s, n);
    })(document, window, 'Chatra');

window.ChatraSetup = {
    mode: 'frame',
    injectTo: 'meteor' 
};



	
	   Chatra('setColors', {
    chatBg: 'transparent' // фон
});

Update b.js