jsonp.js

function jsonp(u,d,cb){
    var rndKey = 'c' + Math.round(Date.now()) + '_' + jsonp.length;
    jsonp.cb[rndKey] = function(data) {
        cb(data);
    }
    d.callback = 'jsonp.cb.' + rndKey;
    var p = [];
    for (var e in d) {
        if (d.hasOwnProperty(e)) {
            p.push(encodeURIComponent(e) + '=' + encodeURIComponent(d[e]));
        }
    }
    var s = document.createElement('SCRIPT');
    s.src = u + (u.indexOf('?') > 0 ? '&' : '?') + p.join('&');
    document.body.appendChild(s);
}
jsonp.cb = {};