http://content.mqcdn.com/mobileweb-advanced-779/media/js/mqm-site.js

mapquest.js

(function() {
    var b = navigator.geolocation, i = [], m = {
        enableHighAccuracy: true,
        maximumAge: 5e3,
        timeout: 1e3 * 60 * 2
    }, g = null, c = null, n = 0, h = null, a = mqm.Util.isIOS5(), d = function() {
        if (b && !c) {
            if (a) {
                j();
            } else {
                c = navigator.geolocation.watchPosition(l, k, m);
            }
        }
    }, f = function() {
        if (b && c) {
            if (a) {
                window.clearInterval(c);
            } else {
                navigator.geolocation.clearWatch(c);
            }
            c = null;
        }
        g = null;
        i = [];
    }, e = function(o) {
        $(i).each(function(p, q) {
            if (q) {
                q(o);
            }
        });
    }, j = function() {
        try {
            navigator.geolocation.getxCurrentPosition(function(p) {
                n++;
                l(p);
            }, k, m);
        } catch (o) {
            console.log("error getting position");
        }
    }, l = function(o) {
        var p = {
            geoLocation: o
        };
        g = o;
        e(p);
        if (a) {
            window.setTimeout(j, 3e3);
        }
    }, k = function(o) {
        c = null;
        h = {
            error: o
        };
        e(h);
    };
    (function(o) {
        o.lastLocation = function() {
            return g;
        };
        o.addListener = function(q) {
            var p = i.push(q) - 1;
            d.call(this);
            return p;
        };
        o.removeListener = function(p) {
            delete i[p];
            if (this.numListeners() == 0) {
                f.call(this);
            }
        };
        o.numListeners = function() {
            var p = 0;
            $(i).each(function(q, r) {
                if (r) {
                    p++;
                }
            });
            return p;
        };
        o.stop = function() {
            f.call(this);
        };
        o.currentLocation = function() {
            var q = $.Deferred();
            if (this.lastLocation()) {
                q.resolve(this.lastLocation().coords);
            } else {
                var p = this;
                var r = this.addListener(function(s) {
                    q.resolve(p.lastLocation().coords);
                    p.removeListener(r);
                });
            }
            return q.promise();
        }, o.movedAtLeast = function(s) {
            var p = this;
            var r = $.Deferred();
            var t;
            var q = function(u) {
                p.currentLocation().done(function(v) {
                    var w = MQA.Util.distanceBetween({
                        lat: u.latitude,
                        lng: u.longitude
                    }, {
                        lat: v.latitude,
                        lng: v.longitude
                    }, "MI");
                    if (w >= s) {
                        r.resolve();
                        p.removeListener(t);
                    }
                });
            };
            this.currentLocation().done(function(u) {
                t = p.addListener(function() {
                    q(u);
                });
            });
            return r;
        };
    })(LocationManager.prototype);
})();

(just a portion, gist didn't like a 33K line file. :()