dataLayer = [];
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');

// Google tag management
ga('require', 'linkid', 'linkid.js');
ga('require', 'ec');   // Load the enhanced ecommerce plug-in.
ga('require', 'displayfeatures');
ga('send', 'pageview');

// cross domain tracking
ga('require', 'linker');
ga('linker:autoLink', ['checkout.buydomains.com', 'buydomains.com']);

// IP Address tracking for BOT identification
ga('set', 'IP', '54.240.145.52');

        /**
         * custom event and page tracking helper functions
         */
        var customGATracking = {

            // track a specific event then redirect to new location if needed
            eventTrack: function(cat, act, opt_label, opt_value, follow) {
                                if (!follow) var follow = false;
                
                dataLayer.push({
                'event': 'GAEvent',
                'uaCat': cat,
                'uaAct': act,
                'uaOptLabel': opt_label,
                'uaOptValue': opt_value
                });

                if (follow !== false) {
                    window.location = follow;
                    return false;
                }
            },

            // track a custom page view
            pageTrack: function(uri) {
                                dataLayer.push({
                'event':'VirtualPageview',
                'vpURI': uri,
                'vpTitle': 'Virtual Page View'
                });

            },

            // track specific links being clicked
            linkEvent: function(cat, act, val, uri) {
                                customGATracking.eventTrack(cat, act, val);
                setTimeout(function() {
                    window.location = uri;
                }, 500);
                return false;
            },
            gaStartTime: false,
            gaTimer: { 'start': 0, 'end': 0 },
            gaTrackTiming: function(event, category, el, label) {
                var endTime = new Date().getTime();
                var timeSpent = endTime - customGATracking.gaStartTime;
		                ga('send', 'timing', category, el, timeSpent, label);
            },
            gaStartTiming: function() {
                        customGATracking.gaStartTime = new Date().getTime();
            },
            startTimer: function() {
                        customGATracking.gaTimer['start'] = new Date().getTime();
            },
            endTimer: function(cat, el) {
                customGATracking.gaTimer['end'] = new Date().getTime();
                var tdiff = customGATracking.gaTimer['end'] - customGATracking.gaTimer['start'];
                        ga('send', 'timing', timingCategory, timingVariable, timingValue, optLabel);
            }
        }