crazy way to inspect page visits count and site visits count

visit_events.js

$(function()
{
    //============ Subscribe on events example ==
    //    $(document).on('pvc_changed', function(event, pvc_count){
    //        alert(pvc_count);
    //    });
    //
    //    $(document).on('svc_changed', function(event, svc_count){
    //        alert(svc_count);
    //    });
    //===========================================

    var d = new Date()
    var id = d.getMinutes() + '.' + d.getSeconds() + '.' + d.getMilliseconds();
    add_site_viewer(id);

    var pvc = update_cookie_count('page_visits_count', 1);
    $(document).trigger('pvc_changed', pvc);

    if (compareVisitAndLeaveTime(new Date()))
    {
        var svc = update_cookie_count('site_visits_count', 1);
        $(document).trigger('svc_changed', svc);
    }
    $(window).bind('beforeunload', function() {

        if (!window.btn_clicked) {

            var length = remove_site_viewer(id);

            if (length == 0) {
                setLeaveTime();
            }
        }
    });

    function update_cookie_count(name, update_on)
    {
        if ($.cookie(name) == null)
        {
            $.cookie(name, 1);
            return 1;
        }
        else
        {
            var count = parseInt($.cookie(name));
            count = count + update_on;
            if(count < 0) {
                count = 0;
            }
            $.cookie(name, count);
            return count;
        }
    }

    function remove_site_viewer(id)
    {
        var array = [];
        if ($.cookie('site_viewers') == null)
        {
            array = []
        }
        else {
            var viewers_row = $.cookie('site_viewers');
            array = JSON.parse(viewers_row);
        }

        var index = array.indexOf(id);
        array.splice(index, 1);

        $.cookie('site_viewers', JSON.stringify(array));
        return array.length;
    }

    function add_site_viewer(id)
    {
        var array = [];
        if ($.cookie('site_viewers') == null)
        {
            array = []
        }
        else {
            var viewers_row = $.cookie('site_viewers');
            array = JSON.parse(viewers_row);
        }

        array.push(id);

        $.cookie('site_viewers', JSON.stringify(array));
    }

    function setLeaveTime()
    {
        var leave_time = new Date();
        $.cookie('leave_time', leave_time);
    }

    function compareVisitAndLeaveTime(visit)
    {
        var leave = Date.parse($.cookie('leave_time'))
        var delta = (visit - leave) / 1000.0 / 60.0;
        //wait 5 minutes before decide that it's a new site visit
        return delta >= 5.0
    }

});