Charlies code for demo

gistfile1.js

//test
//Set an Interval on the function to run every 10 secs
setInterval(function() {
    //Get actual date
    var date = new Date();
    //console.log(date);
    var reDate = /(\d+)\/(\d+)\/(\d+)/;
    var days;
    //Make comment date into actual date format
    data = jQuery('a[title]').filter(function(){
        var a = jQuery(this);
        return a.text() && a.text().length!=0 || a.attr('title').match(reDate)
    });
        //getTimeDiff(a);
        //if ((a.text() && a.text().length===0) || !a.attr('title').match(reDate) ){return 0}
        //workout how long it has been between the post time and the actual time
    data.each(function () {
        var a = jQuery(this);
        var d = new Date(a.attr('title').replace(reDate, "$3/$2/$1"));
        console.log(d, 'd');
        var time_diff = date - d;
        var secs = time_diff/1000;
        var minutes = secs / 60;
        var hours = (minutes / 60);
        console.log(date, 'date');

        if(time_diff<1000) {
            a.text('less than 1 second');
        }else if(time_diff<6000) {
            a.text('less than a minute');
        }else if(time_diff<3600000) {
            if (minutes > 1) {
                a.text(parseInt(minutes) + ' minutes');
            }else{
                a.text(parseInt(minutes) + ' minute');
            }
        }else if(time_diff<86400000) {
            if (hours > 1) {
                a.text(parseInt(hours) + ' hours');
            }else{
                a.text(parseInt(hours) + ' hour');
            }
        }else if(time_diff>86400000) {
            msToDay(hours);
            if (days > 1) {
                a.text(parseInt(days) + ' days');
            }else{
                a.text(parseInt(days) + ' day');
            }
        }
    });
    //How many Days in milliseconds
    function msToDay(hours) {
        days = hours / 24;
        days = days % 24;
        days = parseInt(days);
        return days;
    }
}, 10000);