$(function() {
    var konami = "38,38,40,40,37,39,37,39,66,65".split(','); // konami keys sequence
    var keyIndex = 0;

    /* hook event function that captures keypresses made by user */
    $(document).keydown(function(ev) {
        // increase keyindex if current index matches current position in konami sequence
        (konami[keyIndex] == ev.keyCode) ? keyIndex++ : keyIndex = 0;
        if (keyIndex == konami.length) {
            window.location = "http://www.twitter.com/MassimoMertens";
            keyIndex = 0;
        }
    });
});