DT.Game.prototype.updateTimer = function (dtime) {
var sec, min;
this.timer += dtime;
sec = Math.floor(this.timer);
if (sec > Math.floor(this.timer - dtime) ) {
min = Math.floor(sec / 60);
sec = sec % 60;
sec = sec < 10 ? '0' + sec.toString() : sec;
DT.$title.html(min + ':' + sec + ' in digital trip');
}
};