Roo.log(this.time);
Roo.log(this.time.format('i'));
Roo.log(Math.round((parseInt(this.time.format('i')) + this.minuteStep) / 5) * 5);
+ Roo.log(Math.round((parseInt(this.time.format('i')) + this.minuteStep) / 5) * 5 - parseInt(this.time.format('i')));
this.time = this.time.add(Date.MINUTE, this.minuteStep);
this.update();
},