Roo.log(Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep) * this.minuteStep);
Roo.log(parseInt(this.time.format('i')) - Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep) * this.minuteStep);
var minutesToSubtract = parseInt(this.time.format('i')) - Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep);
Roo.log(Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep) * this.minuteStep);
Roo.log(parseInt(this.time.format('i')) - Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep) * this.minuteStep);
var minutesToSubtract = parseInt(this.time.format('i')) - Math.round((parseInt(this.time.format('i')) - this.minuteStep) / this.minuteStep);