this.hour--,this.toggleMeridian();if(0===this.hour)return this.hour=11,this.toggleMeridian();this.hour--}else this.hour<=0?this.hour=this.maxHours-1:this.hour--},decrementMinute:function(a){var b;b=a?this.minute-a:this.minute-this.minuteStep,0>b?(this.decrementHour(),this.minute=b+60):this.minute=b},decrementSecond:function(){var a=this.second-this.secondStep;0>a?(this.decrementMinute(!0),this.second=a+60):this.second=a},elementKeydown:function(a){switch(a.which){case 9:if(a.shiftKey){if("hour"===this.hi...