code: function(){		
  		var endHours = this.inputs[2];
  		var endMinutes = this.inputs[3];
  		
  		if( endHours.getValue() == '24' ){ endMinutes.setValue("00"); endMinutes.disable();}
  		else{ endMinutes.enable(); }		
  	}
docs: Disable the last selector and set it to "00" when the third one's value is 24
  (it will be inccorect to have an end superior to 24:00)