JQuery Checkbox Tree Plugin
http://www.web-delicious.com/jquery-plugins/#calendar
日历控件请参看下面的连接
http://www.open-open.com/ajax/3_Calendar.htm
http://arshaw.com/fullcalendar/docs/
http://www.open-open.com/ajax/ajax20100609092631.htm
xgcalendar
https://github.com/xuanye/xgcalendar
