CodeCanyon JSCalendar 67528
Supports IE6+, Firefox, Chrome, Safari.
Supports inline and popup mode.
Supports slide window, you can define image and text.
Supports multi-language, you can define it yourself or acordding to browser’s settings.
CSS is changed easily, you can set css as you wish.
Supports select muilt-date(only inline mode).
Note: This does not require any other JS library.
I accept further customization job if you require more functions. Please send me a message via my contact page. Thanks.