jsDatePick is very simple and easy to implement. It allows users to quickly browse both years and months, and provide you the ability to set range for years. You can customize its look and feel via CSS or simply specify one of the available color schemes to match your design.
Developed by Itamar Arjuan; jsDatePick is available for download under GNU General Public License. You can find further information, demo & download on jsDatePick Website.