Gurt Calendar JavaScript is a verified, extremely fast, small cross-browser javascript control. It is the best solution to enter date and time data into a form field in accordance to a predefined format. The advanced features are: unlimited number of calendars on one page; manipulating date by changing months and years; EASY SETUP; EASY SKIN CHANGE; highly optimized code; any delimiters can be used in a date format; ANY DATE FORMAT can be built up of 'mm', 'dd' and 'yyyy' parts. Localization ready.