Change the messages by setting datepicker defaults:
- $.datepicker.setDefaults({validateDate: 'Not a date',
- validateDateMinMax: 'Nope, from {0} to {1}'});
Possible messages (and their defaults) are:
validateDate: 'Please enter a valid date',
validateDateMin: 'Please enter a date on or after {0}',
validateDateMax: 'Please enter a date on or before {0}',
validateDateMinMax: 'Please enter a date between {0} and {1}',
validateDateCompare: 'Please enter a date {0} {1}',
validateDateToday: 'today',
validateDateOther: 'the other date',
validateDateEQ: 'equal to',
validateDateNE: 'not equal to',
validateDateLT: 'before',
validateDateGT: 'after',
validateDateLE: 'not after',
validateDateGE: 'not before'