// from: http://www.kelvinluck.com/assets/jquery/datePicker/v2/demo/

$(function()
// creates a calendar that only allows dates in the past
{
	$('#vaccinationdate').datePicker(
		{
			startDate: '01/01/2008',
			endDate: (new Date()).asString(),
			clickInput: true
		}
	);
});