app/assets/javascripts/datePickerInitialize.js
jQuery(document).ready(function(){
jQuery('input.ui-datepicker').datepicker();
jQuery('input.ui-futurepicker').datepicker({ yearRange: '2010:2020', changeYear: true });
jQuery('input.ui-yearpicker').datepicker({ yearRange: '1910:2000',
changeYear: true,
constrainInput: true, showOn: "button",
buttonImage: '/assets/icons/calendar_sm.png',
buttonImageOnly: true});
});