jQuery.extend(DateInput.DEFAULT_OPTS, {
  month_names: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
  short_month_names: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
  short_day_names: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
  
  stringToDate: function(string) {
    var matches;
    if (matches = string.match(/^(\d{4,4})-(\d{2,2})-(\d{2,2})$/)) {
      return new Date(matches[1], matches[2] - 1, matches[3]);
    } else {
      return null;
    };
  },

  dateToString: function(date) {
    var month = (date.getMonth() + 1).toString();
    var dom = date.getDate().toString();
    if (month.length == 1) month = "0" + month;
    if (dom.length == 1) dom = "0" + dom;	
    return this.short_day_names[date.getDay()] + ", " + dom + "-" + month + "-" + date.getFullYear();	
  }
});