$.extend(DateInput.DEFAULT_OPTS, {
	stringToDate: function(string) {
		var matches;
		if (matches = string.match(/^(\d{4,4})-(\d{2,2})-(\d{2,2})$/)) {
			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 date.getFullYear() + "-" + month + "-" + dom;
	},

    start_of_week: 0
});
$(function() {
	$("#id_start_date, #id_end_date").date_input();
});