var RssData = new Spry.Data.XMLDataSet("../rss_news.php", "rss/channel/item[position() <= 5]");
var objDate = new Date;

function replaceDate(dataSet, row, rowNumber) {
	var objDate = new Date(row["pubDate"]);

	var yy = objDate.getYear() % 1900 + 1900;    //年
	var mm = objDate.getMonth() + 1;    //月
	var dd = objDate.getDate();    //日
	objDate = yy + "年" + mm + "月" + dd + "日";

	row["pubDate"] = objDate.toLocaleString();
	return row;
}

RssData.filter(replaceDate);