// ==UserScript==
// @name           PTNA MP3 link
// @namespace      http://i.i.ishikawa-nct.ac.jp/
// @include        http://www.piano.or.jp/*
// @license        MIT license (http://www.opensource.org/licenses/mit-license.php)
// ==/UserScript==
 
(function() {
	var links = document.getElementsByTagName("a");
	for (var i = 0, l = links.length; i < l; i++) (function() {
		var link = links[i], url = "" + link.href;
		if (url.match(/\.m3u$/)) {
			var http = new XMLHttpRequest;
			http.open("GET", url, true);
			http.onreadystatechange = function() {
				if (http.readyState == 4) {
					link.href = http.responseText.replace(/\s+$/, "");
				}
			}
			http.send(null);
		}
	})();
})();