[GM script]yam Downloader

yam_downloader.user.js

// ==UserScript==
// @name           yam Downloader
// @namespace      http://d.hatena.ne.jp/kurumigi/
// @description    Download flv or mp3 files from http://mymedia.yam.com/
// @include        http://mymedia.yam.com/m/*
// ==/UserScript==

(function () {
	GM_xmlhttpRequest({
		method: "GET",
		url: location.href.replace("http://mymedia.yam.com/m/","http://mymedia.yam.com/api/a/?pID="),
		onload: function (httpObj) {
			if (httpObj.responseText.match(/(furl|mp3file)=(http:\/\/.*?\.(mp3|flv))(&|$)/)) {
				var title = document.evaluate("//h1[@class='heading']/span[1]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
				
				title.singleNodeValue.innerHTML = '<a href="' + RegExp.$2 + '">' + title.singleNodeValue.innerHTML + '</a>';
			}
		}
	});
})();