Index: /lang/javascript/userscripts/nicovideodownloader.user.js
===================================================================
--- /lang/javascript/userscripts/nicovideodownloader.user.js (revision 9532)
+++ /lang/javascript/userscripts/nicovideodownloader.user.js (revision 9532)
@@ -0,0 +1,66 @@
+// ==UserScript==
+// @name      nicovideo downloader
+// @namespace http://muumoo.jp/
+// @include   http://www.nicovideo.jp/watch/*
+// @author    pool
+// @version   0.5
+// ==/UserScript==
+
+(function(){
+	var h1 = document.getElementsByTagName('h1')[0];
+	if(!h1) return;
+	
+	var video_link = document.createElement('a');
+	video_link.href = 'javascript:void(0);';
+	video_link.innerHTML = '[video]';
+	video_link.addEventListener('click',
+		function(){
+			video_link.removeEventListener('click', arguments.callee, false);
+			video_link.innerHTML = '[please wait...]';
+			call_api(function(res){
+				if(/&url=(.+?)&/.test(res.responseText)){
+					var url = decodeURIComponent(RegExp.$1);
+					video_link.href = url;
+					video_link.innerHTML = '[download]';
+				}
+			});
+		}, false);
+	h1.parentNode.insertBefore(video_link, h1);
+	
+	var comments_link = document.createElement('a');
+	comments_link.href = 'javascript:void(0);';
+	comments_link.innerHTML = '[comments]';
+	comments_link.addEventListener('click',
+		function(){
+			call_api(function(res){
+				if(/thread_id=(.+?)&.+&ms=(.+?)&/.test(res.responseText)){
+					var thread_id = decodeURIComponent(RegExp.$1);
+					var url = decodeURIComponent(RegExp.$2);
+					GM_xmlhttpRequest({
+						method: 'POST',
+						headers: { 'Content-type': 'text/xml' },
+						url: url,
+						data: '<thread res_from="-500" version="20061206" thread="' + thread_id + '" />',
+						onload: function(res){
+							var data = encodeURIComponent(res.responseText.replace(/></g, '>\n<'));
+							location.href = 'data:application/xml;charset=utf-8,' + data;
+						},
+						onerror: function(res){ GM_log(res.status + ':' + res.statusText); }
+					});
+				}
+			});
+		}, false);
+	h1.parentNode.insertBefore(comments_link, h1);
+	
+	function call_api(callback){
+		if(/watch\/([^/]+)$/.test(location.href)){
+			var video_id = RegExp.$1;
+			GM_xmlhttpRequest({
+				method: 'GET',
+				url: 'http://www.nicovideo.jp/api/getflv?v=' + video_id,
+				onload: callback,
+				onerror: function(res){ GM_log(res.status + ':' + res.statusText); }
+			});
+		}
+	}
+})();