diff --git a/oldnewthing/oldnewthing.js b/oldnewthing/oldnewthing.js
new file mode 100644
index 0000000..893cfc0
--- /dev/null
+++ b/oldnewthing/oldnewthing.js
@@ -0,0 +1,51 @@
+// ==UserScript==
+// @name     The Old New Thing URL Rewriter
+// @author   Michael Becker <alcexhim@gmail.com>
+// @version  1
+// @grant    none
+// @include  https://devblogs.microsoft.com/oldnewthing/*
+// ==/UserScript==
+
+var config = {
+	"patterns": [
+		{
+			"find": "blogs.msdn.microsoft.com",
+			"replaceWith": "devblogs.microsoft.com"
+		},
+		{
+			"find": "blogs.msdn.com/b/oldnewthing/archive",
+			// "redirectTo": "https://web.archive.org/*/http://%1"
+			redirectTo: function (originalUrl) {
+				var parts = originalUrl.split('/');
+				if (parts.length > 8) {
+					var datetime = parts[6] + parts[7] + parts[8];
+					return "https://web.archive.org/web/" + datetime + "000000/" + originalUrl;
+				}
+				return originalUrl;
+			}
+		}
+	]
+}
+
+window.addEventListener("load", function()
+{
+	var links = document.getElementsByTagName("A");
+	console.log(links.length + " links found");
+	for (var i = 0; i < links.length; i++)
+	{
+		for (var j = 0; j < config.patterns.length; j++) {
+			if (links[i].href.indexOf(config.patterns[j].find) !== -1) {
+				if (typeof (config.patterns[j].replaceWith) === 'string') {
+					links[i].href = links[i].href.replace(config.patterns[j].find, config.patterns[j].replaceWith);
+				}
+				else if (typeof (config.patterns[j].redirectTo) === 'string') {
+					links[i].href = config.patterns[j].redirectTo.replace('%1', links[i].href);
+				}
+				else if (typeof (config.patterns[j].redirectTo) === 'function') {
+					links[i].href = config.patterns[j].redirectTo(links[i].href);
+				}
+			}
+		}
+	}
+
+});