diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/doi-bookmarklet.js b/doi-bookmarklet.js
new file mode 100644
index 0000000..e3f9bb2
--- /dev/null
+++ b/doi-bookmarklet.js
@@ -0,0 +1,12 @@
+(function() {
+    var proxyUrl = "";
+    var selection = document.getSelection ? document.getSelection().toString() : document.selection.createRange().text;
+    var regex = /\w?(?:doi:|hdl:(?:\/\/)?)\s*([0-9./a-z]+)\w?/i;
+    var match = regex.exec(selection);
+    if (match != null) {
+	var doi = match[1];
+	var tempAnchor = document.createElement('a');
+	tempAnchor.href = proxyUrl;
+	document.location = tempAnchor.protocol + '//dx.doi.org.' + tempAnchor.host + '/' + doi;
+    }
+})();
\ No newline at end of file