diff --git a/js/utils.js b/js/utils.js
new file mode 100644
index 0000000..5ab9f65
--- /dev/null
+++ b/js/utils.js
@@ -0,0 +1,7 @@
+
+// http://stackoverflow.com/questions/1403888/get-url-parameter-with-jquery
+function getURLParameter(name) {
+  return decodeURI(
+    (new RegExp('[&?]'+name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1]
+  );
+}