diff --git a/lib/speed_up_theme.php b/lib/speed_up_theme.php
new file mode 100644
index 0000000..2ecab3b
--- /dev/null
+++ b/lib/speed_up_theme.php
@@ -0,0 +1,18 @@
+<?php
+
+class speed_up_theme
+{
+    public static function getUrl($file, $show_timestamp = true)
+    {
+        if ($show_timestamp) {
+            $timestamp = '?timestamp=' . @filemtime(rex_path::base('theme/'.$file));
+        }
+
+        return rex_url::assets($file) . $timestamp;
+    }
+
+    public static function showUrl($file, $show_timestamp = true)
+    {
+        echo self::getUrl($file, $show_timestamp);
+    }
+}