diff --git a/webui/includes/header.php b/webui/includes/header.php
index 97a85430285859b561444d3e23fa13e8ff73727b..cb6f023e0ef8ae33521dcc0683a389b3df8736bb 100644
--- a/webui/includes/header.php
+++ b/webui/includes/header.php
@@ -46,6 +46,7 @@ function printHeader($params = NULL)
 	<title>SMRadiusd Web Administration</title>
 	<link rel="stylesheet" type="text/css" href="stylesheet.css" />
 	
+	<script type="text/javascript" src="library.js"></script>
 	<script type="text/javascript" src="tooltips/BubbleTooltips.js"></script>
 	<script type="text/javascript">
 		window.onload=function(){enableTooltips(null,"img")};
diff --git a/webui/library.js b/webui/library.js
new file mode 100644
index 0000000000000000000000000000000000000000..a7d445c16da040ab12851a89a84bc93d7b54b000
--- /dev/null
+++ b/webui/library.js
@@ -0,0 +1,6 @@
+
+function rand ( n )
+{
+	return ( Math.floor ( Math.random ( ) * n + 1 ) );
+}
+