diff --git a/index.html b/index.html
index 7a50c48..61ecdf3 100644
--- a/index.html
+++ b/index.html
@@ -10,8 +10,8 @@
 		
 		<script type="text/javascript">
 			
-			counter = 0;
-			marked = 0;
+			var counter = 0;
+			var marked = 0;
 			
 			function getArray(ignore = 0) {
 				var array = [];
@@ -203,6 +203,9 @@
 		</style>
 	</head>
 	<body>
+		<aside>
+			<a href="https://github.com/clerie/bubblesort_js"><img style="position: fixed; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
+		</aside>
 		<header>
 			<h1>Bubblesort</h1>
 		</header>
