diff --git a/src/messenger/webim/js/compiled/soundcheck.js b/src/messenger/webim/js/compiled/soundcheck.js
index 8a487619..6628a539 100644
--- a/src/messenger/webim/js/compiled/soundcheck.js
+++ b/src/messenger/webim/js/compiled/soundcheck.js
@@ -1 +1 @@
-Behaviour.register({"a#check-nv":function(a){a.onclick=function(){playSound(wroot+"/sounds/new_user.wav")}},"a#check-nm":function(a){a.onclick=function(){playSound(wroot+"/sounds/new_message.wav")}}});
+(function(b,a){a(document).ready(function(){a("#check-nv").click(function(){b.Utils.playSound("../sounds/new_user.wav")});a("#check-nm").click(function(){b.Utils.playSound("../sounds/new_message.wav")})})})(Mibew,$);
diff --git a/src/messenger/webim/js/source/soundcheck.js b/src/messenger/webim/js/source/soundcheck.js
index 34c41582..8d3c8b37 100644
--- a/src/messenger/webim/js/source/soundcheck.js
+++ b/src/messenger/webim/js/source/soundcheck.js
@@ -1,12 +1,11 @@
-Behaviour.register({
-	'a#check-nv' : function(el) {
-		el.onclick = function() {
-			playSound(wroot + '/sounds/new_user.wav');
-		};
-	},
-	'a#check-nm' : function(el) {
-		el.onclick = function() {
-			playSound(wroot + '/sounds/new_message.wav')
-		};
-	}
-});
+(function(Mibew, $) {
+    $(document).ready(function() {
+        $('#check-nv').click(function(){
+            Mibew.Utils.playSound('../sounds/new_user.wav');
+        });
+
+        $('#check-nm').click(function() {
+            Mibew.Utils.playSound('../sounds/new_message.wav');
+        });
+    });
+})(Mibew, $);
diff --git a/src/messenger/webim/view/install_index.php b/src/messenger/webim/view/install_index.php
index 65f7fcec..eeb6c8a0 100644
--- a/src/messenger/webim/view/install_index.php
+++ b/src/messenger/webim/view/install_index.php
@@ -24,10 +24,19 @@ $page['fixedwrap'] = true;
 function tpl_header() { global $page, $webimroot;
 	if($page['soundcheck']) {
 ?>
-<script type="text/javascript" language="javascript" src="<?php echo $webimroot ?>/js/compiled/common.js"></script>
-<script type="text/javascript" language="javascript"><!--
-var wroot ="<?php echo $webimroot ?>";
-//--></script>
+
+<!-- External libs -->
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/jquery.min.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/json2.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/underscore-min.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/backbone-min.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/backbone.marionette.min.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/libs/handlebars.js"></script>
+
+<!-- Default application files -->
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/compiled/mibewapi.js"></script>
+<script type="text/javascript" src="<?php echo $webimroot ?>/js/compiled/default_app.js"></script>
+
 <script type="text/javascript" language="javascript" src="<?php echo $webimroot ?>/js/compiled/soundcheck.js"></script>
 <?php
 	}