tabs diff for livepipe-ui issue 15.diff

diff --git a/src/tabs.js b/src/tabs.js
index 7efbe24..133c1b8 100644
--- a/src/tabs.js
+++ b/src/tabs.js
@@ -83,10 +83,8 @@ Control.Tabs = Class.create({
             throw "Control.Tabs: #" + link.key + " was not found on the page."; }
         this.containers.set(link.key,container);
         link[this.options.hover ? 'onmouseover' : 'onclick'] = function(link){
-            if(window.event) {
-                Event.stop(window.event); }
             this.setActiveTab(link);
-            return false;
+            return true;
         }.bind(this,link);
     },
     setActiveTab: function(link){