title: Magento: Admin panel menu not working
body: <p>My magento  1.7.0.2 admin panel drop down menu was working before a day perfectly and i didn't made any change in setting and core files of admin panel.</p>
  
  <p>but the problem is that my admin panel meunu is not working.i was tried out all solution like js folder permission set to <code>777</code> or <code>755</code> and i was replaced all js files with same version of Magento ver. 1.7.0.2.But its not working.</p>
  
  <p>When i see in console of browser i am getting following error of js.</p>
  
  <p>so how can i resolve it.I am very much stuck here.</p>
  
  <p><img src="https://i.stack.imgur.com/2RpxB.png" alt="Error in console"> </p>