auto click from menu jQuery

auto click from menu jQuery

Hi. I have a problem with auto click function jQuery. 
I use jQuery menu   EXAMPLE - (firstmenu) - its good, 
but I need use auto click to  Header-1 (div block <div id="CLICK" class="menu_body"> ) and to open a menu with Link-1,Link-2,Link-3
  1. <p class="menu_head">Header-1</p>
  2. <div id="AUTOCLICK" class="menu_body"> 
  3. <a href="#">Link-1</a> 
  4.                 <a href="#">Link-2</a> 
  5.                <a href="#">Link-3</a>
  6. </div>
  7. <p class="menu_head">Header-2</p> 
  8. <div class="menu_body">
  9. <a href="#">Link-1</a> 
  10.          <a href="#">Link-2</a> 
  11.          <a href="#">Link-3</a>
  12. </div>
  13. <p class="menu_head">Header-3</p> 
  14. <div class="menu_body"> 
  15.           <a href="#">Link-1</a> 
  16.          <a href="#">Link-2</a> 
  17.          <a href="#">Link-3</a>
  18.        </div>
  19.      </div>  <!--Code for menu ends here-->    
I use after menu Java script , like this
  1. <script type="text/javascript">
  2. $(document).ready(function() {
  3.                             $(' .AUTOCLICK').click()     });
  4. </script>  
AutoClick - not working.

P.s. My knowledge in Java is very small...please help me!