Shopping cart doesn't have Ajax attribute anymore?

[efxtr]

I made some modifications on prestashop_new and now, when I mouse over the cart (on top of page part) nothing happens.

 

I examined two stores with firebug and I found that there is a "<div id="cart_block" class="block exclusive" style="display: none;">" part under the "<div class="sf-contener clearfix">" in "normal" store while I cant find "<div id="cart_block" class="block exclusive" style="display: none;">". So, somehow that div part disappeared but I couldn't figure out where should I make correction.

 

Any idea?

 

Thanks in advance.