<input class="add-to-cart" type="submit" value="купить" onclick="javascript:open_window('/cart.php?addproduct={$product_info.productID}{counter name='select_counter_hidden' start=0 skip=1 print=false}{counter name='select_counter_hidden_extra' start=0 skip=1 print=false}{section name=i loop=$product_extra}{if $product_extra[i].option_type eq 1}{section name=s loop=$product_extra[i].option_show_times}&option_select_hidden_{counter name=select_counter_hidden}='+document.HiddenFieldsForm.option_select_hidden_{counter name=select_counter_hidden_extra}.value+'{/section}{/if}{/section}',400,300); return false;" />