function add_item_to_cart(item_type_id,item_inventory_id,return_div,throb_div)
{
  url = ("/inc/ajax/add_item_to_cart.php?item_type_id=" + item_type_id + "&item_inventory_id=" + item_inventory_id);
  ajaxComm('GET',url,return_div,'HTML',throb_div);
}