function set_menu_visibility(id, status)
{
  var date = new Date();
  date.setFullYear(date.getFullYear() + 1);
  setCookie('left_menu['+id+']', status, date, '/');
}

function get_menu_visibility(id)
{
  return getCookie('left_menu['+id+']') ? true : false;
}

function toggle_left_menu(id, status, to_show_content)
{
  var e = {collapsed: _ge('left_menu_collapsed_'+id), expanded: _ge('left_menu_expanded_'+id), submenu: _ge('left_submenu_'+id)};

  if (e.submenu)
  {
    set_menu_visibility(id, status);

    e.collapsed.style.display = status ? 'none' : 'block';
    e.expanded.style.display = status ? 'block' : 'none';
    e.submenu.style.display = status ? 'block' : 'none';
  }

  return to_show_content ? true : false;
}

function show_item_pic(src, w, h, big_src)
{
  var p = _ge('main_item_pic');
  var a = _ge('main_item_pic_a');

  if (p)
  {
    p.src = src;
    p.style.width = w;
    p.style.height = h;
  }

  if (a)
  {
    a.href = big_src;
  }
}

function toggle_cat_block()
{
  var str = _ge('block_action_str');
  var bl = _ge('categories_block_div');

  if (bl)
  {
    var state = bl.style.display != 'block' ? 1 : 0;

    str.innerHTML = state ? 'свернуть' : 'развернуть';
    bl.style.display = state ? 'block' : 'none';
  }

  return false;
}

function go_to_cart()
{
  if (window.parent)
    window.parent.location.href = '/12-cart/';
  else
    window.location.href = '/12-cart/';
}