function viewlarge(pid, type)
{
  var width = 370;
  var height = 370;

  var options = 'menubar=no,toolbar=no,location=no,' +
    'directories=no,scrollbars=no,status=no';
  options += ',width=' + width + ',height=' + height;
  options += ',left=' + (screen.width-370)/2 +
    ',top=' + (screen.height-370)/2;

//  window.open('http://images.pricelist.lv/' +
//    'popup.php?' + (type? 'sync': 'base') +
//    '/large/' + pid + '.jpg', 'prod' + pid, options);
}

function backshow()
{
  var back = document.getElementById('back');
  if (back)
  {
    back.style.visibility = 'visible';
    isvisible = true;
  }
}

function backhide()
{
  isvisible = false;
  setTimeout('backhide_delayed()', 500);
}

function backhide_delayed()
{
  var back = document.getElementById('back');
  if (back && !isvisible)
    back.style.visibility = 'hidden';
}