function lockOrder() {
  document.getElementById('order_submit').disabled = true;
}

function unlockOrder() {
  document.getElementById('order_submit').disabled = false;
}

function updateBasket(products) {
  var req = new Subsys_JsHttpRequest_Js();
  req.onreadystatechange = function() {
    if (req.readyState == 4) {
      unlockOrder();
    }
  }
  lockOrder();
  req.caching = false;
  req.open('POST', 'basket.php?action=update_basket', true);
  req.send({"products": products});
}


function showFS() {
  if (document.getElementById('fast_search').value == 'ءغرزذغة دخبرت') {
    document.getElementById('fast_search').value = '';
  }
}

function hideFS() {
  if (document.getElementById('fast_search').value == '') {
    document.getElementById('fast_search').value = 'ءغرزذغة دخبرت';
  }
}

function boldingCurrentProduct() {
  var str = location.href;
  var pos = str.indexOf('#');
  var id = 0;
  if (pos != -1) {
    id = str.slice(pos+1);
    document.getElementById('product_name_' + id).style.fontWeight = 'bold';
    document.getElementById('product_cost_' + id).style.fontWeight = 'bold';
    document.getElementById('product_block_' + id).style.backgroundColor = '#f6f6f6';
    document.getElementById('product_block_' + id).style.marginBottom = '10px';
  }
}