function _check_forder_form(a_form)
{
	a_form.fo_btn.disabled = true;
	document.getElementById('info_here').innerHTML= '';
    var req = new JsHttpRequest();
    req.onreadystatechange = function()
    {
        if (req.readyState == 4)
        {
            if (req.responseJS)
            {
                // Записываем в <div> результат работы.
                document.getElementById('info_here').innerHTML = '<div style="margin-top: 4px; text-align: center;">'+req.responseJS.res+'</div>';
                document.getElementById('info_here').className = !req.responseJS.reload ? 'red' : 'green';
                if (req.responseJS.reload)
                {
                	a_form.reset();
                }
            	a_form.fo_btn.disabled = false;
            }
            else
            {
            	a_form.fo_btn.disabled = false;
            }
        }
    }

    req.caching = false;
    req.open('POST', '/load/fast_order.php', true);
    req.send({ fo_rent: a_form.rent.value, fo_place: a_form.place.value, fo_name: a_form.fio.value, fo_phone: a_form.phone.value, fo_metro: a_form.metro.value, fo_price: a_form.price.value, fo_data: a_form.data.value });
}