function recountOrder() {
	var inps = document.getElementsByTagName('input');
	var total = 0;
	for (var i = 0; i < inps.length; i++) {
		var ci = inps[i];
		if (/^buy_inp_quantity/.test(ci.id)) {
			if (ci.value > 0) {
				var cprice = $('price_' + ci.id);
				total += (cprice.value * ci.value);
			}
		}
	}
	if (total > 0) {
		$('order_summ_span').innerHTML = total;
		$('order_summ').style.visibility = 'visible';
	} else {
		$('order_summ').style.visibility = 'hidden';
	}
}