function Load_zone(number) {
	var d = document;	
	var tr_clicked = d.getElementById('link-' + number).parentNode.parentNode;
	var table = tr_clicked.parentNode.parentNode;

	tr_clicked.className = (tr_clicked.className == 'UnActive') ? 'Active' : 'UnActive';
	var a = table.getElementsByTagName('tr');
	for (i = 1; i < a.length; i++) {
		if (a[i].id == 'Z') { a[i].className = (a[i].className == 'Visible' || a[i].className == 'Active-Zone') ? 'UnVisible' : 'Visible'; }
		else { if (a[i].className == 'Visible') a[i].className = 'UnVisible'; }
	}
}

function Load_article(number, zone) {
	var d = document;	
	var tr_clicked = d.getElementById('link-zone-' + number).parentNode.parentNode;
	var table = tr_clicked.parentNode.parentNode;

	tr_clicked.className = (tr_clicked.className == 'Visible') ? 'Active-Zone' : 'Visible';
	var a = table.getElementsByTagName('tr');
	for (i = 1; i < a.length; i++) {
		if (a[i].id == zone) { a[i].className = (a[i].className == 'Visible') ? 'UnVisible' : 'Visible' };
	}
}

function order_block() {
	f = document.getElementById('order_block');
	f.style.display = (f.style.display == 'block') ? 'none' : 'block';
}

var Art_select = [];

function Calculate(article, price_st) {
	var counter = 1; var price_art = 0; var name_art; var total = 0;
	var Check; var elem; var text_store = '';

	if (Art_select.length != 0)
		for (i = 0; i <= Art_select.length; i++) {
			if (Art_select[i] == article) { Check = false; elem = i; break; } else Check = true;
		}
	else Check = true;
	if (!Check)
		Art_select.splice(elem,1);
	else
		Art_select.push(article);
	for (i = 0; i < Art_select.length; i++) {
		var box = d.getElementById('art-' + Art_select[i]).parentNode.parentNode;
		var get_info = box.getElementsByTagName('td');
		for (j = 0; j < get_info.length; j++) {
			if (get_info[j].id == 'name') { name_art = document.getElementById(Art_select[i]).innerHTML; text_store += counter + ") " + name_art + '<br / >'; counter++; }
			if (get_info[j].id == 'price') { price_art = get_info[j].innerHTML*1;  text_store += "Цена: " + price_art.toFixed(2) + " руб." + '<br / >'; total += price_art; }
		}
	}
	document.getElementById('order_txt').innerHTML = text_store + '<br / >' + '<strong>Итого: </strong>' + total.toFixed(2);
	document.getElementById('HiddenOrder').value = text_store + '<br / >' + '<strong>Итого: </strong>' + total.toFixed(2);
	if (total == 0) { document.getElementById('order_txt').innerHTML = ''; document.getElementById('HiddenOrder').value = ''; }
}