var level = 0;

function setLevel(page_level)
{
	level = page_level;
}

function menuItem(text, link, curPage)
{
	this.text = text;
	
	levelStr = "";
	for (i = 0 ; i < level; i = i + 1)
		levelStr = levelStr + "../";
	
	this.link = levelStr + link;
	this.current = (link == curPage); 			
}

// JavaScript Document
function writeMenuItem (mItem)
{
	if (mItem.current == true)
		document.write('<div class="nav_item nav_item_current">');
	else
		document.write('<div class="nav_item">');
	
	document.write('<a href="' + mItem.link + '">' + mItem.text + '</a></div>');
}

function writeMenuProduct(curPage)
{
	items = new Array(9);
	items[0] = new menuItem("Скачать", "download.html", curPage);
	items[1] = new menuItem("Новое в ЕТ", "new_in_ET.html",curPage );
	items[2] = new menuItem("Дополнения", "extensions.html",curPage );
	items[3] = new menuItem("ET 7.99 Free", "et799.html",curPage );
	items[4] = new menuItem("8.7 vs 7.99", "87vs79.html",curPage );
	items[5] = new menuItem("О продукте", "product.html",curPage );
	items[6] = new menuItem("Upgrade", "upgrade.html",curPage );
	items[7] = new menuItem("F.A.Q.", "faq.html",curPage );
	items[8] = new menuItem("Поддержка", "support.html",curPage );

	for (i = 0; i < 7; i = i + 1)
		writeMenuItem(items[i]);
}

function writeMenuTechnology(curPage)
{
	items = new Array(4);
	items[0] = new menuItem("Видео-уроки", "video_list.html", curPage);
	items[1] = new menuItem("Технологии", "tech_list.html",curPage );
	items[2] = new menuItem("Статьи", "articles.html",curPage );
	items[3] = new menuItem("Курьезы", "curiosity.html",curPage );

	for (i = 0; i < 4; i = i + 1)
		writeMenuItem(items[i]);
}

function writeMenuMain(curPage)
{
	items = new Array(6);
	items[0] = new menuItem("Новости сайта", "news.html",curPage );
	items[1] = new menuItem("Координаты", "adress.html",curPage );
	items[2] = new menuItem("Контакты", "contacts.html",curPage );
	items[3] = new menuItem("О компании", "about.html",curPage );
	items[4] = new menuItem("Конференции", "conference.html",curPage );
	items[5] = new menuItem("ГИС ссылки", "links.html",curPage );

	for (i = 0; i < 6; i = i + 1)
		writeMenuItem(items[i]);
}

function writeMenuService(curPage)
{
	items = new Array(4);
	items[0] = new menuItem("Оцифровка", "digitization.html",curPage );
	items[1] = new menuItem("Обучение",  "study.html",curPage );
	items[2] = new menuItem("Подать заявку",  "study_form.html",curPage );
	items[3] = new menuItem("Наши ученики",  "study_pupils.html",curPage );

	for (i = 0; i < 4; i = i + 1)
		writeMenuItem(items[i]);
}

function writeMenuPurchase(curPage)
{
	items = new Array(3);
	items[0] = new menuItem("Цены", "price.html",curPage );
	items[1] = new menuItem("Сделать заказ",  "buy_form.html",curPage );
	items[2] = new menuItem("Диллеры",  "reseller_list.html",curPage );

	for (i = 0; i < 3; i = i + 1)
		writeMenuItem(items[i]);
}

function writeNavigation (menu, curPage)
{
	if (window.level != undefined)
		level = window.level;
	
	
	document.write('<div class="nav_body">' + 
				   '<div class="nav_line"><img width=1 height=1></div>');

	if (menu == "product")
		writeMenuProduct(curPage);

    if (menu == "technology")
		writeMenuTechnology(curPage);

	if (menu == "main")
		writeMenuMain(curPage);

	if (menu == "service")
		writeMenuService(curPage);
	
	if (menu == "purchase")
		writeMenuPurchase(curPage);

	document.write('<div class="nav_line"><img  width=1 height=1></div>' +
				   "</div>");
}