// top menu

var topNaviImg = new Object();

topNaviImg['home'] = new Image(); topNaviImg['home'].src = "images/n_home.gif";
topNaviImg['home_a'] = new Image(); topNaviImg['home_a'].src = "images/n_home_a.gif";

topNaviImg['books'] = new Image(); topNaviImg['books'].src = "images/n_books.gif";
topNaviImg['books_a'] = new Image(); topNaviImg['books_a'].src = "images/n_books_a.gif";

topNaviImg['members'] = new Image(); topNaviImg['members'].src = "images/n_members.gif";
topNaviImg['members_a'] = new Image(); topNaviImg['members_a'].src = "images/n_members_a.gif";

topNaviImg['blog'] = new Image(); topNaviImg['blog'].src = "images/n_blog.gif";
topNaviImg['blog_a'] = new Image(); topNaviImg['blog_a'].src = "images/n_blog_a.gif";

topNaviImg['guided_tour'] = new Image(); topNaviImg['guided_tour'].src = "images/n_guided_tour.gif";
topNaviImg['guided_tour_a'] = new Image(); topNaviImg['guided_tour_a'].src = "images/n_guided_tour_a.gif";

		
function toggleTopNaviImage(el, type) {
	id = el.id;
	id = id.substring(8, id.length);
	if (type == 'over') {
		img_str = id + "_a";
		document.getElementById('topmenu_'+id).src = getTopNaviImage(img_str); 
	}
	if (type == 'out') {
		document.getElementById('topmenu_'+id).src = getTopNaviImage(id); 
	}
}
		
function getTopNaviImage(img_str) {
	if (!topNaviImg[img_str]) {
		topNaviImg[img_str] = new Image ();
		topNaviImg[img_str].src = 'images/n_'+img_str+".gif";
	} 
	
	return topNaviImg[img_str].src;
}


// header-src, header-active-src, footer-src, footer-active-src, url (OLD)
function mItem(hsrc, hasrc, link) {
	this.name = name;
	this.hsrc = hsrc;
	this.hasrc = hasrc;
	this.link = link;
}

var nav = new Array(
	new  mItem('images/n_home.gif', 'images/n_home_a.gif', 'index.php?Action=showHome'),
	new  mItem('images/n_books.gif', 'images/n_books_a.gif', 'index.php?Action=showItemCatalog&node_id=1'),
	new  mItem('images/n_dvds.gif', 'images/n_dvds_a.gif', 'index.php?Action=showItemCatalog&node_id=2'),
	new  mItem('images/n_music.gif', 'images/n_music_a.gif',  'index.php?Action=showItemCatalog&node_id=3'),
	new  mItem('images/n_games.gif', 'images/n_games_a.gif',  'index.php?Action=showItemCatalog&node_id=4'),
	new  mItem('images/n_forumgroups.gif', 'images/n_forumgroups_a.gif', 'index.php?Action=showMemberSearch&reset=1'),
	new  mItem('images/n_help.gif', 'images/n_help_a.gif', 'index.php?Action=showStaticpage&ident=help')
);

function menu(active) {

	var h_out = "";

	if (active == "") active = 0;

	for (var i = 0; i < nav.length; i++) {

		if (i == active) {
			h_out = h_out + '<a href="'+nav[i].link+'"><img border="0" src="'+nav[i].hasrc+'"></a>';
		}
		else {

			h_out = h_out + '<a href="'+nav[i].link+'"><img border="0" src="'+nav[i].hsrc+'" onmouseover="this.src=\''+nav[i].hasrc+'\'" onmouseout="this.src=\''+nav[i].hsrc+'\'"></a>';
		}
	}
	
	document.getElementById("topnavi").innerHTML = h_out;

}