/*
 * Dynamic Menu
 * Written by Andy Peatling - http://www.cssdev.com/
 * April 1, 2006.
 * Modified by Markku Alikoski - http://www.idbbn.fi/
 */
//addLoadEvent(collapseMenu);
//addLoadEvent(prepareMenu);

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
function openMainMenuPath(path)
	{
	var pathString = "'"+path.replace(/,/g,"','")+"'";
	var pathArray = pathString.split(",");
	for(var i=pathArray.length-2;i<pathArray.length;i++)
		{
		var selectedMenu = eval("document.getElementById("+pathArray[i]+")");
		if(selectedMenu)
			selectedMenu.className = "menuSelected";
		}
	}
function openMenuPath(node,path)
	{
	if(!path)
		return false;
		else 
			{
			var pathString = "'"+path.replace(/,/g,"','")+"'";
			var pathArray = pathString.split(",");
			}
	if (!document.getElementById) return false;
	if (!document.getElementById("subMenu")) return false;
	if (!node) node = document.getElementById("subMenu");

	if (node.childNodes.length > 0)
		{
		for (var i=0; i<node.childNodes.length; i++)
			{
			var child = node.childNodes[i];
			for(var a=0;a<pathArray.length-2;a++)
				{
				var x = eval("document.getElementById("+pathArray[a]+")");
				if(x)
					{
					if (child.id == x.id )
						{
						if(child.nodeName == "UL")
							{
							child.style.display = "inline";
							}
						if(child.nodeName == "LI")
							{
							var oldClasses = String(child.className);
							oldClasses = oldClasses.replace(/menuNotSelected|menuSelected/g,"");
							child.className = "menuSelected "+oldClasses;
							}
						}
					}
				}

			openMenuPath(child,path);
			}
		}

	}

function collapseMenu(node) {
	if (!document.getElementById) return false;
	if (!document.getElementById("subMenu")) return false;
	if (!node) node = document.getElementById("subMenu");

	if (node.childNodes.length > 0) {
		for (var i=0; i<node.childNodes.length; i++) {
			var child = node.childNodes[i];
			if (child.nodeName == "UL" && child.style.display != "inline") {
					child.style.display = "none";
			}
			collapseMenu(child);
		}		
	}

}

function prepareMenu() {
	if (!document.getElementById || !document.getElementsByTagName) return false;
	if (!document.getElementById("subMenu")) return false;

	var links = document.getElementById("subMenu").getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {		
		links[i].onclick = function() {
			toggleMenu(this.parentNode.getElementsByTagName("UL")[0], this.href);
			//return false;
		}
	}
}

function toggleMenu(node, link) {
	if (!document.getElementById) return false;
	if (!link) return false;
	if (!node) location.href = link.href;
	// Collapse all nodes, and only show clicked node (when clicking top level of menu)
	if (node.parentNode.parentNode.id == "subMenu") {
		hideTopLevels();
	}
	
	if (node.style.display == "") {
		Effect.BlindUp(node, {duration: 0.3});
	} else {
		Effect.BlindDown(node, {duration: 0.3});
	}
}

function hideTopLevels() {
	if (!document.getElementById) return false;
	if (!(node = document.getElementById("subMenu"))) return false;	
	
	if (node.childNodes.length > 0) {
		for (var i=0; i<node.childNodes.length; i++) {
			var child = node.childNodes[i];
			for(var j=0; j<child.childNodes.length; j++) {
				var grandchild = child.childNodes[j];
				if (grandchild.nodeName == "UL") {
					if (grandchild.style.display == '') {
						Effect.Fade(grandchild, {duration: 0.2});
					}
				}
			}
		}		
	}
}