if(!window.Node){
	var Node = {ELEMENT_NODE : 1, TEXT_NODE : 3};
}
function checkNode(node, filter){
	return (filter == null || node.nodeType == Node[filter] || node.nodeName.toUpperCase() == filter.toUpperCase());
}
function getChildren(node, filter){
	var result = new Array();
	var children = node.childNodes;
	for(var i = 0; i < children.length; i++){
		if(checkNode(children[i], filter)) result[result.length] = children[i];
	}
	return result;
}
function getChildrenByElement(node){
	return getChildren(node, "ELEMENT_NODE");
}
function getFirstChild(node, filter){
	var child;
	var children = node.childNodes;
	for(var i = 0; i < children.length; i++){
		child = children[i];
		if(checkNode(child, filter)) return child;
	}
	return null;
}
function getFirstChildByText(node){
	return getFirstChild(node, "TEXT_NODE");
}
function getNextSibling(node, filter){
	for(var sibling = node.nextSibling; sibling != null; sibling = sibling.nextSibling){
		if(checkNode(sibling, filter)) return sibling;
	}
	return null;
}
function getNextSiblingByElement(node){
	return getNextSibling(node, "ELEMENT_NODE");
}

// ||||||||||||||||||||||||||||||||||||||||||||||||||
// Menu Functions & Properties

var activeMenu = null;

function showMenu(){
	if(activeMenu){
		activeMenu.className = "";
		getNextSiblingByElement(activeMenu).style.display = "none";
	}
	if(this == activeMenu){
		activeMenu = null;
	}else{
		this.className = "active";
		getNextSiblingByElement(this).style.display = "block";
		activeMenu = this;
	}
	return false;
}
function initMenu(){
	var menus, menu, text, a, i;
	menus = getChildrenByElement(document.getElementById("menu"));
	//alert(menus.length);
	for(i = 0; i < menus.length; i++){
		menu = menus[i];
		
		text = getFirstChildByText(menu);
		a = document.createElement("a");
		menu.replaceChild(a, text);
		a.appendChild(text);
		a.href = "#";
		
		a.onclick = showMenu;
		a.style.display="block";
		
		a.onfocus = function(){this.blur()};

	}
}

function openActive(id) {
	var menus, menu, text, a, i;
	menus = getChildrenByElement(document.getElementById("menu"));
	
	for(i = 0; i < menus.length; i++){
		menu = menus[i];
		text = menu.firstChild.text;
		
		if(menu.id==id) {
			menu.firstChild.className = "active";
			getNextSiblingByElement(menu.firstChild).style.display = "block";
			activeMenu = menu.firstChild;
		}
		
	}
	
} 




function initialiseMenu() {
	//alert("called");
	var args = getArgs();
 
 if(document.createElement) {initMenu();}
 openActive(args.categoryID);
	
}

function getArgs() {

	var args = new Object();
	var query = location.search.substring(1);
	if(query=="") return args;
	//alert (query);

	var pairs = query.split("&");
	
	//alert(pairs.length);
	
	for( var i=0; i<pairs.length; i++) {
		var pos=pairs[i].indexOf("=");
		if(pos==-1) continue;
		var argname=pairs[i].substring(0, pos);
		var value = pairs[i].substring(pos+1);
		args[argname]=unescape(value);
		//alert("name: "+argname+"  value="+value);
	}
	
	return args;
}