/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Travis Beckham :: http://www.squidfingers.com | http://www.podlob.com
version date: 06/02/03 :: If want to use this code, feel free to do so,
but please leave this message intact. (Travis Beckham) */

// Node Functions

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";
    getNextSibling(activeMenu, "OL").style.display = "none";
  }
  if(this == activeMenu){
    activeMenu = null;
  } else {
  
    this.className = "active";
    //getNextSiblingByElement(this).style.display = "block";
     getNextSibling(this, "OL").style.display = "block";
    activeMenu = this;
  }
  return false;
}


function getChildrenByTagName(node, tagName){
  return getChildren(node, tagName);
}


function initMenu(){
  var menus, menu, text, a, a1, i, img, imgList, olList;
  
  //menu = document.getElementById("menu");
  
	menus = getChildrenByElement(document.getElementById("menu"));
	
	for(i = 0; i < menus.length; i++)
	{
		menu = menus[i];
		
		if(getChildrenByTagName(menu, "OL").length > 0)
		{
		
			text = getFirstChildByText(menu);
						
			a1 = document.createElement("a");
			menu.replaceChild(a1, text);
			a1.appendChild(text);
			a1.href = "#";
			a1.onclick = showMenu;
			a1.onfocus = function(){this.blur()};
		
  			imgList = getChildrenByTagName(menu, "IMG");
  			img = imgList[0];
  
			a = document.createElement("a");
			menu.replaceChild(a, img);
			a.appendChild(img);
			a.href = "#";
			a.onclick = showMenu;
			a.onfocus = function(){this.blur()};
	  	
		}
		
	}
  
  /*
  menus = getChildrenByElement(document.getElementById("menu"));
  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.onmouseover = showMenu;
    a.onfocus = function(){this.blur()};
    
  }
  
  */
}

if(document.createElement) window.onload = initMenu;