// JavaScript Document
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"));
     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.onfocus = function(){this.blur()};
     }
   }
   
   if(document.createElement) window.onload = initMenu;