// @todo Re-evaluate need for IDs

var tryClosePause = 15000;

var bookTag = "DIV";
var menuTag = "UL";
var menuItemTag = "LI";
var menuItemLinkTag = "A";
var menuHookTag = "DIV"

var bookClassRegex = new RegExp("bea-portal-book(?:-(primary))?$");
var menuClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu$");
var hookClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu-hook$");
var itemClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu-item(?:-(active))?$");
var linkClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu-item-link$");

var rootClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu-root$");
var nestedClassRegex = new RegExp("bea-portal-book(?:-(primary))?-menu-nested$");

var books = new Array();
var currentMenuItem;
// begin - code added by offshore team
var isGTS =0;
var isABF =0;
var isIND =0;
var isReal=0;
// end - code added by offshore team

function initDynamicMenus()
{
    initBooks();
    createMenus();
}

function initBooks()
{
    var bookCandidates = document.getElementsByTagName(bookTag);

    for (var i = 0; i < bookCandidates.length; i++)
    {
        if (bookCandidates[i].tagName && bookCandidates[i].tagName == bookTag
            && bookCandidates[i].className && bookCandidates[i].className.match(bookClassRegex))
        {
            var book = initBook(bookCandidates[i]);

            if (book)
            {
                books[books.length] = book;
            }
        }
    }
}

function initBook(tag)
{
    var book;
    var menuInstance = getFirstChildByClassRegex(tag, menuTag, menuClassRegex, bookClassRegex);
    var hookInstance = getFirstChildByClassRegex(tag, menuHookTag, hookClassRegex, bookClassRegex);

    if (tag && menuInstance && hookInstance)
    {
        var menu = initMenu(menuInstance);
        var hook = initMenuHook(hookInstance);

        if (menu && hook)
        {
            book = new Book(tag, menu, hook);
        }
    }

    return book;
}

function initMenu(tag)
{
    if (!tag)
    {
        alert("No tag defined!");
    }

    tag.style.display = "none";
    var menuItems = new Array();
    var child = tag.firstChild;

    while (child != null)
    {
        if (child.tagName && child.tagName == menuItemTag && child.className.match(itemClassRegex))
        {
            var itemGroups = child.className ? child.className.match(itemClassRegex) : null;

            if (itemGroups && itemGroups.length >= 1)
            {
                var isActive = false;

                if ((itemGroups.length == 2 && itemGroups[1] == "active")
                    || (itemGroups.length == 3 && itemGroups[2] == "active"))
                {
                    isActive = true;
                }

                menuItems[menuItems.length] = initMenuItem(child, isActive);
            }
        }

        child = child.nextSibling;
    }

    var groups = tag.className.match(menuClassRegex);
    var bookClassQualifier = (groups && groups.length >= 2 && groups[1] == "primary" ? "-primary" : "");
    return new Menu(tag, menuItems, bookClassQualifier);
}

function initMenuHook(tag)
{
    return new MenuHook(tag);
}

function initMenuItem(tag, isActive)
{
    var link;
    var menu;
    var child = tag.firstChild;

    while (child != null)
    {
        if (child.tagName && child.tagName == menuItemLinkTag && child.className.match(linkClassRegex))
        {
            var label = (child.innerText ? child.innerText : child.text);
            link = new Link(child, label);
        }
        else if (child.tagName && child.tagName == menuTag)
        {
            menu = initMenu(child);
        }

        child = child.nextSibling;
    }
    
    return new MenuItem(tag, link, isActive, menu);
}

function createMenus()
{
    for (var i = 0; i < books.length; i++)
    {
        createRootMenu(books[i].menu, books[i].hook, i);
    }
}

function createRootMenu(menu, hook, menuId)
{
    var menuContext = document.createElement("UL");
    menuContext.className = "bea-portal-book" + menu.bookClassQualifier + "-menu-root";
    menuContext.id = "menu-" + menuId;
    hook.tag.appendChild(menuContext);
    var itemClassName = "bea-portal-book" + menu.bookClassQualifier + "-menu-root-item";

    for (var i = 0; i < menu.menuItems.length; i++)
    {
        createMenuItem(menu.menuItems[i], menuContext, itemClassName, i, "LI", true);
    }
}

function createSubMenu(menu, hook, contextId)
{
    var menuContext = document.createElement("div");
    menuContext.style.display = "none";
    menuContext.className = "bea-portal-book" + menu.bookClassQualifier + "-menu-nested";
    menuContext.id = contextId + "-menu";
    hook.tag.appendChild(menuContext);
    var itemClassName = "bea-portal-book" + menu.bookClassQualifier + "-menu-nested-item";

    for (var i = 0; i < menu.menuItems.length; i++)
    {
        createMenuItem(menu.menuItems[i], menuContext, itemClassName, i, "DIV", false);
    }

    return menuContext;
}

function createMenuItem(menuItem, menuContext, itemClassName, itemId, tagName, isRoot)
{
    var itemContext = document.createElement(tagName);
    itemContext.className = itemClassName + (menuItem.isActive ? "-active" : "");
    menuContext.appendChild(itemContext);
    itemContext.id = menuContext.id + "-item-" + itemId;
    if(menuItem.tag.id == "submenu") {
        itemContext.className = itemClassName.replace("primary","secondary") + (menuItem.isActive ? "-active" : "");
    }

    if (menuItem.link)
    {

        if (menuItem.link.tag.extra_padding >= 8){
            var oldPaddingLeft=0;
            if(itemContext.style.paddingLeft) oldPaddingLeft=parseInt(itemContext.style.paddingLeft);
            itemContext.style.paddingLeft = (oldPaddingLeft+(menuItem.link.tag.extra_padding*3))+"px";
        }
        
        if ( menuItem.link.tag.menu_backgroundColor ){
            itemContext.style.backgroundColor = menuItem.link.tag.menu_backgroundColor;
        }
        

        var isLink=0;
        if( menuItem.link.tag.href ) 
        if( menuItem.link.tag.href.length > 0 ) 
        if( menuItem.link.tag.href.charAt(0) != "-" ) isLink=1;

        //alert("isLink="+isLink+"\n"+"menuItem.link.tag.href="+menuItem.link.tag.href);
        var link;

        link = document.createElement((isLink==1)?"a":"span");
        if(isLink==1)
        {
         link.href = menuItem.link.tag.href;
         //code added to open left nav link in new window..
         if(menuItem.link.tag.target== "_blank")
         link.target=menuItem.link.tag.target;
         //end of code added to open left nav link in new window..
        }
        
        // it is added by offshore team--begin
       if(isLink==1&&link.href.indexOf("gts")>-1)
       {
            isGTS=1;
       }
       if(isLink==1&&link.href.indexOf("products/abf")>-1)
       {
            isABF=1;
       }       
	    //Added by Narasingha
	   if(isLink==1&&link.href.indexOf("products/industries/accounting")>-1)
       {
            isIND=1;
       } 
       
       
       if(isLink==1&&link.href.indexOf("products/industries/realestate")>-1)
              {
                   isReal=1;
       }
       // it is added by offshore team--end
       
        var label = document.createTextNode(menuItem.link.label);
        addEventToElement(link, "mouseover", menuItemHoverIn, false);
        addEventToElement(link, "mouseout", menuItemHoverOut, false);
        itemContext.appendChild(link);
        link.appendChild(label);
//        alert(""+
//            "menuItem.link.tag.href=["+menuItem.link.tag.href+"]\n"+
//            "extra_padding=["+menuItem.link.tag.extra_padding+"]\n"+
//            "menuItem.link.label=["+menuItem.link.label+"]\n"+
//            "label=["+label+"]\n"+
//            "label=["+label+"]\n"+
//        "");
    }

    if (menuItem.menu)
    {
        var subMenu = createSubMenu(menuItem.menu, new MenuHook(itemContext), itemContext.id);
        itemContext.appendChild(subMenu);
    }
}

function menuItemHoverIn(evt)
{
    var event = getEvent(evt);
    var source = getEventSource(event);
    var parent = source.parentNode;
    currentMenuItem = parent;
    parent.renderedHeight = parent.offsetHeight;
    parent.renderedWidth = parent.offsetWidth;
    closeAll(parent);
    openPath(parent);
}

function menuItemHoverOut(evt)
{
    var event = getEvent(evt);
    var source = getEventSource(event);
    var parent = source.parentNode;
    currentMenuItem = null;
    tryClose(parent);
}

var tmpMenuItem;
function tryClose(menuItem)
{
    if (!currentMenuItem)
    {
        tmpMenuItem = menuItem;
        setTimeout("close2(tmpMenuItem)", tryClosePause);
    }
}

function close2(menuItem)
{
    if (menuItem && !currentMenuItem)
    {
        closeAll(menuItem);
    }
}

function getMenuChild(parent)
{
    var child = parent.firstChild;
    var done = false;

    while (!done && child)
    {
        if (child && child.className && child.className.match(nestedClassRegex))
        {
            done = true;
        }
        else
        {
            child = child.nextSibling;
        }
    }

    return child;
}

function openPath(menuItem)
{
    var path = new Array();
    var childMenu = getMenuChild(menuItem);

    if (childMenu)
    {
        path[path.length] = new Array();
        path[path.length - 1][0] = menuItem;
        path[path.length - 1][1] = childMenu;
    }

    var menu = menuItem.parentNode;

    while (menu && !menu.className.match(rootClassRegex))
    {
        menuItem = menu.parentNode;
        path[path.length] = new Array();
        path[path.length - 1][0] = menuItem;
        path[path.length - 1][1] = menu;
        menu = menuItem.parentNode;
    }

    for (var i = 0; i < path.length; i++)
    {
        openMenu(path[i][0], path[i][1], path.length - 1 - i);
    }
}

function openMenu(menuItem, menu, depth)
{
    var doAlert;
    var width = (menuItem.offsetWidth == 0 ? menuItem.renderedWidth : menuItem.offsetWidth);
    var pos = (depth == 0 ? 1 : getMenuItemPosition(menuItem));
    var height = (menuItem.offsetHeight == 0 ? menuItem.renderedHeight : menuItem.offsetHeight);
    var coords = (depth == 0 ? getDocumentOffset(menuItem) : [menuItem.offsetLeft, menuItem.offsetTop]);
    coords = getDocumentOffset(menuItem);
    var parent_menu=menuItem.parentNode;
    if (parent_menu) {
        if(parent_menu.style) {
        var left=0;
        var top=0;
        if (parent_menu.style.left) {coords[0]=parseInt(parent_menu.style.left.split('p')[0]);left=1;doAlert=1;}
        if (parent_menu.style.top) {coords[1]=parseInt(parent_menu.style.top.split('p')[0]);top=1;doAlert=1;}
        if(doAlert && false){
        alert("parent_menu.style.left="+parent_menu.style.left+"\n"+
                "parent_menu.style.top="+parent_menu.style.top+"\n"+
                "parent_menu.style.position="+parent_menu.style.position+"\n"+
                "parent_menu.style.display="+parent_menu.style.display+"\n"+
                "left="+left+"\n"+
                "top="+top+"\n"+
                "coords="+coords+"\n"+
                "");
        }
        }
    }
    coords[0]=0;
    if(depth > 0)coords[1]=0;

    menu.style.position = "absolute";
    menu.style.display = "block";
    menu.style.left = "-30px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
    menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3)) + "px";
    
    //begin - code added by offshore team
    if(isGTS==1)
    {
        menu.style.left = "-35px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
        if(pos==0||pos==4)
        {
         menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3)) + "px";
        }
        if(pos==1)
        {
          menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-20) - ((height*2)/3)) + "px";
        }
         if(pos==2)
         {
           menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-40) - ((height*2)/3)) + "px";
        }
        if(pos==3)
        {
             menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-60) - ((height*2)/3)) + "px";
        }
    }
    if(isABF==1 )
    {
        menu.style.left = "-40px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
        
        
        if(pos==1)
        {
          menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-12) - ((height*2)/3)) + "px";
        }
    } 
    if(isIND==1)
    {
    
    menu.style.left = "-30px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
    //menu.style.left = coords[0] + (depth == 0 ? -20 : width-40) + "px";
            if(pos==1)
            {
              menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-12) - ((height*2)/3)) + "px";
            }
            
            if(pos==2)
            {
            menu.style.left = "-80px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
            }
    }
    //if(isReal==1)
        //{
        
            
        //menu.style.left = "-30px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
        //menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3)) + "px";
        //menu.style.left = coords[0] + (depth == 0 ? -60 : width-30) + "px";
                //if(depth==1)
                //{
                  //menu.style.left ="-101px";
                //}
                
                
    //}
    
    
	
	//Added by Narasingha
  //  if(isIND==1)
  //  {
  //      menu.style.left = "-15px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
  //      if(pos==1)
  //      {
  //        menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-8) - ((height*1)/3)) + "px";
  //      }
//		if(pos==2)
  //      {
  //        menu.style.left = "-75px";
//		  menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height-8) - ((height*1)/3)) + "px";
  //      }
  //  } 
  
  
  
  if(depth==0)
   {
                  
      menu.style.left =coords[0] + (depth == 0 ? -20 : width-164) + "px";
      menu.style.top = ((coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3))) + "px";
      
                   
  } 
    
    if(depth==1)
      {
                  
       menu.style.left =coords[0] + (depth == 0 ? -20 : width-164) + "px";
       menu.style.top = ((coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3))/2) + "px";
                   
      } 
      
      
      if(isReal==1)
          {
          
              
          menu.style.left = "-30px"; //coords[0] + (depth == 0 ? -20 : width-40) + "px";
          menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3)) + "px";
          //menu.style.left = coords[0] + (depth == 0 ? -60 : width-30) + "px";
                  if(depth==1)
                  {
                    menu.style.left ="-101px";
                    menu.style.top = (coords[1] + ((pos+((depth > 0)?1:0)) * height) - ((height*2)/3))/2 + "px";
                    
                  }
                  
                  
    } 
    //end - code added by offshore team
    
    if(false){
    alert("boo\n"+
        "menuItem.offsetWidth="+menuItem.offsetWidth+"\n"+
        "menuItem.renderedWidth="+menuItem.renderedWidth+"\n"+
        "width="+width+"\n\n"+
        
        "depth="+depth+"\n"+
        "pos="+pos+"\n\n"+
        
        "menuItem.offsetHeight="+menuItem.offsetHeight+"\n"+
        "menuItem.renderedHeight="+menuItem.renderedHeight+"\n"+
        "height="+height+"\n\n"+
        
        "depth="+depth+"\n"+
        "getDocumentOffset(menuItem)="+getDocumentOffset(menuItem)+"\n"+
        "menuItem.offsetLeft="+menuItem.offsetLeft+"\n"+
        "menuItem.offsetTop="+menuItem.offsetTop+"\n"+
        "coords="+coords+"\n\n"+
       
        "depth="+depth+"\n"+
        "coords[0]="+coords[0]+"\n"+
        "width="+width+"\n"+
        "menu.style.left="+menu.style.left+"\n\n"+
                
        "depth="+depth+"\n"+
        "coords[1]="+coords[1]+"\n"+
        "pos="+pos+"\n"+
        "height="+height+"\n"+
        "((height*2)/3)="+((height*2)/3)+"\n"+
        "menu.style.top="+menu.style.top+"\n\n"+
                
//        "menuItem.link.label="+menuItem.link.label+"\n"+
        "");
   }
}

function getDocumentOffset(object)
{
    var coords = new Array();
    coords[0] = object.offsetLeft;
    coords[1] = object.offsetTop;

    while((object = object.offsetParent) != null)
    {
        coords[0] += object.offsetLeft;
        coords[1] += object.offsetTop;
    }

    return coords;
}

function getMenuItemPosition(menuItem)
{
    var pos = 0;
    var parentMenu = menuItem.parentNode;
    var childMenuItem = parentMenu.firstChild;
    var hit = false;

    while (childMenuItem)
    {
        if (childMenuItem == menuItem)
        {
            hit = true;
            break;
        }

        pos++;
        childMenuItem = childMenuItem.nextSibling;
    }

    if (!hit)
    {
        alert("Parent menu does not contain child menu item!");
    }

    return pos;
}

// @review Consider a closeAllBut(menuItem) that closes everything in the path above the menuItem for Mozilla

function closeAll(menuItem)
{
    var rootMenu = menuItem.parentNode;

    while (rootMenu && !rootMenu.className.match(rootClassRegex))
    {
        rootMenu = rootMenu.parentNode.parentNode;
    }

    closeAllChildren(rootMenu);
}

function closeAllChildren(menu)
{
    var child = menu.firstChild;

    while (child)
    {
        var subMenu = getMenuChild(child);

        if (subMenu)
        {
            closeAllChildren(subMenu);
            subMenu.style.display = "none";
        }

        child = child.nextSibling;
    }
}

function Book(tag, menu, hook)
{
    this.tag = tag;
    this.menu = menu;
    this.hook = hook;
}

function Menu(tag, menuItems, bookClassQualifier)
{
    this.tag = tag;
    this.menuItems = menuItems;
    this.bookClassQualifier = bookClassQualifier;
}

function MenuHook(tag)
{
    this.tag = tag;
}

function MenuItem(tag, link, isActive, menu)
{
    this.tag = tag;
    this.link = link;
    this.isActive = isActive;
    this.menu = menu;
}

function Link(tag, label)
{
    this.tag = tag;
    this.label = label;
}