//***************************************************** MENUBAR ********************************************************

// Do not remove this notice.
//
// Copyright 2000 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

var themeOffsetY = 0;

//----------------------------------------------------------------------------
// Code to determine the browser and version.
//----------------------------------------------------------------------------

function Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------

var activeButton = null;

function buttonClick(event, menuId, offsetY) {
  var button;

  // Get the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // Blur focus from the link to remove that annoying outline.

  button.blur();

  // Associate the named menu to this button if not already done.
  // Additionally, initialize menu display.

  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
    if (button.menu != null && button.menu.isInitialized == null)
      menuInit(button.menu);
  }

  // [MODIFIED] Added for activate/deactivate on mouseover.
  // Set mouseout event handler for the button, if not already done.

  if (button.onmouseout == null)
    button.onmouseout = buttonOrMenuMouseout;

  // Exit if this button is the currently active one.

  /*if (button == activeButton)
    return false;*/

  // [END MODIFIED]

  // Reset the currently active button, if any.

  if (activeButton != null)
    resetButton(activeButton);
	
  // Activate this button, unless it was the currently active one.

  if (button != activeButton) {
    depressButton(button, offsetY);
    activeButton = button;
	}
  else
	{
		activeButton = null;
	}

  //return false;
}

function buttonMouseover(event, menuId, offsetY) {

  var button;

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Activates this button's menu if no other is currently active.

  if (activeButton == null) {
    buttonClick(event, menuId, offsetY);
    return;
  }

  // [END MODIFIED]

  // Find the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // If any other button menu is active, make this one active instead.

  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId, offsetY);
}

function depressButton(button, offsetY) {
  var x, y;

  // Update the button's style class to make it look like it's
  // depressed.

  button.className += " menuButtonActive";

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Set mouseout event handler for the button, if not already done.

  if (button.onmouseout == null)
    button.onmouseout = buttonOrMenuMouseout;
  if (button.menu != null && button.menu.onmouseout == null)
    button.menu.onmouseout = buttonOrMenuMouseout;

  // [END MODIFIED]

  // Position the associated drop down menu under the button and
  // show it.
	if (offsetY == null || isNaN(offsetY))
		offsetY = themeOffsetY;
  x = getPageOffsetLeft(button);
  y = getPageOffsetTop(button) - offsetY + button.offsetHeight;

  // For IE, adjust position.
/*
  if (browser.isIE) {
    x += button.offsetParent.clientLeft;
    y += button.offsetParent.clientTop;
  }
*/
	if (button.menu != null)
	{
		button.menu.style.left = x + "px";
		button.menu.style.top  = y + "px";
			
		button.menu.style.visibility = "visible";
	}
}

function resetButton(button) {
	// Restore the button's style class.
  if ( hasClassName(button, "menuItemHighlight") )
		removeClassName(button, "menuItemHighlight");
	else
		removeClassName(button, "menuButtonActive");

  // Hide the button's menu, first closing any sub menus.

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";
  }
}

//----------------------------------------------------------------------------
// Code to handle the menus and sub menus.
//----------------------------------------------------------------------------

function menuMouseover(event) {

	 var menu;

	// Find the target menu element.
	if (browser.isIE)
	{
		menu = getpageWith(window.event.srcElement, "DIV", "menu");
		if (menu == null)
		{
			menu = getpageWith(window.event.srcElement, "DIV", "menuBarV");
		}
	}
	else
		menu = event.currentTarget;

	// Close any active sub menu.
	if (menu != null && menu.activeItem != null)
	{
		closeSubMenu(menu);
	}
}

function menuItemMouseover(event, menuId, offsetY) {
  var item, menu, x, y;

  // Find the target item element and its parent menu element.

  if (browser.isIE)
    item = getpageWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  
	menu = getpageWith(item, "DIV", "menu");
	if (menu == null)
	{
		menu = getpageWith(item, "DIV", "menuBarV");
		buttonClick(event, menuId, offsetY);
	}
			
  // Close any active sub menu and mark this one as active.

	if (menu != null && menu.activeItem != null)
	{
		closeSubMenu(menu);
	}
  
	if (menu != null)
		menu.activeItem = item;

  // Highlight the item element.

  item.className += " menuItemHighlight";
	
  // Initialize the sub menu, if not already done.

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    if (item.subMenu.isInitialized == null)
      menuInit(item.subMenu);
  }

  // [MODIFIED] Added for activate/deactivate on mouseover.

  // Set mouseout event handler for the sub menu, if not already done.

  if (item.subMenu.onmouseout == null)
    item.subMenu.onmouseout = buttonOrMenuMouseout;

  // [END MODIFIED]

  // Get position for submenu based on the menu item.
	if (offsetY == null || isNaN(offsetY) )
		offsetY = themeOffsetY;
		
  x = getPageOffsetLeft(item) + item.offsetWidth;
  y = getPageOffsetTop(item) - offsetY;

  // Adjust position to fit in view.

  var maxX, maxY;

  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  if (browser.isIE) {
    maxX = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft) +
      (document.documentElement.clientWidth != 0 ? document.documentElement.clientWidth : document.body.clientWidth);
    maxY = Math.max(document.documentElement.scrollTop, document.body.scrollTop) +
      (document.documentElement.clientHeight != 0 ? document.documentElement.clientHeight : document.body.clientHeight);
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;

  if (x > maxX)
    x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth
      + (menu.offsetWidth - item.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));

  // Position and show the sub menu.

  item.subMenu.style.left = x + "px";
  item.subMenu.style.top  = y + "px";
  item.subMenu.style.visibility = "visible";

  // Stop the event from bubbling.

  if (browser.isIE)
    window.event.cancelBubble = true;
  else
    event.stopPropagation();
}

function closeSubMenu(menu) 
{
	if (menu == null || menu.activeItem == null)
		return;

		
	// Recursively close any sub menus.
	if (menu.activeItem.subMenu != null) 
	{
		closeSubMenu(menu.activeItem.subMenu);
		menu.activeItem.subMenu.style.visibility = "hidden";
		menu.activeItem.subMenu = null;
	}
	removeClassName(menu.activeItem, "menuItemHighlight");
	menu.activeItem = null;
}

// [MODIFIED] Added for activate/deactivate on mouseover. Handler for mouseout
// event on buttons and menus.

function buttonOrMenuMouseout(event) 
{
	var el;

	// If there is no active button, exit.
	if (activeButton == null)
	{
		return;
	}

	// Find the element the mouse is moving to.
	if (browser.isIE)
		el = window.event.toElement;
	else if (event.relatedTarget != null)
		el = (event.relatedTarget.tagName ? event.relatedTarget : event.relatedTarget.parentNode);

	// If the element is not part of a menu, reset the active button.
	if (getpageWith(el, "DIV", "menu") == null) 
	{
		resetButton(activeButton);
		activeButton = null;
	}
}

// [END MODIFIED]

//----------------------------------------------------------------------------
// Code to initialize menus.
//----------------------------------------------------------------------------

function menuInit(menu) {

  var itemList, spanList;
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;

  // For IE, replace arrow characters.

  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }

  // Find the width of a menu item.

  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;

  // For items with arrows, add padding to item text to make the
  // arrows flush right.

  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN");
    textEl  = null;
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow"))
        arrowEl = spanList[j];
    }
    if (textEl != null && arrowEl != null)
      textEl.style.paddingRight = (itemWidth
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";
  }

  // Fix IE hover problem by setting an explicit width on first item of
  // the menu.

  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }

  // Mark menu as initialized.

  menu.isInitialized = true;
}

//----------------------------------------------------------------------------
// General utility functions.
//----------------------------------------------------------------------------

function getpageWith(node, tagName, className) {

	// Starting with the given node, find the nearest containing element
	// with the specified tag name and style class.
	
	while (node != null) 
	{
		if (node.tagName != null && node.tagName == tagName && hasClassName(node, className))
			return node;
		node = node.parentNode;
	}
	
	return node;
}

function hasClassName(el, name) {

	var i, list;
	
	// Return true if the given element currently has the given class
	// name.
	
	list = el.className.split(" ");
	for (i = 0; i < list.length; i++)
	{
		if (list[i] == name)
			return true;
		// we somtimes need to overwrite classname if many menu on the same page
		// so look if the className starts with className param
		/*if (list[i].indexOf(name) == 0)
			return true;*/
	}
	
	return false;
}

function removeClassName(el, name) {
	
	var i, curList, newList;
	
	if (el.className == null)
		return;
	
	//alert(el.className)
	
	// Remove the given class name from the element's className property.
	
	newList = new Array();
	curList = el.className.split(" ");
	for (i = 0; i < curList.length; i++)
	{
		if (curList[i] != name)
			newList[newList.length] = curList[i];
	}
	 
	el.className = newList.join(" ");
	//alert(el.className)
}

function getPageOffsetLeft(el) {
  var x;

  // Return the x coordinate of an element relative to the page.

  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

  // Return the x coordinate of an element relative to the page.
	//alert(themeOffsetY);
  y = el.offsetTop;// - themeOffsetY;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

return y;
}

//***************************************************** FIN MENUBAR ********************************************************