//<![CDATA[ 

//***************************************************************************** 
// Do not remove this notice. 
// 
// Copyright 2000-2004 by Mike Hall. 
// See http://www.brainjar.com for terms of use. 
//***************************************************************************** 

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

function Browser() { 

  var ua, s, i; 

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

  ua = navigator.userAgent; 

  s = "Opera"; 
  if ((i = ua.indexOf(s)) >= 0) { 
    this.isOP = 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 Netscape 6.1. 

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

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

var browser = new Browser(); 

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

var activeButton = null; 

// Capture mouse clicks on the page so any active button can be 
// deactivated. 

if (browser.isIE) 
  document.onmousedown = pageMousedown; 
else 
  document.addEventListener("mousedown", pageMousedown, true); 

function pageMousedown(event) { 

  var el; 

  // If there is no active button, exit. 

  if (activeButton == null) 
    return; 


  // Find the element that was clicked on. 

  if (browser.isIE) 
    el = window.event.srcElement; 
  else 
    el = (event.target.tagName ? event.target : event.target.parentNode); 

  // If the active button was clicked on, exit. 

  if (el == activeButton) 
    return; 

  // If the element is not part of a menu, reset and clear the active 
  // button. 

  if (getContainerWith(el, "DIV", "menu") == null) { 
    resetButton(activeButton); 
    activeButton = null; 
  } 
} 

function buttonClick(event, menuId) { 

  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.isInitialized == null) 
      menuInit(button.menu); 
  } 

  // 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); 
    activeButton = button; 
  } 
  else 
    activeButton = null; 

  return false; 
} 

function buttonMouseover(event, menuId) { 

  var button; 

  // 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); 
} 

function depressButton(button) { 

  var x, y; 

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

  button.className += " menuButtonActive"; 

  // Position the associated drop down menu under the button and 
  // show it. 

  x = getPageOffsetLeft(button); 
  y = getPageOffsetTop(button) + button.offsetHeight; 

  // For IE, adjust position. 

  if (browser.isIE) { 
    x += button.offsetParent.clientLeft; 
    y += button.offsetParent.clientTop; 
  } 

  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. 

  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 = getContainerWith(window.event.srcElement, "DIV", "menu"); 
  else 
    menu = event.currentTarget; 

  // Close any active sub menu. 

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

function menuItemMouseover(event, menuId) { 

  var item, menu, x, y; 

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

  if (browser.isIE) 
    item = getContainerWith(window.event.srcElement, "A", "menuItem"); 
  else 
    item = event.currentTarget; 
  menu = getContainerWith(item, "DIV", "menu"); 

  // Close any active sub menu and mark this one as active. 

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

  // Get position for submenu based on the menu item. 

  x = getPageOffsetLeft(item) + item.offsetWidth; 
  y = getPageOffsetTop(item); 

  // Adjust position to fit in view. 

  var maxX, maxY; 

  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); 
  } 
  if (browser.isOP) { 
    maxX = document.documentElement.scrollLeft + window.innerWidth; 
    maxY = document.documentElement.scrollTop  + window.innerHeight; 
  } 
  if (browser.isNS) { 
    maxX = window.scrollX + window.innerWidth; 
    maxY = window.scrollY + window.innerHeight; 
  } 
  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 it. 

  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; 
} 

//---------------------------------------------------------------------------- 
// 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"; 
      // For Opera, remove the negative right margin to fix a display bug. 
      if (browser.isOP) 
        arrowEl.style.marginRight = "0px"; 
    } 
  } 

  // 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; 
} 

 // [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 (getContainerWith(el, "DIV", "menu") == null) { 
    resetButton(activeButton); 
    activeButton = null; 
  } 
} 

// [END MODIFIED] 

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

function getContainerWith(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; 

  return false; 
} 

function removeClassName(el, name) { 

  var i, curList, newList; 

  if (el.className == null) 
    return; 

  // 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.push(curList[i]); 
  el.className = newList.join(" "); 
} 

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. 

  y = el.offsetTop; 
  if (el.offsetParent != null) 
    y += getPageOffsetTop(el.offsetParent); 

  return y; 
} 

//]]>