
 
//***************************************************************************** 
// 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; 
 
/* [MODIFIED] This code commented out, not needed for activate/deactivate 
   on mouseover. 
 
// 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; 
  } 
} 
 
[END MODIFIED] */ 
 
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); 
  } 
 
  // [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); 
    activeButton = button; 
  } 
  else 
    activeButton = null; 
 
  return false; 
} 
 
function buttonMouseover(event, menuId) { 
 
  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); 
    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); 
} 
 
function depressButton(button) { 
 
  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.onmouseout == null) 
    button.menu.onmouseout = buttonOrMenuMouseout; 
 
  // [END MODIFIED] 
 
  // 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-10; 
  } 
 
  button.menu.style.left = x + "px"; 
  button.menu.style.top  = y + "px"; 
  button.menu.style.visibility = "visible"; 
 
  // For IE; size, position and show the menu's IFRAME as well. 
 
  if (button.menu.iframeEl != null) 
  { 
    button.menu.iframeEl.style.left = button.menu.style.left; 
    button.menu.iframeEl.style.top  = button.menu.style.top; 
    button.menu.iframeEl.style.width  = button.menu.offsetWidth + "px"; 
    button.menu.iframeEl.style.height = button.menu.offsetHeight + "px"; 
    button.menu.iframeEl.style.display = ""; 
  } 
} 
 
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"; 
 
    // For IE, hide menu's IFRAME as well. 
 
    if (button.menu.iframeEl != null) 
      button.menu.iframeEl.style.display = "none"; 
  } 
} 
 
//---------------------------------------------------------------------------- 
// 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); 
  } 
 
  // [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. 
 
  x = getPageOffsetLeft(item) + item.offsetWidth; 
  y = getPageOffsetTop(item) + item.offsetHeight-32; 
 
  // 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 the sub menu. 
 
  item.subMenu.style.left       = x + "px"; 
  item.subMenu.style.top        = y + "px"; 
  item.subMenu.style.visibility = "visible"; 
 
  // For IE; size, position and display the menu's IFRAME as well. 
 
  if (item.subMenu.iframeEl != null) 
  { 
    item.subMenu.iframeEl.style.left    = item.subMenu.style.left; 
    item.subMenu.iframeEl.style.top     = item.subMenu.style.top; 
    item.subMenu.iframeEl.style.width   = item.subMenu.offsetWidth + "px"; 
    item.subMenu.iframeEl.style.height  = item.subMenu.offsetHeight + "px"; 
    item.subMenu.iframeEl.style.display = ""; 
  } 
 
  // 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"; 
 
    // For IE, hide the sub menu's IFRAME as well. 
 
    if (menu.activeItem.subMenu.iframeEl != null) 
      menu.activeItem.subMenu.iframeEl.style.display = "none"; 
 
    menu.activeItem.subMenu = null; 
  } 
 
  // Deactivate the active menu item. 
 
  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 (getContainerWith(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"; 
        
      } 
  } 
 
  // 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"; 
  } 
 
  // Fix the IE display problem (SELECT elements and other windowed controls 
  // overlaying the menu) by adding an IFRAME under the menu. 
 
  if (browser.isIE) { 
    var iframeEl = document.createElement("IFRAME"); 
    iframeEl.frameBorder = 0; 
    iframeEl.src = "javascript:;"; 
    iframeEl.style.display = "none"; 
    iframeEl.style.position = "absolute"; 
    iframeEl.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)"; 
    menu.iframeEl = menu.parentNode.insertBefore(iframeEl, menu); 
  } 
 
  // Mark menu as initialized. 
 
  menu.isInitialized = true; 
} 
 
//---------------------------------------------------------------------------- 
// 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; 
} 
 

