<!--************************************************************************-->
<!--* Revenge of the Menu Bar Demo                                         *-->
<!--*                                                                      *-->
<!--* Copyright 2000 by Mike Hall                                          *-->
<!--* Please see http://www.brainjar.com for terms of use.                 *-->
<!--************************************************************************-->


		//<![CDATA[
		
		//*****************************************************************************
		// Do not remove this notice.
		//
		// Copyright 2000 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.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) {
		
		  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;
		  }
		
		  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);
		  }
		
		  // [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);
		
		  // 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 (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";
		        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 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.id == 'bodywrap')
		  {
			  x = 0;
		  }
		  else 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.id == 'bodywrap')
		  {
			  y = 0;
		  }
		  else if (el.offsetParent != null)
		  {
		    y += getPageOffsetTop(el.offsetParent);
		  }

		  return y;
		}
		
		
		//]]>