//*****************************************************************************
// 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, clear the active
  // button.

  if (getContainerWith(el, "DIV", "menu") == null) {
    activeButton.menu.style.display = "none";
    activeButton = null;
  }
}

[END MODIFIED] */

// www.sean.co.uk
function pausecomp(millis)
{
var date = new Date();
var curDate = null;

do { curDate = new Date(); }
while(curDate-date < millis);
}
// end: www.sean.co.uk


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

  // Get the target button element.

  if (browser.isIE){
// ********** (bmason) IE select fix **********
	ie_select_fix("mainOuter", "hide");
    button = window.event.srcElement;
  }
  else
    button = event.currentTarget;

  // capture reference to the Main Content div to conditionally alter its overflow property
  elMC = document.getElementById("mainContent");
  
  if (elMC == null) 
     elMC = document.getElementById("mainContentRight");

  if (elMC == null) 
     elMC = document.getElementById("mainOuter");


  // 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)
    activeButton.menu.style.display = "none";

  // Activate this button, unless it was the currently active one.

  if (button != activeButton) {
    button.menu.style.display = "block";
    activeButton = button;
    // temporary Gecko bug fix
    if ((!browser.isIE) && (elMC != null)) elMC.style.overflow = "hidden";
  }
  else
    activeButton = null;

  return false;
}


function buttonMouseover(event, menuId) {
  var button;

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

//  pausecomp(250);


// 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){
  // ********** (bmason) IE select fix **********
  	ie_select_fix("mainOuter", "hide");
    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);
}

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

function menuMouseover(event) {
  var menu;

  // Find the target menu element.

  if (browser.isIE){
// ********** (bmason) IE select fix **********
	ie_select_fix("mainOuter", "hide");
    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]

  // show menu
  item.subMenu.style.display = "block";
  // 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.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;
  var elMC;

  // If there is no active button, exit.

  if (activeButton == null) {
    return;
  }

  // capture reference to the Main Content div to conditionally alter its overflow property
  elMC = document.getElementById("mainContent");
  
  if (elMC == null) 
     elMC = document.getElementById("mainContentRight");

    if (elMC == null) 
     elMC = document.getElementById("mainOuter");
  
  // Find the element the mouse is moving to.

  if (browser.isIE){
// ********** (bmason) IE select fix **********
	ie_select_fix("mainOuter", "show");
    el = window.event.toElement;
  }
  else if (event.relatedTarget != null)
      el = (event.relatedTarget.tagName ? event.relatedTarget : event.relatedTarget.parentNode);
  
  if (getContainerWith(el, "DIV", "menu") == null) {
    if (activeButton.menu != null) {
       activeButton.menu.style.display = "none";

       // temporary Gecko bug fix
       if ((!browser.isIE) && (elMC != null)) elMC.style.overflow = "auto";
    }
    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";
      // 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) {
    menu.iframeEl = menu.parentNode.insertBefore(document.createElement("IFRAME"), menu);
    menu.iframeEl.style.display = "none";
    menu.iframeEl.style.position = "absolute";
  }
*/
  // Mark menu as initialized.
  
 // ********** (bmason) IE Select fix **********
 	if(browser.isIE){
		ie_select_fix("mainOuter", "hide");
	}

  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: ie_select_fix
	Author: Brice Mason
	Date: 06/10/2005
	Description: Given the id of an element located within the
	current document, all select elements will be shown/hidden.
	This 'corrects' a bug in IE where dynamic menus layered over
	select controls displays the select control through the menu.
----------------------------------------------------------------- */
// The third argument is used for when being called recursively	
		function ie_select_fix(root_id, action, nlChildren){
// Initialize show/hide variable. If we want to 'hide' set the var accordingly.	
			var show_hide = "visible";
			if(action == "hide"){
// #####				
				show_hide = "hidden";
			}
// If a nodelist of children was passed, the function was called recursively
			if(nlChildren){
// We have a nodelist of child elements. Loop over them and process.
				for(var i = 0; i < nlChildren.length; i++){
// If we are working with a select element, perform the show/hide action on it.
// Check for kids and call recursively if needed.
					if(nlChildren.item(i).tagName == "SELECT"){
						nlChildren.item(i).style.visibility = show_hide;
					}
					if(nlChildren.item(i).hasChildNodes()){
						ie_select_fix(root_id, action, nlChildren.item(i).childNodes);
					}									
				}			
			}
// The 'else' block is used during the initial call			
			else{
// Get the root element we want to work with.			
				var elRoot = document.getElementById(root_id);
// If the root element does not exist, do nothing 				
				if(! elRoot){ return; }
// Check for children. If present, loop over and process accordingly.
				if(elRoot.hasChildNodes()){
					var nlRootChildren = elRoot.childNodes;
					for(var i = 0; i < nlRootChildren.length; i++){
						if(nlRootChildren.item(i).tagName == "SELECT"){
							nlRootChildren.item(i).style.visibility = show_hide;
						}
						if(nlRootChildren.item(i).hasChildNodes()){
							ie_select_fix(root_id, action, nlRootChildren.item(i).childNodes);
						}
					}
				}				
			}
		} // ie_select_fix()