//----------------------------------------------------------------------------
// 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.
 // alert(menuId); value is stovministries
  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;
//  alert(button);  shows the path and file name of the index file when href=""
//  this shows the path of href plus the file name value when given.
  // 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.
 //  alert(button.menu) is undefined first time through
  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
 //  alert(button.menu); value is HTMLDivElement
    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.
 //   document.getElementById(menuId).onmouseout = closeMenu;
 
   if (button.onmouseout == null)
       button.onmouseout = buttonOrMenuMouseout;

  // Exit if this button is the currently active one.
  // alert(button); value is the path name and index.htm file name
  // alert(activeButton); value is null first time through
    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.
  
// alert(activeMenu);  stovministries is the value of activeMenu here
    if (button != activeButton) {
      depressButton(event, button, menuId);
      activeButton = button;
    }
    else
      activeButton = null;
 // alert(activeButton); value is the path name and index.htm file name first time through 
  return false;
}
function depressButton(event, button, menuId) {
  
  var el, x, y;
  
  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.
   
   el = document.getElementById(menuId);
// value should be HTMLDivElement for el
  
   if (window.event)
   {
      x = window.event.clientX + document.documentElement.scrollLeft
                               + document.body.scrollLeft;
      y = window.event.clientY + document.documentElement.scrollTop
                               + document.body.scrollTop;
   }
   else 
   {
      x = event.clientX + window.scrollX;
      y = event.clientY + window.scrollY;
   }
   
   x -= 2; y -= 2;
   el.style.left = x + "px";
   el.style.top  = y + "px";
   el.style.visibility = "visible";
   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", "menu2");
  else
    menu = event.currentTarget;
  
//  alert(event.currentTarget); value is HTMLDivElement
  // Close any active sub menu.
 // alert(menu); value is HTMLDivElement
 // alert(menu.activeItem); this value is undefined first time through does not execute closeSubMenu when undefined
  if (menu.activeItem != null)
      closeSubMenu(menu);
   
}

function menuItemMouseover(event, menuId) {
  
  var item, menu, x, y;
//  alert(menuId); value is education
  // Find the target item element and its parent menu element.
 
  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem2");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu2");
  
  // Close any active sub menu and mark this one as active.
//  alert(menu.activeItem); value first time is undefined will not execute closeSubMenu here
  if (menu.activeItem != null)
    closeSubMenu(menu);
      
    menu.activeItem = item;
 // alert(menu.activeItem); this value is the file path and file name index.htm
     
  // Highlight the item element.

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

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    // alert(item.subMenu); value is HTMLDivElement
    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 - 8;
  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", "menu2") == null) {
      resetButton(activeButton);
      activeButton = null;
  }  
}

// [END MODIFIED]

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

function menuInit(menu) {
  // alert(menu); value first time is HTMLDivElement when comes from clickButton
  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];
          continue;
        }
      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) {
 // alert(node.tagName); value is DIV
  // 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;
// alert("name is " +name+ " el is " +el+ " "); value el name is either menuItemArrow or menuItemText and the name value is HTMLSpanElement
   
  // Return true if the given element currently has the given class
  // name.
  
  list = el.className.split(" ");
 // alert("list is " +list+ " list.length is " +list.length+ " "); value for list is menu2 or menuItemText or menuItemArrow depending or menu level here.  Length is usually 1
  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;
 //  alert("start getPageOffsetLeft");
  //  alert(el);
  // Return the x coordinate of an element relative to the page.
  x = el.offsetLeft;
 //  alert("OffsetLeft x is " +x+ " offsetParent is " +el.offsetParent+ " ");
  if (el.offsetParent != null) 
    x += getPageOffsetLeft(el.offsetParent);
    
 //  alert("After and before return OffsetLeft x is " +x+ " offsetParent is " +el.offsetParent+ " ");
  return x;
}

function getPageOffsetTop(el) {
 
  var y;
  
  // Return the x coordinate of an element relative to the page.

  y = el.offsetTop;
  // alert("OffsetTop y is " +y+ " offsetParent is " +el.offsetParent+ " ");
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);
  //  alert("After OffsetTop y is " +y+ " offsetParent is " +el.offsetParent+ " ");

  return y;
}
//----------------------------------------------------------------------------
// Selection List Functionality For Site Navigation Below.
//----------------------------------------------------------------------------

function go_there(navigation_list) {

  // Get the currently selected option
  
  var new_page = navigation_list.options[navigation_list.selectedIndex].value

  // Is it a page option?

  if (new_page != "") {
      self.location = new_page;
  }
}