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

//*****************************************************************************
// Extreme changes by Kae Verens, 2004, webworks.ie
//*****************************************************************************

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


function addEvent(el,ev,fn){
 if(el.attachEvent)el.attachEvent('on'+ev,fn);
 else if(el.addEventListener)el.addEventListener(ev,fn,false);
}

addEvent(window,'load',buildMagicMenu);

var mmMenus=0;
var mmAlignment=0; // 1 is top, 0 is left
var oldRoot;
var append;
var workingId;
var callerId;

function addRule(rule){
 if(document.styleSheets&&document.styleSheets.length){
  if(document.styleSheets[0].insertRule){
   document.styleSheets[0].insertRule(rule,0);
  }else if(document.styleSheets[0].addRule){
   // microbuggysoft code
   arr=rule.split('{');
   s=arr[0];
   r=arr[1].split('}');
   document.styleSheets[0].addRule(s,r);
  }
 }else{
  // no alternate code yet
 }
}

function buildMagicMenu(){
 addRule('.menu{left:0;position:absolute;top:0;visibility:hidden;z-index:101;}');
 addRule('.menuItemMMT{left:0;top:0;display:block;}');
 addRule('.menuItemMML{left:0;top:0;display:block;}');
 do{
  myUls=document.getElementsByTagName('ul');
  found=0;
  for(myI=0;myUls[myI];myI++){
   if((myUls[myI].className=='magicmenutop'||myUls[myI].className=='magicmenuleft')&&!found){
    workingId=myUls[myI].id;//alert(workingId);
    append=(myUls[myI].className=='magicmenutop')?'MMT':'MML';
    found=1;
    myEl=document.createElement('div');
    myEl.className='menuBar'+append;
    oldRoot=myUls[myI];
    mmAlignment=(append=='MMT')?1:0;
    if(!mmAlignment){
     addRule('.menuBar'+append+'{}');
     if(!document.styleSheets)myEl.style='';
     addRule('.menuItemTop'+append+'{display:block;}');
    }
    for(myJ=0;myUls[myI].childNodes[myJ];myJ++){
     if(myUls[myI].childNodes[myJ].tagName=='LI'){
      isMenuHolder=0;
      myEl2=document.createElement('a');
      if(!mmAlignment&&!document.styleSheets)myEl2.style='display:block;';
      myEl2.className='menuItemTop'+append;
      myEl3=myUls[myI].childNodes[myJ];
      for(myK=0;myEl3.childNodes[myK];myK++){
       if(myEl3.childNodes[myK].tagName=='A'){
        myEl2.href=myEl3.childNodes[myK].href;
        myEl2.innerHTML=myEl3.childNodes[myK].innerHTML;
       }
       if(myEl3.childNodes[myK].tagName=='UL'){
        isMenuHolder=MagicMenuBuildSubMenu(myEl3.childNodes[myK],mmMenus+1,2);
       }
      }
      if(isMenuHolder!=0){
       myEl2.id=isMenuHolder+'_caller';
       addEvent(myEl2,'mouseover',buttonMouseover);
      }
      myEl.appendChild(myEl2);
     }
    }
    x=document.createElement('input');
    x.name=workingId;
    x.id=workingId;
    x.value=0;
    myUls[myI].parentNode.insertBefore(x,myUls[myI]);
    myUls[myI].parentNode.insertBefore(myEl,myUls[myI]);
    myUls[myI].parentNode.removeChild(myUls[myI]);
   }
  }
 }while(found);
}

var mmArray=new Array([]);

function MagicMenuBuildSubMenu(elOld,x,depth){
 mmArray[x]=new Array();
 mmArray[x][0]=document.createElement('div');
 mmArray[x][0].className="menu zIndex"+depth;
 if(!document.styleSheets)mmArray[x][0].style="left:0;position:absolute;top:0;visibility:hidden;z-index:101;";
 mmArray[x][0].id='magicmenuId'+x;
 addEvent(mmArray[x][0],'mouseover',menuMouseover);

 mmMenus=x;
 
 for(mmArray[x][1]=0;elOld.childNodes[mmArray[x][1]];mmArray[x][1]++){
  if(elOld.childNodes[mmArray[x][1]].tagName=='LI'){
   mmArray[x][2]=0;
   mmArray[x][3]=document.createElement('a');
   mmArray[x][4]=elOld.childNodes[mmArray[x][1]];
   for(mmArray[x][5]=0;mmArray[x][4].childNodes[mmArray[x][5]];mmArray[x][5]++){
    if(mmArray[x][4].childNodes[mmArray[x][5]].tagName=='A'){
     mmArray[x][3].href=mmArray[x][4].childNodes[mmArray[x][5]].href;
     mmArray[x][3].innerHTML=mmArray[x][4].childNodes[mmArray[x][5]].innerHTML;
     mmArray[x][3].className='menuItem'+append;
     if(!document.styleSheets)mmArray[x][3].style='left:0;top:0;display:block;';
    }
    if(mmArray[x][4].childNodes[mmArray[x][5]].tagName=='UL'){
     mmArray[x][2]=MagicMenuBuildSubMenu(mmArray[x][4].childNodes[mmArray[x][5]],mmMenus+1,depth+1);
    }
   }
   if(mmArray[x][2]!=0){
    mmArray[x][3].id=mmArray[x][2]+'_caller';
    addEvent(mmArray[x][3],'mouseover',menuItemMouseover);
   }
   mmArray[x][0].appendChild(mmArray[x][3]);
  }
 }
 oldRoot.parentNode.insertBefore(mmArray[x][0],oldRoot);
 return 'magicmenuId'+x;
}


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) {
  event=(event)?event:((window.event)?window.event:"");
  
  var button;

  // Get the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  menuId=button.id.split('_')[0];

  // 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) {
  event=(event)?event:((window.event)?window.event:"");

  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;
  menuId=button.id.split('_')[0];

  // 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.

  mmAlignment=(button.className.indexOf('MMT')>0)?1:0;
  x = getPageOffsetLeft(button);
  if(mmAlignment==0)x+=button.offsetWidth-10;
  y = getPageOffsetTop(button);
  if(mmAlignment==1)y+=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) {

  // Hide the button's menu, first closing any sub menus.

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";
  }

return;
  // Restore the button's style class.

  removeClassName(button, "menuButtonActive");
}

//----------------------------------------------------------------------------
// 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) {
  event=(event)?event:((window.event)?window.event:"");

  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");

  menuId=item.id.split('_')[0];

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

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

  // 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]

  // 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) {
   if(browser.version>5.22){
    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);
   }else{
    maxX = document.body.scrollLeft+document.body.clientWidth;
    maxY = document.body.scrollTop+document.body.clientHeight;
   }
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;

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

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

  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-80) + "px";
  item.subMenu.style.top  = (y+4) + "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;
  }
  menu.activeItem = null;
return;
  removeClassName(menu.activeItem, "menuItemHighlight");
}

// [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.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;
}