 //*****************************************************************************
 // 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 mnubrowser = 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 (mnubrowser.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 (mnubrowser.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 (mnubrowser.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";
 
   // 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 (mnubrowser.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 (mnubrowser.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 (mnubrowser.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 (mnubrowser.isOP) {
     maxX = document.documentElement.scrollLeft + window.innerWidth;
     maxY = document.documentElement.scrollTop  + window.innerHeight;
   }
   if (mnubrowser.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 (mnubrowser.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 (mnubrowser.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 (mnubrowser.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 (mnubrowser.isOP)
         arrowEl.style.marginRight = "0px";
     }
   }
 
   // Fix IE hover problem by setting an explicit width on first item of
   // the menu.
 
   if (mnubrowser.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.
 
   // Fix the IE display problem (SELECT elements and other windowed controls
   // overlaying the menu) by adding an IFRAME under the menu.
 
   if (mnubrowser.isIE) {
     //menu.iframeEl = menu.parentNode.insertBefore(document.createElement("IFRAME"), menu);
     //menu.iframeEl.style.display = "none";
     //menu.iframeEl.style.position = "absolute";
   }
 
   // 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);
 //to compensate that the menu bar has no border we adjust this offset slightly
 //this is to prevent IE from hiding the drop down menu before you can select a sub item
 y = y -1;
   return y;
 }

