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;



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 close up the button and
  // show it.
  //alert("button.menu.offsetWidth " + button.menu.offsetWidth +" button.offsetWidth " + button.offsetWidth + " button.width " + button.width);
	button.menu.style.display = "block";
	
	switch(button.getAttribute("side"))
	{
	case "R":
		x = getPageOffsetLeft(button) - button.menu.offsetWidth;
	break;
	case "L":
		x = getPageOffsetLeft(button) + button.offsetWidth;
	break;
	case "C":
		//alert(button.offsetWidth);
		x = getPageOffsetLeft(button)-17;//- ((215-button.offsetWidth)/2) ;
		if (x < 0){
		x=0;
		}
		//x=0;
	break;		
	default:
		x = getPageOffsetLeft(button) + button.offsetWidth;
	
	}
	/*if (button.getAttribute("side")=="R")
		{
		
		x = getPageOffsetLeft(button) - button.menu.offsetWidth;
		}
	else
		{
		x = getPageOffsetLeft(button) + button.offsetWidth;
		}
	*/
	
	switch(button.getAttribute("open"))
	{
	case "Up":
		y = getPageOffsetTop(button) + button.offsetHeight - button.menu.offsetHeight;
	break;
	case "Down":
		y = getPageOffsetTop(button)+20;
	break;
	//case "Up":
		
//	break;		
	default:
		y = getPageOffsetTop(button);
	
	}
	/*if(button.getAttribute("open") == "Up")
		{

			y = getPageOffsetTop(button) + button.offsetHeight - button.menu.offsetHeight;
		}
	else
		{			
			y = getPageOffsetTop(button);
		}*/	

  // 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";
	//button.menu.style.display = "block";
}

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";
	button.menu.style.display = "none";

  }
}

//----------------------------------------------------------------------------
// 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 in right or left side.
  item.subMenu.style.display = "block";
  	if (menu.getAttribute("side")=="R")
		{
		x = getPageOffsetLeft(item) - item.offsetWidth + 4;
		}
	else
		{
		x = getPageOffsetLeft(item) + item.offsetWidth;
		}
	
  if(item.subMenu.getAttribute("subOpen") == "subUp")
  {
    y = getPageOffsetTop(item) + item.offsetHeight - item.subMenu.offsetHeight;
    //y = getPageOffsetTop(item) + item.offsetHeight - getMenuHeight(item.subMenu);
   }
  else
  {
	y = getPageOffsetTop(item);
  }
  
  // Adjust position to fit in view.

  var maxX, maxY;

  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);
  }
  if (browser.isOP) {
    maxX = document.documentElement.scrollLeft + window.innerWidth;
    maxY = document.documentElement.scrollTop  + window.innerHeight;
  }
  if (browser.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";
	//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.visibility = "hidden";
	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;
  // 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;


  // Find the width of a menu item.

  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0){
    itemWidth = itemList[0].offsetWidth;

     }
  else
    return;


  // 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;
}

function getMenuHeight(menu) {

var itemHeight =0;
var itemList = menu.getElementsByTagName("A");
if(itemList.length!= 0)
{
	for(i = 0; i<= itemList.length - 1; i++)
	{
		var itemHeightArr = itemList[i].style.height.split("px");
		middHeight = parseInt(itemHeightArr[0]);
		itemHeight = itemHeight + middHeight;

	} 
}	  
  return  itemHeight;
}

//var isOpenOr = false;
//var isOpenBl = true;
var imgArray = new Array();
imgArray["group1_BL"] = true;
imgArray["group2_OR"] = false;
imgArray["group3_OR"] = false;
imgArray["group4_OR"] = false; 
imgArray["group5_OR"] = true;
imgArray["group6_OR"] = true;
imgArray["group7_OR"] = false;
imgArray["group8_OR"] = false;
imgArray["group9_OR"] = false;
imgArray["group10_BL"] = true;
imgArray["group11_OR"] = false;
imgArray["group12_OR"] = false;
imgArray["group13_OR"] = false;

  function groupBehaviorOr2(imgObj,groupId){
	if(imgArray[imgObj.id])
	{	
		imgObj.src = 'Images/HomePage/HP_Open_Or.gif';
		document.getElementById(groupId).style.visibility = "hidden";
		imgArray[imgObj.id] = false;
	}	
	else
	{	

		imgObj.src = 'Images/HomePage/HP_Close_Or.gif';
		document.getElementById(groupId).style.visibility = "visible";
		imgArray[imgObj.id] = true;	
	}
}

function groupBehaviorOr(imgObj,groupId){

	if(imgArray[imgObj.id])
	{	
		imgObj.src = 'Images/HomePage/HP_Open_Or.gif';
		document.getElementById(groupId).style.display = "none";
		imgArray[imgObj.id] = false;
	}	
	else
	{	

		imgObj.src = 'Images/HomePage/HP_Close_Or.gif';
		document.getElementById(groupId).style.display = "block";
		imgArray[imgObj.id] = true;	
	}
}

 function groupBehaviorFor3Level(imgObj,groupId){
  	if(document.getElementById(groupId).style.display == "block")
	{
	groupBehaviorForHP(imgObj,groupId);
	}
   }
  function groupBehaviorForHP(imgObj,groupId){
  
	if(document.getElementById(groupId).style.display == "block")
	{	
	
		//imgObj.src = 'Images/HomePage/HP_Open_Or.gif';
		document.getElementById(groupId).style.display = "none";
		imgArray[imgObj.id] = false;
	}	
	else
	{	

		//imgObj.src = 'Images/HomePage/HP_Close_Or.gif';
		document.getElementById(groupId).style.display = "block";
		imgArray[imgObj.id] = true;	
	}
}

function groupBehaviorBl(imgObj,groupId){
var idSubstr = imgObj.id.split("_");
	idSubstr = idSubstr[1];

	if(imgArray[imgObj.id])
	{
		if (idSubstr == 'BL')
			imgObj.src = 'Images/HomePage/HP_Open_Bl.gif';
		else
			imgObj.src = 'Images/HomePage/HP_Open_Or.gif';	
		document.getElementById(groupId).style.display = "none"
		imgArray[imgObj.id] = false;
	}	
	else
	{
	if (idSubstr == 'BL')
			imgObj.src = 'Images/HomePage/HP_Close_Bl.gif';
		else 
			imgObj.src = 'Images/HomePage/HP_Close_Or.gif';
		
		document.getElementById(groupId).style.display = "block";
		imgArray[imgObj.id] = true;	
	}
}


function groupBehaviorBl2(imgObj,groupId){
var idSubstr = imgObj.id.split("_");
	idSubstr = idSubstr[1];

	if(imgArray[imgObj.id])
	{
if (idSubstr == 'BL')
			imgObj.src = 'Images/HomePage/HP_Open_Bl.gif';
		else
			imgObj.src = 'Images/HomePage/HP_Open_Or.gif';	
		
		document.getElementById(groupId).style.visibility = "hidden";
		imgArray[imgObj.id] = false;
	}	
	else
	{
		if (idSubstr == 'BL')
			imgObj.src = 'Images/HomePage/HP_Close_Bl.gif';
		else 
			imgObj.src = 'Images/HomePage/HP_Close_Or.gif';
		document.getElementById(groupId).style.visibility = "visible";
		imgArray[imgObj.id] = true;	
	}
}

