// JavaScript Document

// event

function attachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.addEventListener != "undefined")
  {
    target.addEventListener(eventType, functionRef, capture);
  }
  else if (typeof target.attachEvent != "undefined")
  {
    var functionString = eventType + functionRef;
    target["e" + functionString] = functionRef;
    
    target[functionString] = function(event)
    {
      if(typeof event == "undefined"){event = window.event}; target["e" + functionString](event);
    };
    
    target.attachEvent("on" + eventType, target[functionString]);
  }
  else
  {
    eventType = "on" + eventType;

    if (typeof target[eventType] == "function")
    {
      var oldListener = target[eventType];

      target[eventType] = function()
      {
        oldListener();

        return functionRef();
      }
    }
    else
    {
      target[eventType] = functionRef;
    }
  }

  return true;
}

function detachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.removeEventListener != "undefined")
  {
    target.removeEventListener(eventType, functionRef, capture)
  }
  else if (typeof target.detachEvent != "undefined")
  {
    var functionString = eventType + functionRef;

    target.detachEvent("on" + eventType, target[functionString]);

    target["e" + functionString] = null;
    target[functionString] = null;
  }
  else
  {
    target["on" + eventType] = null;
  }

  return true;
}

function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}




//
function setNav () {
	navPagePrefix = "page";
	navIdPrefix = "site_nav";
	navCurrentClass = "current";
	navIdDelim = "_";
	
	bodyElm = document.getElementsByTagName("body")[0];	
	if (bodyElm) {
		// setNavOverride is a globel var to override the setting 
		// of the tabs by body id. Valid settings are:
		// tabgetaway, tabexchange, tabtravel, taboffers, tabplanning, tabdirectory
		if(typeof(setNavOverride) == "undefined")
		{
			bodyId = bodyElm.getAttribute('id');
		} 
		else
		{
			bodyId = navPagePrefix + navIdDelim + setNavOverride;
		}
		
		bodyName = bodyId.substr(navPagePrefix.length + 1); // 1 = delimiter

		navElm = document.getElementById(navIdPrefix + navIdDelim + bodyName);

				
		while (navElm) {
			
			if (navElm.getAttribute('id') && navElm.getAttribute('id').substr(0, navIdPrefix.length + 1) == (navIdPrefix + navIdDelim)) {
				navElm.setAttribute ("class", navCurrentClass);
				
				
				
				navElm.className = navCurrentClass;							
							
			
				
			}
			
			navElm =  navElm.parentNode.parentNode;
			
			
		
		}

		
	}
	
}

addLoadListener (setNav);

function siteToolMenu()
{
	// objects from iw.js:
	// 
	// queryStringObject 
	//
	var currentClass = "current";
	var contentPageName;
	var actionPageName;
	var sm;
	
	if(contentPageName = queryStringObject.s)
	{
		
		
		if(contentPageName.indexOf("benefits") > -1 || 
		   contentPageName.indexOf("golf") > -1 || 
		   contentPageName.indexOf("gold") > -1)
		{
			
			if(sm = document.getElementById("site_nav_benefits"))
			{
				sm.className = currentClass;
			}
		}	
		
		if(contentPageName.indexOf("alerts") > -1 || 
			contentPageName.indexOf("advisories") > -1)
		{
			
			if(sm = document.getElementById("site_nav_alerts"))
			{
				sm.className = currentClass;
			}
		}
		
	}	
	if(actionPageName = queryStringObject.a)
	{
		if(actionPageName.indexOf("285") > -1)
		{
			if(sm = document.getElementById("site_nav_history"))
			{
				sm.className = currentClass;			
			}
		}
		if(actionPageName.indexOf("25") > -1 || 
			actionPageName.indexOf("300") > -1)
		{
			if(sm = document.getElementById("site_nav_my_account"))
			{
				sm.className = currentClass;			
			}
		}
		
	}
	
	
		
}

addLoadListener (siteToolMenu);