if( !imageRoot || imageRoot == null ) {
		var imageRoot = "" ;
	}

// Netscape 3.0 compatibility test (for javascript image swapping)
	compat = false;
	if( parseInt( navigator.appVersion ) >= 3 ) {
		compat = true ; 
	}

// cache images for quick swapping
//	if( compat ) {

//		l_experience = new Image();
//		l_experience.src = imageRoot + "/nav/l_experience.gif";
//		lo_experience = new Image();
//		lo_experience.src = imageRoot + "/nav/lo_experience.gif";
//		
//		l_professionals = new Image();
//		l_professionals.src = imageRoot + "/nav/l_professionals.gif";
//		lo_professionals = new Image();
//		lo_professionals.src = imageRoot + "/nav/lo_professionals.gif";
//		
//		l_services = new Image();
//		l_services.src = imageRoot + "/nav/l_services.gif";
//		lo_services = new Image();
//		lo_services.src = imageRoot + "/nav/lo_services.gif";
//		
//		l_industries = new Image();
//		l_industries.src = imageRoot + "/nav/l_industries.gif";
//		lo_industries = new Image();
//		lo_industries.src = imageRoot + "/nav/lo_industries.gif";
//		
//		l_locations = new Image();
//		l_locations.src = imageRoot + "/nav/l_locations.gif";
//		lo_locations = new Image();
//		lo_locations.src = imageRoot + "/nav/lo_locations.gif";
//						
//		l_about = new Image();
//		l_about.src = imageRoot + "/nav/l_about.gif";
//		lo_about = new Image();
//		lo_about.src = imageRoot + "/nav/lo_about.gif";
//		
//		l_news = new Image();
//		l_news.src = imageRoot + "/nav/l_news.gif";
//		lo_news = new Image();
//		lo_news.src = imageRoot + "/nav/lo_news.gif";
//		
//		l_events = new Image();
//		l_events.src = imageRoot + "/nav/l_events.gif";
//		lo_events = new Image();
//		lo_events.src = imageRoot + "/nav/lo_events.gif";
//		
//		l_pubs = new Image();
//		l_pubs.src = imageRoot + "/nav/l_pubs.gif";
//		lo_pubs = new Image();
//		lo_pubs.src = imageRoot + "/nav/lo_pubs.gif";
//		
//		l_careers = new Image();
//		l_careers.src = imageRoot + "/nav/l_careers.gif";
//		lo_careers = new Image();
//		lo_careers.src = imageRoot + "/nav/lo_careers.gif";
//		
//		l_alumni = new Image();
//		l_alumni.src = imageRoot + "/nav/l_alumni.gif";
//		lo_alumni = new Image();
//		lo_alumni.src = imageRoot + "/nav/lo_alumni.gif";
//		
//		l_language = new Image();
//		l_language.src = imageRoot + "/l_language.gif";
//		lo_language = new Image();
//		lo_language.src = imageRoot + "/lo_language.gif";
//		
//		l_login = new Image();
//		l_login.src = imageRoot + "/l_login.gif";
//		lo_login = new Image();
//		lo_login.src = imageRoot + "/lo_login.gif";
//		
//		l_logout = new Image();
//		l_logout.src = imageRoot + "/l_logout.gif";
//		lo_logout = new Image();
//		lo_logout.src = imageRoot + "/lo_logout.gif";
//		
//		l_sitesearch = new Image();
//		l_sitesearch.src = imageRoot + "/l_sitesearch.gif";
//		lo_sitesearch = new Image();
//		lo_sitesearch.src = imageRoot + "/lo_sitesearch.gif";
						
//	}
	

// swap images using the cached images

    function change(x, y) {
	    if( compat ) {
		    document.images[x].src=eval(y+'.src'); 
		}
	}





var strLastMenu = ""


function showMenuZ(strMenu) {
    //alert("Maureen wants to make out with Nick");
	//if (blnIsLoaded) {

		var objLayer

        if(strLastMenu && strLastMenu != "")
		    hideMenu(strLastMenu)

		if (document.all) 
		{
			objLayer = document.all[strMenu]
		}
		else if (document.getElementById) 
		{
			objLayer = document.getElementById(strMenu)
		}
		else if (document.layers) 
		{
			objLayer = getLayer(strMenu)
		}
		
		if(objLayer != null)
        {
        // show
            if (document.all) 
            {
                //objLayer.style.visibility = "visible";
                objLayer.style.display = "block";
            }
            else if (document.getElementById) 
            {
                objLayer.style.display = "block"
            }
        }
        else if (document.layers) 
        {
          if (parseFloat(navigator.appVersion) >= 4.08) 
          {
            // move to position relative to image
            objImage = getImage("l_" + strMenu.substring(3, strMenu.length))
            intTop = getImagePageTop(objImage)
            intLeft = getImagePageLeft(objImage)
            objLayer.top = intTop + objImage.height
            objLayer.left = intLeft - 1
            
            // show
            objLayer.display = "block"
          }
        }
}



function hideMenu(strMenu) 
    {
	//if (blnIsLoaded) {


		var objLayer
		var isIn = false
		var i = 0
		var blnIsFromFlash = false
		
		if (strMenu == "hideFromFlash")
			blnIsFromFlash = true
	
		if (strMenu == "" || blnIsFromFlash)
			strMenu = strLastMenu
		//alert(strMenu);
    	//objLayer = document.getElementById(strMenu)
		if (document.all) 
		{
			objLayer = document.all[strMenu]
		}
		else if (document.getElementById) 
		{
			objLayer = document.getElementById(strMenu)
		}
		else if (document.layers) 
		{
			objLayer = getLayer(strMenu)
		}
	
    if(objLayer != null)
    {
		// hide
		if (document.all) 
		{
			if (!blnIsFromFlash) 
			{
				while (!isIn && i < document.all[strMenu].all.length) {
					if (window.event.toElement == document.all[strMenu].all[i])
						isIn = true
					i++
				}
				if (!isIn) {
					//document.all[strMenu].style.visibility = "hidden"
					document.all[strMenu].style.display = "none";
				}
			}
			else 
			{
				//document.all[strMenu].style.visibility = "hidden"
				document.all[strMenu].style.display = "none";
			}
		}
		else if (document.getElementById) 
		{
			//objLayer.style.visibility = "hidden"
			objLayer.style.display = "none";
		}
		else if (document.layers) 
		{
			if (parseFloat(navigator.appVersion) >= 4.08) 
			{
				//objLayer.visibility = "hide"
				objLayer.display = "none";
			}
		}
	}
}