function preloadButtons() {

    menuAboutUs = new Image(); 
    menuAboutUs.src = "../images/menu/about-us.gif";
	
	menuhcResearch = new Image(); 
    menuhcResearch.src = "../images/menu/healthcare-research.gif";	
	
	menuEnergyResearch = new Image(); 
    menuEnergyResearch.src = "../images/menu/energy-research.gif";

    menuOurResearch = new Image(); 
    menuOurResearch.src = "../images/menu/our-research.gif";

    menuSbProfiles = new Image(); 
    menuSbProfiles.src = "../images/menu/sb-profiles.gif";

    menuNewsEvents = new Image(); 
    menuNewsEvents.src = "../images/menu/news-events.gif";
	
	menuMedia = new Image(); 
    menuMedia.src = "../images/menu/media.gif";

    menuStateActivity = new Image(); 
    menuStateActivity.src = "../images/menu/state-activity.gif";

    menuResources = new Image(); 
    menuResources.src = "../images/menu/resources.gif";
    
    menuHCfaq = new Image(); 
    menuHCfaq.src = "../images/menu/hc-faq.gif";
	
	menuEventCalendar = new Image(); 
    menuEventCalendar.src = "../images/menu/event-calendar.gif";

    // on
    
    menuAboutUsOn = new Image(); 
    menuAboutUsOn.src = "../images/menu/about-us-on.gif";
	
	menuhcResearchOn = new Image(); 
    menuhcResearchOn.src = "../images/menu/healthcare-research-on.gif";
	
	
	menuEnergyResearchOn = new Image(); 
    menuEnergyResearchOn.src = "../images/menu/energy-research-on.gif";


    menuOurResearchOn = new Image(); 
    menuOurResearchOn.src = "../images/menu/our-research-on.gif";

    menuSbProfilesOn = new Image(); 
    menuSbProfilesOn.src = "../images/menu/sb-profiles-on.gif";

    menuNewsEventsOn = new Image(); 
    menuNewsEventsOn.src = "../images/menu/news-events-on.gif";
	
	menuMediaOn = new Image(); 
    menuMediaOn.src = "../images/menu/media-on.gif";

    menuStateActivityOn = new Image(); 
    menuStateActivityOn.src = "../images/menu/state-activity-on.gif";

    menuResourcesOn = new Image(); 
    menuResourcesOn.src = "../images/menu/resources-on.gif";    
    
    menuHCfaqOn = new Image(); 
    menuHCfaqOn.src = "../images/menu/hc-faq-on.gif";
	
	menuEventCalendarOn = new Image(); 
    menuEventCalendarOn.src = "../images/menu/event-calendar-on.gif";

    /* subs */

    menuOurTeam = new Image(); 
    menuOurTeam.src = "../images/menu/our-team.gif";    

    menuContactUs = new Image(); 
    menuContactUs.src = "../images/menu/contact-us.gif";    
	
	menuCreditResearch = new Image(); 
    menuCreditResearch.src = "../images/menu/tax-credit-study.gif";  

    menuEconomicResearch = new Image(); 
    menuEconomicResearch.src = "../images/menu/economic-research.gif";    

    menuOpinionResearch = new Image(); 
    menuOpinionResearch.src = "../images/menu/opinion-research.gif";    

    menuStatistics = new Image(); 
    menuStatistics.src = "../images/menu/statistics.gif";  
	
	menuNationalResearch = new Image(); 
    menuNationalResearch.src = "../images/menu/national.gif";  
	
	menuStateResearch = new Image(); 
    menuStateResearch.src = "../images/menu/states.gif"; 

    menuInTheNews = new Image(); 
    menuInTheNews.src = "../images/menu/in-the-news.gif";   
	
	menuMediaKit = new Image(); 
    menuMediaKit.src = "../images/menu/media-kit.gif";    

    menuRelatedNews = new Image(); 
    menuRelatedNews.src = "../images/menu/related-news.gif";    

    menuPressRoom = new Image(); 
    menuPressRoom.src = "../images/menu/press-room.gif";    

    menuEvents = new Image(); 
    menuEvents.src = "../images/menu/events.gif";  

    menuCalifornia = new Image(); 
    menuCalifornia.src = "../images/menu/california.gif";    

    menuNewYork = new Image(); 
    menuNewYork.src = "../images/menu/new-york.gif";    

    // on

    menuOurTeamOn = new Image(); 
    menuOurTeamOn.src = "../images/menu/our-team-on.gif";    

    menuContactUsOn = new Image(); 
    menuContactUsOn.src = "../images/menu/contact-us-on.gif";   
	
	menuCreditResearch = new Image(); 
    menuCreditResearch.src = "../images/menu/tax-credit-study-on.gif";  

    menuEconomicResearchOn = new Image(); 
    menuEconomicResearchOn.src = "../images/menu/economic-research-on.gif";    
    
    menuOpinionResearchOn = new Image(); 
    menuOpinionResearchOn.src = "../images/menu/opinion-research-on.gif";    

    menuStatisticsOn = new Image(); 
    menuStatisticsOn.src = "../images/menu/statistics-on.gif";      
	
	menuNationalResearchOn = new Image(); 
    menuNationalResearchOn.src = "../images/menu/national-on.gif";  
	
	menuStateResearchOn = new Image(); 
    menuStateResearchOn.src = "../images/menu/states-on.gif"; 

    menuInTheNewsOn = new Image(); 
    menuInTheNewsOn.src = "../images/menu/in-the-news-on.gif";    

    menuMediaKitOn = new Image(); 
    menuMediaKitOn.src = "../images/menu/media-kit-on.gif";    

    menuRelatedNewsOn = new Image(); 
    menuRelatedNewsOn.src = "../images/menu/related-news-on.gif";    

    menuPressRoomOn = new Image(); 
    menuPressRoomOn.src = "../images/menu/press-room-on.gif";    

    menuEventsOn = new Image(); 
    menuEventsOn.src = "../images/menu/events-on.gif";    

    menuCaliforniaOn = new Image(); 
    menuCaliforniaOn.src = "../images/menu/california-on.gif";    

    menuNewYorkOn = new Image(); 
    menuNewYorkOn.src = "../images/menu/new-york-on.gif";    


menuEnergyOpinionResearchOn= new Image(); 
menuEnergyOpinionResearchOn.src = "../images/menu/energy-opinion-research-on.gif";    

menuEnergyOpinionResearch= new Image(); 
menuEnergyOpinionResearch.src = "../images/menu/energy-opinion-research.gif";    

}