if (document.images) { 
  about = new PreloadImage('images/topnav/00_about.gif');
  about_on = new PreloadImage('images/topnav/00_about_on.gif');
  portfolio = new PreloadImage('images/topnav/00_portfolio.gif');
  portfolio_on = new PreloadImage('images/topnav/00_portfolio_on.gif');
  press = new PreloadImage('images/topnav/00_press.gif');
  press_on = new PreloadImage('images/topnav/00_press_on.gif');
  careers = new PreloadImage('images/topnav/00_careers.gif');
  careers_on = new PreloadImage('images/topnav/00_careers_on.gif');
  contact = new PreloadImage('images/topnav/00_contact.gif');
  contact_on = new PreloadImage('images/topnav/00_contact_on.gif');  
  
  overview = new PreloadImage('images/topnav/01_overview.gif');
  overview_on = new PreloadImage('images/topnav/01_overview_on.gif');
  services = new PreloadImage('images/topnav/01_services.gif');
  services_on = new PreloadImage('images/topnav/01_services_on.gif');
  culture = new PreloadImage('images/topnav/01_culture.gif');
  culture_on = new PreloadImage('images/topnav/01_culture_on.gif');
  
  entertain = new PreloadImage('images/topnav/02_entertain.gif');
  entertain_on = new PreloadImage('images/topnav/02_entertain_on.gif');
  hospitality = new PreloadImage('images/topnav/02_hospitality.gif');
  hospitality_on = new PreloadImage('images/topnav/02_hospitality_on.gif');
  corporate = new PreloadImage('images/topnav/02_corporate.gif');
  corporate_on = new PreloadImage('images/topnav/02_corporate_on.gif');      
  health = new PreloadImage('images/topnav/02_health.gif');
  health_on = new PreloadImage('images/topnav/02_health_on.gif');   
  civic = new PreloadImage('images/topnav/02_civic.gif');
  civic_on = new PreloadImage('images/topnav/02_civic_on.gif');   
  assembly = new PreloadImage('images/topnav/02_assembly.gif');
  assembly_on = new PreloadImage('images/topnav/02_assembly_on.gif');    
  education = new PreloadImage('images/topnav/02_education.gif');
  education_on = new PreloadImage('images/topnav/02_education_on.gif');  
  
  news = new PreloadImage('images/topnav/03_news.gif');
  news_on = new PreloadImage('images/topnav/03_news_on.gif');
  awards = new PreloadImage('images/topnav/03_awards.gif');
  awards_on = new PreloadImage('images/topnav/03_awards_on.gif');  
  
  what = new PreloadImage('images/topnav/04_what.gif');
  what_on = new PreloadImage('images/topnav/04_what_on.gif');
  apply = new PreloadImage('images/topnav/04_apply.gif');
  apply_on = new PreloadImage('images/topnav/04_apply_on.gif'); 
  faq = new PreloadImage('images/topnav/04_faq.gif');
  faq_on = new PreloadImage('images/topnav/04_faq_on.gif'); 
  search = new PreloadImage('images/topnav/04_search.gif');
  search_on = new PreloadImage('images/topnav/04_search_on.gif');           

  logo = new PreloadImage('images/common/logo.gif');
  logo_on = new PreloadImage('images/common/logo_on.gif');   
  
  contactMorris = new PreloadImage('images/topnav/05_contact.gif');
  contactMorris_on = new PreloadImage('images/topnav/05_contact_on.gif');           

  }