if (document.images) {	

   	cmu_on = new Image();					cmu_on.src="images/navigation/cmu2.gif";  
	cmu_off= new Image(); 					cmu_off.src="images/navigation/cmu1.gif";
	
   	cfa_on = new Image();					cfa_on.src="images/navigation/cfa2.gif";  
	cfa_off= new Image(); 					cfa_off.src="images/navigation/cfa1.gif";

   	som_on = new Image();					som_on.src="images/navigation/som2.gif";  
	som_off= new Image(); 					som_off.src="images/navigation/som1.gif";
	
   	live_webcast_on = new Image();			live_webcast_on.src="images/navigation/live_webcast2.gif";  
	live_webcast_off= new Image(); 			live_webcast_off.src="images/navigation/live_webcast1.gif";

   	media_library_on = new Image();			media_library_on.src="images/navigation/media_library2.gif";  
	media_library_off= new Image(); 		media_library_off.src="images/navigation/media_library1.gif";
	
   	artist_portfolio_on = new Image();		artist_portfolio_on.src="images/navigation/artist_portfolio2.gif";  
	artist_portfolio_off= new Image(); 		artist_portfolio_off.src="images/navigation/artist_portfolio1.gif";
	
   	mailing_list_on = new Image();			mailing_list_on.src="images/navigation/mailing_list2.gif";  
	mailing_list_off= new Image(); 			mailing_list_off.src="images/navigation/mailing_list1.gif";
	
   	subscriptions_on = new Image();			subscriptions_on.src="images/navigation/subscriptions2.gif";  
	subscriptions_off= new Image(); 		subscriptions_off.src="images/navigation/subscriptions1.gif";
	
   	login_on = new Image();					login_on.src="images/navigation/login2.gif";  
	login_off= new Image(); 				login_off.src="images/navigation/login1.gif";
		
   }