if (document.images) {
	  homeOn = new Image;
	  homeOff = new Image;
	  aboutOn = new Image;
	  aboutOff = new Image;
	  speakOn = new Image;
	  speakOff = new Image;
	  coachOn = new Image;
	  coachOff = new Image;
	  meetOn = new Image;
	  meetOff = new Image;
	  
	  homeOn.src = "images/COTR_nav1b.jpg";
	  homeOff.src = "images/COTR_nav1a.jpg";
	  aboutOn.src = "images/COTR_nav2b.jpg";
	  aboutOff.src = "images/COTR_nav2a.jpg";
	  speakOn.src = "images/COTR_nav3b.jpg";
	  speakOff.src = "images/COTR_nav3a.jpg";
	  coachOn.src = "images/COTR_nav4b.jpg";
	  coachOff.src = "images/COTR_nav4a.jpg";
	  meetOn.src = "images/COTR_nav5b.jpg";
	  meetOff.src = "images/COTR_nav5a.jpg";
	  
	} else {
	  homeOn = "";
	  homeOff = "";
	  document.home = "";
	  	  
	  aboutOn = "";
	  aboutOff = "";
	  document.about = "";
	  
	  speakOn = "";
	  speakOff = "";
	  document.speak = "";
	  	  
	  coachOn = "";
	  coachOff = "";
	  document.coach = "";
	  	  	  
	  meetOn = "";
	  meetOff = "";
	  document.meet = "";
	  
	}