if (document.images) {
	  homeOn = new Image;
	  homeOff = new Image;
	  aboutOn = new Image;
	  aboutOff = new Image;
	  speakingOn = new Image;
	  speakingOff = new Image;
	  meetingOn = new Image;
	  meetingOff = new Image;
	  bookOn = new Image;
	  bookOff = new Image;
	  coachingOn = new Image;
	  coachingOff = new Image;
	  contOn = new Image;
	  contOff = new Image;
	  prOn = new Image;
	  prOff = new Image;
	  trainingOn = new Image;
	  trainingOff = new Image;
	  
	  homeOn.src = "home_on.jpg";
	  homeOff.src = "home_off.jpg";
	  aboutOn.src = "about_on.jpg";
	  aboutOff.src = "about_off.jpg";
	  speakingOn.src = "speaking_on.jpg";
	  speakingOff.src = "speaking_off.jpg";
	  meetingOn.src = "meeting_on.jpg";
	  meetingOff.src = "meeting_off.jpg";
	  bookOn.src = "book_on.jpg";
	  bookOff.src = "book_off.jpg";
	  coachingOn.src = "coaching_on.jpg";
	  coachingOff.src = "coaching_off.jpg";
	  contOn.src = "contact_on.jpg";
	  contOff.src = "contact_off.jpg";
	  prOn.src = "products_on.jpg";
	  prOff.src = "products_off.jpg";
	  trainingOn.src = "training_on.jpg";
	  trainingOff.src = "training_off.jpg";
	  
	} else {
	  homeOn = "";
	  homeOff = "";
	  document.home = "";
	  
	  aboutOn = "";
	  aboutOff = "";
	  document.about = "";
	  
	  speakingOn = "";
	  speakingOff = "";
	  document.speaking = "";
	  
	  meetingOn = "";
	  meetingOff = "";
	  document.meeting = "";
	  
	  bookOn = "";
	  bookOff = "";
	  document.book = "";
	  
	  coachingOn = "";
	  coachingOff = "";
	  document.coaching = "";
	  
	  contOn = "";
	  contOff = "";
	  document.cont = "";
	  
	  prOn = "";
	  prOff = "";
	  document.pr = "";
	  
	  trainingOn = "";
	  trainingOff = "";
	  document.training = "";
	}