if (document.images) {	
    
    	var homeButton1 = new Image();
		homeButton1.src = "images/homeButton.jpg";
		var homeButton2 = new Image();
		homeButton2.src = "images/homeButtonOn.jpg";
		
    	var islandLifeButton1 = new Image();
		islandLifeButton1.src = "images/islandLifeButton.jpg";
		var islandLifeButton2 = new Image();
		islandLifeButton2.src = "images/islandLifeButtonOn.jpg";
		
		var seattleButton1 = new Image();
		seattleButton1.src = "images/seattleButton.jpg";
		var seattleButton2 = new Image();
		seattleButton2.src = "images/seattleButtonOn.jpg";
		
		var homeSitesButton1 = new Image();
		homeSitesButton1.src = "images/homeSitesButton.jpg";
		var homeSitesButton2 = new Image();
		homeSitesButton2.src = "images/homeSitesButtonOn.jpg";
		
		var homesButton1 = new Image();
		homesButton1.src = "images/homesButton.jpg";
		var homesButton2 = new Image();
		homesButton2.src = "images/homesButtonOn.jpg";
		
		var madronaShoreButton1 = new Image();
		madronaShoreButton1.src = "images/madronaShoreButton.jpg";
		var madronaShoreButton2 = new Image();
		madronaShoreButton2.src = "images/madronaShoreButtonOn.jpg";
		
		var mapButton1 = new Image();
		mapButton1.src = "images/mapButton.jpg";
		var mapButton2 = new Image();
		mapButton2.src = "images/mapButtonOn.jpg";
		
		var contactUsButton1 = new Image();
		contactUsButton1.src = "images/contactUsButton.jpg";
		var contactUsButton2 = new Image();
		contactUsButton2.src = "images/contactUsButtonOn.jpg";
		
		var leftArrowButton1 = new Image();
		leftArrowButton1.src = "images/leftArrowButton.jpg";
		var leftArrowButton2 = new Image();
		leftArrowButton2.src = "images/leftArrowButtonOn.jpg";
		
		var rightArrowButton1 = new Image();
		rightArrowButton1.src = "images/rightArrowButton.jpg";
		var rightArrowButton2 = new Image();
		rightArrowButton2.src = "images/rightArrowButtonOn.jpg";
		
    }

    function Off(imgName) {
        if (document.images)
        document[imgName].src = eval(imgName + "1.src");
    }

    function On(imgName) {
        if (document.images)
        document[imgName].src = eval(imgName + "2.src");
    }