homeOn = new Image();
    homeOn.src = "images/home_bar1_hover.gif";
    homeOff = new Image();
    homeOff.src = "images/home_bar1.gif";
    
    attractionsOn = new Image();
    attractionsOn.src = "images/attractions_bar2_hover.gif";
    attractionsOff = new Image();
    attractionsOff.src = "images/attractions_bar2.gif";
    
    diningOn = new Image();
    diningOn.src = "images/dining_bar3_hover.gif";
    diningOff = new Image();
    diningOff.src = "images/dining_bar3.gif";
    
    interactiveOn = new Image();
    interactiveOn.src = "images/interactive_bar4_hover.gif";
    interactiveOff = new Image();
    interactiveOff.src = "images/interactive_bar4.gif";
    
    researchOn = new Image();
    researchOn.src = "images/research_bar5_hover.gif";
    researchOff = new Image();
    researchOff.src = "images/research_bar5.gif";
    
    visitorsOn = new Image();
    visitorsOn.src = "images/visitors_bar6_hover.gif";
    visitorsOff = new Image();
    visitorsOff.src = "images/visitors_bar6.gif";
    
    friendsOn = new Image();
    friendsOn.src = "images/friends_bar7_hover.gif";
    friendsOff = new Image();
    friendsOff.src = "images/friends_bar7.gif";
    
    var current_page;
    
    function new_page(page_name)
    {
        if (document.images)
		     document[page_name].src = eval(page_name + "On.src");
        current_page = page_name;
    }
    
    function mouseover(image_name)
	{
		 if (document.images)
		     document[image_name].src = eval(image_name + "On.src");
	}

    function mouseout(image_name)
    {
        if (image_name != current_page)
        {
            if (document.images)
                document[image_name].src = eval(image_name + "Off.src");
        }
    }