var image_directory = "images/";
var newBrowser = false;

if ( navigator.userAgent.indexOf ("Mozilla/5") != -1 ||
	navigator.userAgent.indexOf ("Mozilla/4") != -1 || 
     navigator.userAgent.indexOf ("Mozilla/3") != -1)
        {
        newBrowser = true;
        image1 = new Image(); image1.src = image_directory + "dot_red.gif";
	
        reset();
                };

function reset()
        {
		link1activated = "no";
        link2activated = "no";
        link3activated = "no";
        link4activated = "no";
		link5activated = "no";

        };

function activate(name,image)
        {
        reset();
        document.images['link1'].src = image_directory + "dot_yellow.gif";
		document.images['link2'].src = image_directory + "dot_yellow.gif";
		document.images['link3'].src = image_directory + "dot_yellow.gif";
		document.images['link4'].src = image_directory + "dot_yellow.gif";
		document.images['link5'].src = image_directory + "dot_yellow.gif";
		
        document.images[name].src = image_directory + image;
        eval(name+"activated = 'on'");
        };

function active (imagenumber,image,footer)
        {
        if (newBrowser)
                {
                if (eval(imagenumber+"activated == 'no'"))
                        {
                        document.images[imagenumber].src = image_directory + image;
                        window.status = footer;
                        };
                };
        };