origimage = new Image();
origimage.src = "/portals/20/map.jpg";

image1on = new Image();
image1on.src = "/portals/20/MapCentralAsia.jpg";
image1on.title = "Central Asia";
image1on.longdesc = "<ul><li>Hepatitis A</li><li>Diphtheria</li><li>Tetanus</li><li>Hepatitis B</li></ul>"

image2on = new Image();
image2on.src = "/portals/20/MapSouthAsia.jpg";
image2on.title = "South Asia";
image2on.longdesc = "<ul><li>Hepatitis A</li><li>Diphtheria</li><li>Tetanus</li><li>Hepatitis B</li><li>Malaria</li></ul>"

image3on = new Image();
image3on.src = "/portals/20/MapSouthAmerica.jpg";
image3on.title = "South America";
image3on.longdesc = "<ul><li>Hepatitis A</li><li>Diphtheria</li><li>Tetanus</li><li>Hepatitis B</li></ul>"

image4on = new Image();
image4on.src = "/portals/20/MapCentralAmerica.jpg";
image4on.title = "Central America";
image4on.longdesc = "<ul><li>Hepatitis A</li><li>Diphtheria</li><li>Tetanus</li><li>Hepatitis B</li></ul>"

image5on = new Image();
image5on.src = "/portals/20/MapNorthAmerica.jpg";
image5on.title = "North America";
image5on.longdesc = "<ul><li>unlikely that you will need any vaccinations</li></ul>"

image6on = new Image();
image6on.src = "/portals/20/MapEurope.jpg";
image6on.title = "Europe";
image6on.longdesc = "<ul><li>unlikely that you will need any vaccinations</li></ul>"

image7on = new Image();
image7on.src = "/portals/20/MapAfrica.jpg";
image7on.title = "Africa";
image7on.longdesc = "<ul><li>Diphtheria</li><li>Tetanus</li><li>Poliomyelitis</li><li>Hepatitis A</li><li>Hepatitis B</li><li>Rabies</li><li>Meningitis</li><li>Malaria</li><li>Tuberculosis</li><li>Yellow Fever</li></ul>"

image8on = new Image();
image8on.src = "/portals/20/MapAustrailia.jpg";
image8on.title = "Austrailia / New Zealand";
image8on.longdesc = "<ul><li>unlikely that you will need any vaccinations</li></ul>"



function imageon(name)   {
        document.worldmap.src = eval(name + "on.src");
        mapTitle.innerHTML = eval(name + "on.title");
        mapList.innerHTML  = eval(name + "on.longdesc"); 

}

function imageoff(name)  {
       document.worldmap.src = eval(name + ".src");
}

function on(name)  {
        {
        imageon(name);
        }
}

function off(name)  {
        {
        imageoff(name);
        }
}