var ns4 = (document.layers);
var ie = (document.all);
var ns6 = (!document.all && document.getElementById);


if (document.images) {
  
  // menu
  image1on = new Image();
  image1on.src = "/images/menu/max-on.gif";
  
  image2on = new Image();
  image2on.src = "/images/menu/recover-on.gif";

  image3on = new Image();
  image3on.src = "/images/menu/yourTime-on.gif";

  image4on = new Image();
  image4on.src = "/images/menu/yourPatience-on.gif";

  image5on = new Image();
  image5on.src = "/images/menu/asGood-on.gif"; 
    
  
  image1off = new Image();
  image1off.src = "/images/menu/max-off.gif";

  image2off = new Image();
  image2off.src = "/images/menu/recover-off.gif";

  image3off = new Image();
  image3off.src = "/images/menu/yourTime-off.gif";

  image4off = new Image();
  image4off.src = "/images/menu/yourPatience-off.gif";

  image5off = new Image();
  image5off.src = "/images/menu/asGood-off.gif";

}

function turnOn(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "on.src");
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "off.src");
  }
}