var NN3 = false;
image1= new Image();
image1.src = "images/home1.gif";
image1on = new Image();
image1on.src = "images/home2.gif";
image2= new Image();
image2.src = "images/mystery1.gif";
image2on = new Image();
image2on.src = "images/mystery2.gif";
image3= new Image();
image3.src = "images/contemporary1.gif";
image3on = new Image();
image3on.src = "images/contemporary2.gif";
image4= new Image();
image4.src = "images/historic1.gif";
image4on = new Image();
image4on.src = "images/historic2.gif";
image5= new Image();
image5.src = "images/youngpeople1.gif";
image5on = new Image();
image5on.src = "images/youngpeople2.gif";
image6= new Image();
image6.src = "images/changingscene1.gif";
image6on = new Image();
image6on.src = "images/changingscene2.gif";
image7= new Image();
image7.src = "images/download1.gif";
image7on = new Image();
image7on.src = "images/download2.gif";
image8= new Image();
image8.src = "images/links1.gif";
image8on = new Image();
image8on.src = "images/links2.gif";
image9= new Image();
image9.src = "images/orderplays1.gif";
image9on = new Image();
image9on.src = "images/orderplays2.gif";
image10= new Image();
image10.src = "images/verse_1.gif";
image10on = new Image();
image10on.src = "images/verse_2.gif";
image11= new Image();
image11.src = "images/reviews1.gif";
image11on = new Image();
image11on.src = "images/reviews2.gif";

function on3(name)   {
        document[name].src = eval(name + "on.src");
}
function off3(name)  {
        document[name].src = eval(name + ".src");
}
NN3 = true;

function on(name)  {
        if (NN3) on3(name);
}
function off(name)  {
        if (NN3) off3(name);
}