function show(id) {
var d = document.getElementById(id);
        for (var i = 1; i<=10; i++) {
                if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
        }
if (d) {d.style.display='block';}
}

var NN3 = false;
image1 = new Image();
image1.src = "/images/closed.png";
image1on = new Image();
image1on.src = "/images/open.png";

image2 = new Image();
image2.src = "/images/closed.png";
image2on = new Image();
image2on.src = "/images/open.png";

image3= new Image();
image3.src = "/images/closed.png";
image3on = new Image();
image3on.src = "/images/open.png";

image4= new Image();
image4.src = "/images/closed.png";
image4on = new Image();
image4on.src = "/images/open.png";

image5= new Image();
image5.src = "/images/closed.png";
image5on = new Image();
image5on.src = "/images/open.png";

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

function clearimg(){
        document.image1.src = image1.src
        document.image2.src = image2.src
        document.image3.src = image3.src
        document.image4.src = image4.src
        document.image5.src = image5.src
}

NN3 = true;

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