var NN3 = false;

image1= new Image();
image1.src = "images/head_nav_werkstatt01.gif";
image1on = new Image();
image1on.src = "images/head_nav_werkstatt02.gif";

image2= new Image();
image2.src = "images/head_nav_montage01.gif";
image2on = new Image();
image2on.src = "images/head_nav_montage02.gif";

image3= new Image();
image3.src = "images/head_nav_industrie01.gif";
image3on = new Image();
image3on.src = "images/head_nav_industrie02.gif";

image4= new Image();
image4.src = "images/nav_sprache01.gif";
image4on = new Image();
image4on.src = "images/nav_sprache02.gif";

image5= new Image();
image5.src = "images/head_nav_home01.gif";
image5on = new Image();
image5on.src = "images/head_nav_home02.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);
}


/************************************************************************************
Mouseover Funktionen für Submenübutton
************************************************************************************/