if (navigator.appVersion.indexOf("2.") != -1){
        check = false;
        }
if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
        check = false;
        }
else {
        check = true;
        }

if (check == true){
        
        
         
        image1= new Image();
        image1.src = "img/menu01.gif";
        image1on = new Image();
        image1on.src = "img/menu01a.gif";
        
        image2= new Image();
        image2.src = "img/menu02.gif";
        image2on = new Image();
        image2on.src = "img/menu02a.gif";
        
        image3= new Image();
        image3.src = "img/menu03.gif";
        image3on = new Image();
        image3on.src = "img/menu03a.gif";

        image4= new Image();
        image4.src = "img/menu04.gif";
        image4on = new Image();
        image4on.src = "img/menu04a.gif";
 
         image9= new Image();
        image9.src = "img/menu05.gif";
        image9on = new Image();
        image9on.src = "img/menu05a.gif"; 

image5= new Image();
        image5.src = "img/english.gif";
        image5on = new Image();
        image5on.src = "img/english2.gif"; 
        
                image6= new Image();
        image6.src = "img/deutsch.gif";
        image6on = new Image();
        image6on.src = "img/deutsch2.gif";
                        
}

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

function on(name)  {
        if (check == true){
                imageon(name);
        }
}
function off(name)  {
        if (check == true){
                imageoff(name);
        }
}