Un menu espandibile con Javascript e CSS

[Xinod]

onContent(function(){
if(document.getElementsByTagName && document.getElementById){
    document.getElementById("menu").className="jsenable";
    BuildList();
    }
});

e rimuovi

 
window.onload=function(){
if(document.getElementsByTagName && document.getElementById){
    document.getElementById("menu").className="jsenable";
    BuildList();
    }
}

ciao