window.onload = function(){

var current=$$('[keycat=' + categorie + ']')[0];
//var currentproduit=$$('[keyproduit=' + produit + ']')[0];
current.className = 'active';
//currentproduit.className = 'active';

    while (current.tagName == 'UL' || current.tagName == 'LI'){
    
    //current.firstChild.lastChild.style.display = 'block';
    current.lastChild.style.display = 'block';
    current.style.display = 'block';
    current = current.parentNode;
    current.childNodes;
    }
   
}