lista multipli

function multipli(l,l1)
{
    var prev,cur,c1;
    if(l==null){return;}
    for(prev=l.testa;prev!=null;prev=prev.succ)
    { c1=0;
        for(cur=l.testa;cur!=null && c1!=1;cur=cur.succ)
        {
            if(cur.x%prev.x===0){
            c1++;l1={x:prev.x,succ:l1};}
        }
    } return l1;
}