if ( j == index ) {
            if(p.next != 0) {

                //relocate last elem to overwrite the one we deleted
                if( j != nrElem - 2 ) {
                    dlist[p.prev].next = p.next;
                    dlist[p.next].prev = p.prev;

                    dlist[dlist[nrElem - 1].prev].next = j;
                    dlist[j] = dlist[nrElem-1];
                }
                else {
                    dlist[dlist[dlist[nrElem-1].prev].prev]
                }

            }
            else {
                dlist[p.prev].next = 0;
                nrElem--;
            }

        }