void Liste::supprimeIemeElement(unsigned int x)  // my function wants to delete the Xth  element of a chained list
{
  Cellule * temp1; // My chained list is composed by "Cellule"
  temp1 = prem;   // prem is the first "Cellule" of my chained list
  unsigned int i;
  i = 1;
        while (temp1 != NULL && i <= x)
        {
            if (x == i)
            {
                if (temp1->suivant == NULL)
                {
                    supprimerQueue();   // function that delete the last elemnt of my chained list; works
                }
                else if (temp1->precedent == NULL)
                {
                    supprimerTete (); // function that delete the first element of my chained list; also works
                }
                else
                {
                    temp1->suivant->precedent = temp1->precedent;  // "precedent" is for the next element
                    temp1->precedent->suivant = temp1->suivant;   // "suivant" is for the next one
                }
                delete temp1;   // <--- here i want to delete the #i elemnt of my list but i think theres a problem here
            }
            else
            {
                temp1 = temp1->suivant;
            }
            i = i + 1;
        }
}