The Overloaded Equal:

     // *************************************************** //
     //overloading equal operator for CHAR_DLLIST class     //
     // *************************************************** //
CHAR_DLLIST& CHAR_DLLIST::operator=(const CHAR_DLLIST& B)
{
  if (&B != this){
    CHAR_DL_CELL *temp,*temp2,*again;
    if(!(B.head==NULL)){
      if(head==NULL)
        head = new CHAR_DL_CELL(name);
      head->element = B.head->element;
      temp = head;
      again = B.head->next;
      while(!(again==NULL)){
        if(temp->next==NULL){
          temp->next = new CHAR_DL_CELL(name);
          }
        temp->next->element = again->element;
	temp2 = temp->next;
	temp2->previous = temp;
        again = again->next;
        temp = temp->next;
        }
      //we have finished loading the values of B
      //check to see if the left side object of the A=B
      //still contains more elements.  If so, we must
      //delete these unwanted cells
      if(!(temp->next==NULL)){
        temp2 = temp;
	temp2->next = NULL;
        delete temp->next;
	temp = temp2;
	end = temp;
	}
      else{
        //all of A is used up -- ie size of A = size of B
	//set end cell
	end = temp;
	head->previous = NULL;
	end->next = NULL;
        }
      }
    }
  return *this;
}