public boolean isStraight() {
	boolean retBoo = false;

	if (_cards.size() >= 5) {
	    ArrayList<Card> temp = insertionSort( _cards );
	    int count = 0;
	    for (int i = 1; i < temp.size(); i++) {
		if (temp.get(i).getValue() == temp.get(i-1).getValue()+1)
		    count++;
		else
		    count = 0;
	    }
	    if (count >= 5)
		retBoo = true;
	}
	return retBoo;
    }