public LinkedList<Stock> qsort( LinkedList<Stock> a, int comparing ) { 
		LinkedList<Stock> d = a;
		if (comparing == 0) // 0 means you are sorting by ticker name
		    qsHelpTick( 0, d.size()-1, d );
		if (comparing == 1) // 1 means compare by price
		    qsHelpQuant( 0, d.size()-1, d );
		if (comparing == 2) // 2 means compare by percent change
		    qsHelpChange( 0, d.size()-1, d );
		return d;
    }