public void setorderBy(int column)
	{
		
		/* if the users clicks on the same column again, flip the order */
		if(lastClickedColumn == column)
		{
			order = !order;
		}
		
		lastClickedColumn = column;
		
		switch(column)
		{
			case 0:
				orderby = "Title";
				break;
			case 1:
				orderby = "Artist";
				break;
			case 2:
				orderby = "Album";
				break;
			case 3:
				orderby = "Genre";
				break;
			case 4:
				orderby = "Duration";
				break;
			case 5:
				orderby = "Release";
				break;
			case 6:
				orderby = "Comment";
				break;
			default:
				orderby = "Title";
		}
		updateUI(currentTableView);
	}