public boolean login(String inUsername){
		String sql = "select username " +
		"from Users " +
		"where username LIKE ?";
		PreparedStatement ps = null;
		try {
			ps = conn.prepareStatement(sql);
			ps.setString(1, inUsername);
			ResultSet rs = ps.executeQuery();
			while(rs.next()) {
				String username = rs.getString("username");
				if( username.equalsIgnoreCase(inUsername)){
					return true;
				}
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			try {
				if(ps != null) ps.close();
			} catch(SQLException e2) {
				e2.printStackTrace();
			}
		}
		return false;
	}