public static boolean addInfo(databook bk){
		
	    boolean flag=false;
	    try{
	    	contct=connector.getConnection();
			Sttt=contct.prepareStatement("insert into bk "+"values(?,?,?,?,?,?)");
			Sttt.setString(1,bk.Gin());
			Sttt.setString(2,bk.Gte());
			Sttt.setString(4,bk.Gpe());
			Sttt.setString(6,bk.Gpr());
            if(Sttt.executeUpdate()==1)flag=true;
		}catch(SQLException e){
			System.out.println(e.getMessage());
		}
		connector.Close(contct, Sttt);
		return flag;
    }