Adrian

            user_name = document.getElementById("user_name").value;
            password = document.getElementById("pwd").value;
            var user = {
                'sqlopt': 'select',
                'table': 'public.user',
                'to_select': [
                    {
                        'column': 'user_id'
                    },
                    {
                        'column': 'current_location_id'
                    },
                    {
                        'column': 'geomessage',
                    }
                ],
                'conditions': [
                    {
                        'column': 'user_name',
                        'data': user_name
                    },
                    {
                        'column': 'password',
                        'data': password
                    },
                ]
            };