function setup(tx) {

    tx.executeSql('DROP TABLE IF EXISTS HEADER_DATA');
    tx.executeSql("create table if not exists bookinformation(inserkey TEXT, key TEXT)");
}

function dbReady() {
db.transaction(function(tx) {
        alert("5");
        $.getJSON('http://echo.jsontest.com/key/value/one/two',function(data){
         $.each(data, function(i, dat){
         tx.executeSql('INSERT OR REPLACE INTO bookinformation (inserkey, key) VALUES("'+data.one+'", "'+data.key+'")');
        alert("completed");
    });
});
    }, errorHandler, function() { alert('added row'); });
}

Uncaught InvalidStateError:Failed to execute 'executeSql' on 'SQLTransaction':SQL execution is disallowed