function _dt_get_saved_state( localstorage_config, columns_settings ){

    var tables = JSON.parse( localstorage_config );

    // if a table configuration was found in local storage, parse it

    if( tables ){

        var stateSave_column_visibility = [];

        $(tables.columns).each(function(){

            stateSave_column_visibility.push( this.visible === true ? 0 : 1 );

        });

        $.each( columns_settings, function( index, key ){

            if( stateSave_column_visibility[ index ] !== columns_settings[key] ){

                columns_settings[ index ].is_hidden = stateSave_column_visibility[ index ];

            }

        });

        return columns_settings;

    } else {

        return columns_settings;

    }

}

            var table_key =

                'DataTables_' +

                table_settings['module'] +'_' +

                table_settings['page'] +'_' +

                table_settings['table'];

            settings["stateSave"] = true;

            settings["stateSaveCallback"] = function( settings, data ) {

                localStorage.setItem( table_key, JSON.stringify(data) )

            }

            settings["stateLoadCallback"] = function(settings) {

                return JSON.parse( localStorage.getItem(table_key) )

            }

            var local_settings = localStorage.getItem(table_key);

            var system_settings = table_settings["columns"];

            var columns_settings = _dt_get_saved_state(local_settings, system_settings);