var current = $('#' + table_id).position();

    var table   = $('#' + table_id).dataTable({
        "scrollY":           get_window_height() - current.top - 5,
        "paging":            false,
        "order":             []
    });

/*
if ($("#" + table_id).find("tr.selected").length > 0) {
    oConfig.bSelectedOnly   = true;
}
\*/
    var export_defaults = [
        {
            "sExtends":"copy",
            "bSelectedOnly": $("#" + table_id).find("tr.selected").length > 0 ? "true" : "false",

            "fnClick":function(nButton, oConfig, flash) {
                var table_data      = this.fnGetTableData(oConfig);
                var new_table_data  = table_data.replace(/#!!.+?!!#/g, "");

                this.fnSetText(flash, new_table_data);

            }

        },
        {
            "sExtends":"xls",
            "bSelectedOnly": ($("#" + table_id).find("tr.selected").length > 0 ? "true" : "false"),
            "fnClick":function(nButton, oConfig, flash) {
                var table_data      = this.fnGetTableData(oConfig);
                var new_table_data  = table_data.replace(/#!!.+?!!#/g, "");

                this.fnSetText(flash, new_table_data);

            }

        }

    ];

    // we only want the copy and export xls button
    $.fn.dataTable.TableTools.defaults.sSwfPath = "/swf/copy_csv_xls_pdf.swf";
    $.fn.dataTable.TableTools.defaults.sRowSelect = "multi";
    $.fn.dataTable.TableTools.defaults.aButtons = export_defaults;
    var tt = new $.fn.dataTable.TableTools( table );
    $( tt.fnContainer() ).insertAfter('div.dataTables_filter');