jQuery.fn.dataTableExt.oApi.fnFilterOnReturn = function (oSettings) {
    /*
    * Usage:       $('#example').dataTable().fnFilterOnReturn();
    * Author:      Jon Ranes (www.mvccms.com)
    * License:     GPL v2 or BSD 3 point style
    * Contact:     jranes /AT\ mvccms.com
    */
    var _that = this;

    this.each(function (i) {
        $.fn.dataTableExt.iApiIndex = i;
        var $this = this;
        var anControl = $('input', _that.fnSettings().aanFeatures.f);
        anControl.unbind('keyup').bind('keypress', function (e) {
            if (e.which == 13) {
                $.fn.dataTableExt.iApiIndex = i;
                _that.fnFilter(anControl.val());
            }
        });
        return this;
    });
    return this;
}