function getRelease() {
                var YEAR = document.f1.year.options[document.f1.year.selectedIndex].value;
                var MTH = document.f1.month.options[document.f1.month.selectedIndex].value;
                var FORMAT = document.f1.format.options[document.f1.format.selectedIndex].value;
                if (YEAR == "") {
                        alert("A year must be selected!");
                        document.f1.year.focus();
                        return false;
                } else if (MTH == "") {
                        alert("A month must be selected!");
                        document.f1.month.focus();
                        return false;
                } else if (FORMAT == "") {
                        alert("A file format must be selected!");
                        document.f1.format.focus();
                        return false;
                }

                if (FORMAT == "pdf") {
                        location.href="http://www2.census.gov/retail/releases/historical/mtis/mtis" + YEAR + MTH + ".pdf";
                } else if (FORMAT == "txt") {
                        location.href="http://www2.census.gov/retail/releases/historical/mtis/mtis" + YEAR + MTH + ".txt";
                }
        }

        function refreshMthFor() {
                var monthLength = document.f1.month.length;
                        for (i=0; i<monthLength; i++) {
                        document.f1.month.options[0] = null;
                }

                var formatLength = document.f1.format.length;
                        for (i=0; i<formatLength; i++) {
                        document.f1.format.options[0] = null;
                }

                var YEAR = document.f1.year.options[document.f1.year.selectedIndex].value;
                switch (document.f1.year.options[document.f1.year.selectedIndex].value) {

                /****************************************************************************/
                /**************THE FOLLOWING SECTION MUST BE UPDATED*************************/
                /****************************************************************************/

                /* For each release, find the year ("09", "10", "11", etc.) next to the case
                        statement, and uncomment the month of the release by removing the "//".
                        For the first release of a year, uncomment the "0" row for that year, as
                        well as the January row. */

                        case "13" :
                                //document.f1.month.options[0] = new Option('Month', '', false, false);
                                //document.f1.month.options[1] = new Option('January', '01', false, false);
                                //document.f1.month.options[2] = new Option('February', '02', false, false);
                                //document.f1.month.options[3] = new Option('March', '03', false, false);
                                //document.f1.month.options[4] = new Option('April', '04', false, false);
                                //document.f1.month.options[5] = new Option('May', '05', false, false);
                                //document.f1.month.options[6] = new Option('June', '06', false, false);
                                //document.f1.month.options[7] = new Option('July', '07', false, false);
                                //document.f1.month.options[8] = new Option('August', '08', false, false);
                                //document.f1.month.options[9] = new Option('September', '09', false, false);
                                //document.f1.month.options[10] = new Option('October', '10', false, false);
                                //document.f1.month.options[11] = new Option('November', '11', false, false);
                                //document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        case "12" :
                                //document.f1.month.options[0] = new Option('Month', '', false, false);
                                //document.f1.month.options[1] = new Option('January', '01', false, false);
                                //document.f1.month.options[2] = new Option('February', '02', false, false);
                                //document.f1.month.options[3] = new Option('March', '03', false, false);
                                //document.f1.month.options[4] = new Option('April', '04', false, false);
                                //document.f1.month.options[5] = new Option('May', '05', false, false);
                                //document.f1.month.options[6] = new Option('June', '06', false, false);
                                //document.f1.month.options[7] = new Option('July', '07', false, false);
                                //document.f1.month.options[8] = new Option('August', '08', false, false);
                                //document.f1.month.options[9] = new Option('September', '09', false, false);
                                //document.f1.month.options[10] = new Option('October', '10', false, false);
                                //document.f1.month.options[11] = new Option('November', '11', false, false);
                                //document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        case "11" :
                                document.f1.month.options[0] = new Option('Month', '', false, false);
                                document.f1.month.options[1] = new Option('January', '01', false, false);
                                document.f1.month.options[2] = new Option('February', '02', false, false);
                                document.f1.month.options[3] = new Option('March', '03', false, false);
                                document.f1.month.options[4] = new Option('April', '04', false, false);
                                document.f1.month.options[5] = new Option('May', '05', false, false);
                                document.f1.month.options[6] = new Option('June', '06', false, false);
                                document.f1.month.options[7] = new Option('July', '07', false, false);
                                document.f1.month.options[8] = new Option('August', '08', false, false);
                                document.f1.month.options[9] = new Option('September', '09', false, false);
                                document.f1.month.options[10] = new Option('October', '10', false, false);
                                document.f1.month.options[11] = new Option('November', '11', false, false);
                                //document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        case "10" :
                                document.f1.month.options[0] = new Option('Month', '', false, false);
                                document.f1.month.options[1] = new Option('January', '01', false, false);
                                document.f1.month.options[2] = new Option('February', '02', false, false);
                                document.f1.month.options[3] = new Option('March', '03', false, false);
                                document.f1.month.options[4] = new Option('April', '04', false, false);
                                document.f1.month.options[5] = new Option('May', '05', false, false);
                                document.f1.month.options[6] = new Option('June', '06', false, false);
                                document.f1.month.options[7] = new Option('July', '07', false, false);
                                document.f1.month.options[8] = new Option('August', '08', false, false);
                                document.f1.month.options[9] = new Option('September', '09', false, false);
                                document.f1.month.options[10] = new Option('October', '10', false, false);
                                document.f1.month.options[11] = new Option('November', '11', false, false);
                                document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        case "09" :
                                document.f1.month.options[0] = new Option('Month', '', false, false);
                                document.f1.month.options[1] = new Option('January', '01', false, false);
                                document.f1.month.options[2] = new Option('February', '02', false, false);
                                document.f1.month.options[3] = new Option('March', '03', false, false);
                                document.f1.month.options[4] = new Option('April', '04', false, false);
                                document.f1.month.options[5] = new Option('May', '05', false, false);
                                document.f1.month.options[6] = new Option('June', '06', false, false);
                                document.f1.month.options[7] = new Option('July', '07', false, false);
                                document.f1.month.options[8] = new Option('August', '08', false, false);
                                document.f1.month.options[9] = new Option('September', '09', false, false);
                                document.f1.month.options[10] = new Option('October', '10', false, false);
                                document.f1.month.options[11] = new Option('November', '11', false, false);
                                document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        case "01" :
                                document.f1.month.options[0] = new Option('Month', '', false, false);
                                document.f1.month.options[1] = new Option('January (SIC-based)', '01', false, false);
                                document.f1.month.options[2] = new Option('February (SIC-based)', '02', false, false);
                                document.f1.month.options[3] = new Option('March (SIC-based)', '03', false, false);
                                document.f1.month.options[4] = new Option('April', '04', false, false);
                                document.f1.month.options[5] = new Option('May', '05', false, false);
                                document.f1.month.options[6] = new Option('June', '06', false, false);
                                document.f1.month.options[7] = new Option('July', '07', false, false);
                                document.f1.month.options[8] = new Option('August', '08', false, false);
                                document.f1.month.options[9] = new Option('September', '09', false, false);
                                document.f1.month.options[10] = new Option('October', '10', false, false);
                                document.f1.month.options[11] = new Option('November', '11', false, false);
                                document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                        default :
                                document.f1.month.options[0] = new Option('Month', '', false, false);
                                document.f1.month.options[1] = new Option('January', '01', false, false);
                                document.f1.month.options[2] = new Option('February', '02', false, false);
                                document.f1.month.options[3] = new Option('March', '03', false, false);
                                document.f1.month.options[4] = new Option('April', '04', false, false);
                                document.f1.month.options[5] = new Option('May', '05', false, false);
                                document.f1.month.options[6] = new Option('June', '06', false, false);
                                document.f1.month.options[7] = new Option('July', '07', false, false);
                                document.f1.month.options[8] = new Option('August', '08', false, false);
                                document.f1.month.options[9] = new Option('September', '09', false, false);
                                document.f1.month.options[10] = new Option('October', '10', false, false);
                                document.f1.month.options[11] = new Option('November', '11', false, false);
                                document.f1.month.options[12] = new Option('December', '12', false, false);
                                break;
                }

                if (YEAR == '00' || YEAR == '99' || YEAR == '98' || YEAR == '97' || YEAR == '96') {
                        document.f1.format.options[0] = new Option('Format', '', false, false);
                        document.f1.format.options[1] = new Option('Text', 'txt', false, false)
                } else {
                        document.f1.format.options[0] = new Option('Format', '', false, false);
                        document.f1.format.options[1] = new Option('PDF', 'pdf', false, false);
                        document.f1.format.options[2] = new Option('Text', 'txt', false, false);
                }       

        }