function renew_r4() {

	form = document.forms[0];

        	switch ( form.option_r3.options[form.option_r3.selectedIndex].value ) {
                       case "KS" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("C 8401","C 8401",false,false);
                            form.option_r4.options[2] = new Option("D 3507","D 3507",false,false);
                            form.option_r4.options[3] = new Option("D 3517","D 3517",false,false);
                            form.option_r4.options[4] = new Option("D 3536","D 3536",false,false);
                            form.option_r4.options[5] = new Option("D 3537","D 3537",false,false);
                            form.option_r4.options[6] = new Option("D 3562","D 3562",false,false);
                            form.option_r4.options[7] = new Option("D 3563","D 3563",false,false);
                            form.option_r4.options[8] = new Option("D 3564","D 3564",false,false);
                            form.option_r4.options[9] = new Option("D 3565","D 3565",false,false);
                            form.option_r4.options[10] = new Option("D 3566","D 3566",false,false);
                            form.option_r4.options[11] = new Option("D 3568","D 3568",false,false);
                            form.option_r4.options[12] = new Option("D 3569","D 3569",false,false);
                            form.option_r4.options[13] = new Option("D 3570","D 3570",false,false);
                            form.option_r4.options[14] = new Option("D 3571","D 3571",false,false);
                            form.option_r4.options[15] = new Option("D 3572","D 3572",false,false);
                            form.option_r4.options[16] = new Option("D 3573","D 3573",false,false);
                            form.option_r4.options[17] = new Option("D 3574","D 3574",false,false);
                            form.option_r4.options[18] = new Option("D 3575","D 3575",false,false);
                            form.option_r4.options[19] = new Option("D 3576","D 3576",false,false);
                            form.option_r4.options[20] = new Option("D 3577","D 3577",false,false);
                            form.option_r4.options[21] = new Option("D 3578","D 3578",false,false);
                            form.option_r4.options[22] = new Option("D 3583","D 3583",false,false);
                            form.option_r4.options[23] = new Option("D 3584","D 3584",false,false);
                            form.option_r4.options[24] = new Option("D 3585","D 3585",false,false);
                            form.option_r4.options[25] = new Option("D 3587","D 3587",false,false);
                            form.option_r4.options[26] = new Option("D 3588","D 3588",false,false);
                            form.option_r4.options[27] = new Option("D 3589","D 3589",false,false);
                            form.option_r4.options[28] = new Option("D 3590","D 3590",false,false);
                            form.option_r4.options[29] = new Option("D 3595","D 3595",false,false);
                            form.option_r4.options[30] = new Option("D 3598","D 3598",false,false);
                            form.option_r4.options[31] = new Option("D 3607","D 3607",false,false);
                            form.option_r4.options[32] = new Option("D 3608","D 3608",false,false);
                            form.option_r4.options[33] = new Option("D 3618","D 3618",false,false);
                            form.option_r4.options[34] = new Option("D 3619","D 3619",false,false);
                            form.option_r4.options[35] = new Option("D 3620","D 3620",false,false);
                            form.option_r4.options[36] = new Option("D 3623","D 3623",false,false);
                            form.option_r4.options[37] = new Option("D 3626","D 3626",false,false);
                            form.option_r4.options[38] = new Option("D 3627","D 3627",false,false);
                            form.option_r4.options[39] = new Option("D 3631","D 3631",false,false);
                            form.option_r4.options[40] = new Option("D 3632","D 3632",false,false);
                            form.option_r4.options[41] = new Option("D 3757","D 3757",false,false);
                            form.option_r4.options[42] = new Option("D 3758","D 3758",false,false);
                            form.option_r4.options[43] = new Option("D 3759","D 3759",false,false);
                            form.option_r4.options[44] = new Option("D 3760","D 3760",false,false);
                            form.option_r4.options[45] = new Option("D 3761","D 3761",false,false);
                            form.option_r4.options[46] = new Option("D 3780","D 3780",false,false);
                            form.option_r4.options[47] = new Option("D 8306","D 8306",false,false);
                            form.option_r4.options[48] = new Option("D 8307","D 8307",false,false);
                            form.option_r4.options[49] = new Option("D 8500","D 8500",false,false);
                            form.option_r4.options[50] = new Option("D 8501","D 8501",false,false);
                            form.option_r4.options[51] = new Option("D 8502","D 8502",false,false);
                            form.option_r4.options[52] = new Option("E 3114","E 3114",false,false);
                            form.option_r4.options[53] = new Option("F 4602","F 4602",false,false);
                            form.option_r4.options[54] = new Option("F 4605","F 4605",false,false);
                            form.option_r4.options[55] = new Option("F 8001","F 8001",false,false);
                            form.option_r4.options[56] = new Option("F 8002","F 8002",false,false);
                            form.option_r4.options[57] = new Option("F 8003","F 8003",false,false);
                            form.option_r4.options[58] = new Option("R 2021","R 2021",false,false);
                            form.option_r4.options[59] = new Option("R 2028","R 2028",false,false);
                            form.option_r4.options[60] = new Option("R 3044","R 3044",false,false);
                            form.option_r4.options[61] = new Option("R 4037","R 4037",false,false);
                            form.option_r4.options[62] = new Option("V 2040","V 2040",false,false);
                            form.option_r4.options[63] = new Option("V 3983","V 3983",false,false);
		            break;
                       case "ASTM" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("A 53","A 53",false,false);
                            form.option_r4.options[2] = new Option("A 106","A 106",false,false);
                            form.option_r4.options[3] = new Option("A 134","A 134",false,false);
                            form.option_r4.options[4] = new Option("A 135","A 135",false,false);
                            form.option_r4.options[5] = new Option("A 139","A 139",false,false);
                            form.option_r4.options[6] = new Option("A 161","A 161",false,false);
                            form.option_r4.options[7] = new Option("A 178","A 178",false,false);
                            form.option_r4.options[8] = new Option("A 179","A 179",false,false);
                            form.option_r4.options[9] = new Option("A 192","A 192",false,false);
                            form.option_r4.options[10] = new Option("A 199","A 199",false,false);
                            form.option_r4.options[11] = new Option("A 200","A 200",false,false);
                            form.option_r4.options[12] = new Option("A 209","A 209",false,false);
                            form.option_r4.options[13] = new Option("A 210","A 210",false,false);
                            form.option_r4.options[14] = new Option("A 211","A 211",false,false);
                            form.option_r4.options[15] = new Option("A 213","A 213",false,false);
                            form.option_r4.options[16] = new Option("A 214","A 214",false,false);
                            form.option_r4.options[17] = new Option("A 226","A 226",false,false);
                            form.option_r4.options[18] = new Option("A 249","A 249",false,false);
                            form.option_r4.options[19] = new Option("A 250","A 250",false,false);
                            form.option_r4.options[20] = new Option("A 252","A 252",false,false);
                            form.option_r4.options[21] = new Option("A 254","A 254",false,false);
                            form.option_r4.options[22] = new Option("A 268","A 268",false,false);
                            form.option_r4.options[23] = new Option("A 269","A 269",false,false);
                            form.option_r4.options[24] = new Option("A 270","A 270",false,false);
                            form.option_r4.options[25] = new Option("A 271","A 271",false,false);
                            form.option_r4.options[26] = new Option("A 283","A 283",false,false);
                            form.option_r4.options[27] = new Option("A 285","A 285",false,false);
                            form.option_r4.options[28] = new Option("A 312","A 312",false,false);
                            form.option_r4.options[29] = new Option("A 333","A 333",false,false);
                            form.option_r4.options[30] = new Option("A 334","A 334",false,false);
                            form.option_r4.options[31] = new Option("A 335","A 335",false,false);
                            form.option_r4.options[32] = new Option("A 358","A 358",false,false);
                            form.option_r4.options[33] = new Option("A 369","A 369",false,false);
                            form.option_r4.options[34] = new Option("A 370","A 370",false,false);
                            form.option_r4.options[35] = new Option("A 376","A 376",false,false);
                            form.option_r4.options[36] = new Option("A 381","A 381",false,false);
                            form.option_r4.options[37] = new Option("A 405","A 405",false,false);
                            form.option_r4.options[38] = new Option("A 409","A 409",false,false);
                            form.option_r4.options[39] = new Option("A 422","A 422",false,false);
                            form.option_r4.options[40] = new Option("A 423","A 423",false,false);
                            form.option_r4.options[41] = new Option("A 426","A 426",false,false);
                            form.option_r4.options[42] = new Option("A 430","A 430",false,false);
                            form.option_r4.options[43] = new Option("A 450","A 450",false,false);
                            form.option_r4.options[44] = new Option("A 451","A 451",false,false);
                            form.option_r4.options[45] = new Option("A 452","A 452",false,false);
                            form.option_r4.options[46] = new Option("A 498","A 498",false,false);
                            form.option_r4.options[47] = new Option("A 500","A 500",false,false);
                            form.option_r4.options[48] = new Option("A 501","A 501",false,false);
                            form.option_r4.options[49] = new Option("A 511","A 511",false,false);
                            form.option_r4.options[50] = new Option("A 512","A 512",false,false);
                            form.option_r4.options[51] = new Option("A 513","A 513",false,false);
                            form.option_r4.options[52] = new Option("A 519","A 519",false,false);
                            form.option_r4.options[53] = new Option("A 520","A 520",false,false);
                            form.option_r4.options[54] = new Option("A 523","A 523",false,false);
                            form.option_r4.options[55] = new Option("A 524","A 524",false,false);
                            form.option_r4.options[56] = new Option("A 530","A 530",false,false);
                            form.option_r4.options[57] = new Option("A 539","A 539",false,false);
                            form.option_r4.options[58] = new Option("A 554","A 554",false,false);
                            form.option_r4.options[59] = new Option("A 556","A 556",false,false);
                            form.option_r4.options[60] = new Option("A 557","A 557",false,false);
                            form.option_r4.options[61] = new Option("A 570","A 570",false,false);
                            form.option_r4.options[62] = new Option("A 587","A 587",false,false);
                            form.option_r4.options[63] = new Option("A 589","A 589",false,false);
                            form.option_r4.options[64] = new Option("A 595","A 595",false,false);
                            form.option_r4.options[65] = new Option("A 608","A 608",false,false);
                            form.option_r4.options[66] = new Option("A 618","A 618",false,false);
                            form.option_r4.options[67] = new Option("A 632","A 632",false,false);
                            form.option_r4.options[68] = new Option("A 660","A 660",false,false);
                            form.option_r4.options[69] = new Option("A 671","A 671",false,false);
                            form.option_r4.options[70] = new Option("A 672","A 672",false,false);
                            form.option_r4.options[71] = new Option("A 688","A 688",false,false);
                            form.option_r4.options[72] = new Option("A 691","A 691",false,false);
                            form.option_r4.options[73] = new Option("A 692","A 692",false,false);
                            form.option_r4.options[74] = new Option("A 714","A 714",false,false);
                            form.option_r4.options[75] = new Option("A 731","A 731",false,false);
                            form.option_r4.options[76] = new Option("A 733","A 733",false,false);
                            form.option_r4.options[77] = new Option("A 771","A 771",false,false);
                            form.option_r4.options[78] = new Option("A 778","A 778",false,false);
                            form.option_r4.options[79] = new Option("A 787","A 787",false,false);
                            form.option_r4.options[80] = new Option("A 789","A 789",false,false);
                            form.option_r4.options[81] = new Option("A 790","A 790",false,false);
                            form.option_r4.options[82] = new Option("A 791","A 791",false,false);
                            form.option_r4.options[83] = new Option("A 795","A 795",false,false);
                            form.option_r4.options[84] = new Option("A 803","A 803",false,false);
                            form.option_r4.options[85] = new Option("A 813","A 813",false,false);
                            form.option_r4.options[86] = new Option("A 814","A 814",false,false);
                            form.option_r4.options[87] = new Option("A 822","A 822",false,false);
                            form.option_r4.options[88] = new Option("A 826","A 826",false,false);
                            form.option_r4.options[89] = new Option("A 847","A 847",false,false);
                            form.option_r4.options[90] = new Option("A 851","A 851",false,false);
                            form.option_r4.options[91] = new Option("A 865","A 865",false,false);
                            form.option_r4.options[92] = new Option("A 872","A 872",false,false);
                            form.option_r4.options[93] = new Option("A 908","A 908",false,false);
                            form.option_r4.options[94] = new Option("B 111","B 111",false,false);
                            form.option_r4.options[95] = new Option("B 161","B 161",false,false);
                            form.option_r4.options[96] = new Option("B 163","B 163",false,false);
                            form.option_r4.options[97] = new Option("B 165","B 165",false,false);
                            form.option_r4.options[98] = new Option("B 167","B 167",false,false);
                            form.option_r4.options[99] = new Option("B 210","B 210",false,false);
                            form.option_r4.options[100] = new Option("B 234","B 234",false,false);
                            form.option_r4.options[101] = new Option("B 241","B 241",false,false);
                            form.option_r4.options[102] = new Option("B 315","B 315",false,false);
                            form.option_r4.options[103] = new Option("B 337","B 337",false,false);
                            form.option_r4.options[104] = new Option("B 338","B 338",false,false);
                            form.option_r4.options[105] = new Option("B 359","B 359",false,false);
                            form.option_r4.options[106] = new Option("B 388","B 388",false,false);
                            form.option_r4.options[107] = new Option("B 395","B 395",false,false);
                            form.option_r4.options[108] = new Option("B 407","B 407",false,false);
                            form.option_r4.options[109] = new Option("B 423","B 423",false,false);
                            form.option_r4.options[110] = new Option("B 443","B 443",false,false);
                            form.option_r4.options[111] = new Option("B 444","B 444",false,false);
                            form.option_r4.options[112] = new Option("B 464","B 464",false,false);
                            form.option_r4.options[113] = new Option("B 466","B 466",false,false);
                            form.option_r4.options[114] = new Option("B 467","B 467",false,false);
                            form.option_r4.options[115] = new Option("B 468","B 468",false,false);
                            form.option_r4.options[116] = new Option("B 514","B 514",false,false);
                            form.option_r4.options[117] = new Option("B 515","B 515",false,false);
                            form.option_r4.options[118] = new Option("B 516","B 516",false,false);
                            form.option_r4.options[119] = new Option("B 517","B 517",false,false);
                            form.option_r4.options[120] = new Option("B 523","B 523",false,false);
                            form.option_r4.options[121] = new Option("B 535","B 535",false,false);
                            form.option_r4.options[122] = new Option("B 619","B 619",false,false);
                            form.option_r4.options[123] = new Option("B 622","B 622",false,false);
                            form.option_r4.options[124] = new Option("B 626","B 626",false,false);
                            form.option_r4.options[125] = new Option("B 658","B 658",false,false);
                            form.option_r4.options[126] = new Option("B 668","B 668",false,false);
                            form.option_r4.options[127] = new Option("B 673","B 673",false,false);
                            form.option_r4.options[128] = new Option("B 674","B 674",false,false);
                            form.option_r4.options[129] = new Option("B 675","B 675",false,false);
                            form.option_r4.options[130] = new Option("B 676","B 676",false,false);
                            form.option_r4.options[131] = new Option("B 677","B 677",false,false);
                            form.option_r4.options[132] = new Option("B 690","B 690",false,false);
                            form.option_r4.options[133] = new Option("B 704","B 704",false,false);
                            form.option_r4.options[134] = new Option("B 705","B 705",false,false);
                            form.option_r4.options[135] = new Option("B 710","B 710",false,false);
                            form.option_r4.options[136] = new Option("B 729","B 729",false,false);
                            form.option_r4.options[137] = new Option("B 751","B 751",false,false);
                            form.option_r4.options[138] = new Option("B 775","B 775",false,false);
                            form.option_r4.options[139] = new Option("B 804","B 804",false,false);
                            form.option_r4.options[140] = new Option("B 829","B 829",false,false);
		            break;
                       case "JIS" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("A 5525","A 5525",false,false);
                            form.option_r4.options[2] = new Option("A 5530","A 5530",false,false);
                            form.option_r4.options[3] = new Option("C 8305","C 8305",false,false);
                            form.option_r4.options[4] = new Option("C 8380","C 8380",false,false);
                            form.option_r4.options[5] = new Option("G 3429","G 3429",false,false);
                            form.option_r4.options[6] = new Option("G 3439","G 3439",false,false);
                            form.option_r4.options[7] = new Option("G 3441","G 3441",false,false);
                            form.option_r4.options[8] = new Option("G 3442","G 3442",false,false);
                            form.option_r4.options[9] = new Option("G 3443","G 3443",false,false);
                            form.option_r4.options[10] = new Option("G 3444","G 3444",false,false);
                            form.option_r4.options[11] = new Option("G 3445","G 3445",false,false);
                            form.option_r4.options[12] = new Option("G 3446","G 3446",false,false);
                            form.option_r4.options[13] = new Option("G 3447","G 3447",false,false);
                            form.option_r4.options[14] = new Option("G 3448","G 3448",false,false);
                            form.option_r4.options[15] = new Option("G 3451","G 3451",false,false);
                            form.option_r4.options[16] = new Option("G 3452","G 3452",false,false);
                            form.option_r4.options[17] = new Option("G 3454","G 3454",false,false);
                            form.option_r4.options[18] = new Option("G 3455","G 3455",false,false);
                            form.option_r4.options[19] = new Option("G 3456","G 3456",false,false);
                            form.option_r4.options[20] = new Option("G 3457","G 3457",false,false);
                            form.option_r4.options[21] = new Option("G 3458","G 3458",false,false);
                            form.option_r4.options[22] = new Option("G 3459","G 3459",false,false);
                            form.option_r4.options[23] = new Option("G 3460","G 3460",false,false);
                            form.option_r4.options[24] = new Option("G 3461","G 3461",false,false);
                            form.option_r4.options[25] = new Option("G 3462","G 3462",false,false);
                            form.option_r4.options[26] = new Option("G 3463","G 3463",false,false);
                            form.option_r4.options[27] = new Option("G 3464","G 3464",false,false);
                            form.option_r4.options[28] = new Option("G 3465","G 3465",false,false);
                            form.option_r4.options[29] = new Option("G 3466","G 3466",false,false);
                            form.option_r4.options[30] = new Option("G 3467","G 3467",false,false);
                            form.option_r4.options[31] = new Option("G 3468","G 3468",false,false);
                            form.option_r4.options[32] = new Option("G 3469","G 3469",false,false);
                            form.option_r4.options[33] = new Option("G 3471","G 3471",false,false);
                            form.option_r4.options[34] = new Option("G 3472","G 3472",false,false);
                            form.option_r4.options[35] = new Option("G 3473","G 3473",false,false);
                            form.option_r4.options[36] = new Option("G 3474","G 3474",false,false);
                            form.option_r4.options[37] = new Option("G 3475","G 3475",false,false);
                            form.option_r4.options[38] = new Option("G 3491","G 3491",false,false);
                            form.option_r4.options[39] = new Option("G 3492","G 3492",false,false);
                            form.option_r4.options[40] = new Option("G 4805","G 4805",false,false);
                            form.option_r4.options[41] = new Option("G 4903","G 4903",false,false);
                            form.option_r4.options[42] = new Option("G 4904","G 4904",false,false);
		            break;
                       case "BS" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("534","534",false,false);
                            form.option_r4.options[2] = new Option("778","778",false,false);
                            form.option_r4.options[3] = new Option("879","879",false,false);
                            form.option_r4.options[4] = new Option("1139","1139",false,false);
                            form.option_r4.options[5] = new Option("1387","1387",false,false);
                            form.option_r4.options[6] = new Option("1717","1717",false,false);
                            form.option_r4.options[7] = new Option("1864","1864",false,false);
                            form.option_r4.options[8] = new Option("3059 PART1","3059 PART1",false,false);
                            form.option_r4.options[9] = new Option("3059 PART2","3059 PART2",false,false);
                            form.option_r4.options[10] = new Option("3600","3600",false,false);
                            form.option_r4.options[11] = new Option("3601","3601",false,false);
                            form.option_r4.options[12] = new Option("3602 PART1","3602 PART1",false,false);
                            form.option_r4.options[13] = new Option("3602 PART2","3602 PART2",false,false);
                            form.option_r4.options[14] = new Option("3603","3603",false,false);
                            form.option_r4.options[15] = new Option("3604","3604",false,false);
                            form.option_r4.options[16] = new Option("3605 PART1","3605 PART1",false,false);
                            form.option_r4.options[17] = new Option("3605 PART2","3605 PART2",false,false);
                            form.option_r4.options[18] = new Option("3606","3606",false,false);
                            form.option_r4.options[19] = new Option("4127","4127",false,false);
                            form.option_r4.options[20] = new Option("4825","4825",false,false);
                            form.option_r4.options[21] = new Option("5242 PART1","5242 PART1",false,false);
                            form.option_r4.options[22] = new Option("5242 PART2","5242 PART2",false,false);
                            form.option_r4.options[23] = new Option("5242 PART3","5242 PART3",false,false);
                            form.option_r4.options[24] = new Option("6323 PART2","6323 PART2",false,false);
                            form.option_r4.options[25] = new Option("6323 PART3","6323 PART3",false,false);
                            form.option_r4.options[26] = new Option("6323 PART4","6323 PART4",false,false);
                            form.option_r4.options[27] = new Option("6323 PART5","6323 PART5",false,false);
                            form.option_r4.options[28] = new Option("6323 PART6","6323 PART6",false,false);
                            form.option_r4.options[29] = new Option("6323 PART7","6323 PART7",false,false);
                            form.option_r4.options[30] = new Option("6323 PART8","6323 PART8",false,false);
                            form.option_r4.options[31] = new Option("6363","6363",false,false);
                            form.option_r4.options[32] = new Option("7416","7416",false,false);
		            break;
                       case "API" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("5CT","5CT",false,false);
                            form.option_r4.options[2] = new Option("5D","5D",false,false);
                            form.option_r4.options[3] = new Option("5L","5L",false,false);
                            form.option_r4.options[4] = new Option("5B","5B",false,false);
		            break;
                       case "NF" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("A49-111","A49-111",false,false);
                            form.option_r4.options[2] = new Option("A49-112","A49-112",false,false);
                            form.option_r4.options[3] = new Option("A49-115","A49-115",false,false);
                            form.option_r4.options[4] = new Option("A49-141","A49-141",false,false);
                            form.option_r4.options[5] = new Option("A49-142","A49-142",false,false);
                            form.option_r4.options[6] = new Option("A49-145","A49-145",false,false);
                            form.option_r4.options[7] = new Option("A49-146","A49-146",false,false);
                            form.option_r4.options[8] = new Option("A49-148","A49-148",false,false);
                            form.option_r4.options[9] = new Option("A49-150","A49-150",false,false);
                            form.option_r4.options[10] = new Option("A49-175","A49-175",false,false);
                            form.option_r4.options[11] = new Option("A49-207","A49-207",false,false);
                            form.option_r4.options[12] = new Option("A49-210","A49-210",false,false);
                            form.option_r4.options[13] = new Option("A49-211","A49-211",false,false);
                            form.option_r4.options[14] = new Option("A49-212","A49-212",false,false);
                            form.option_r4.options[15] = new Option("A49-213","A49-213",false,false);
                            form.option_r4.options[16] = new Option("A49-214","A49-214",false,false);
                            form.option_r4.options[17] = new Option("A49-215","A49-215",false,false);
                            form.option_r4.options[18] = new Option("A49-217","A49-217",false,false);
                            form.option_r4.options[19] = new Option("A49-218","A49-218",false,false);
                            form.option_r4.options[20] = new Option("A49-230","A49-230",false,false);
                            form.option_r4.options[21] = new Option("A49-240","A49-240",false,false);
                            form.option_r4.options[22] = new Option("A49-241","A49-241",false,false);
                            form.option_r4.options[23] = new Option("A49-242","A49-242",false,false);
                            form.option_r4.options[24] = new Option("A49-243","A49-243",false,false);
                            form.option_r4.options[25] = new Option("A49-245","A49-245",false,false);
                            form.option_r4.options[26] = new Option("A49-249","A49-249",false,false);
                            form.option_r4.options[27] = new Option("A49-250","A49-250",false,false);
                            form.option_r4.options[28] = new Option("A49-253","A49-253",false,false);
                            form.option_r4.options[29] = new Option("A49-310","A49-310",false,false);
                            form.option_r4.options[30] = new Option("A49-311","A49-311",false,false);
                            form.option_r4.options[31] = new Option("A49-312","A49-312",false,false);
                            form.option_r4.options[32] = new Option("A49-317","A49-317",false,false);
                            form.option_r4.options[33] = new Option("A49-321","A49-321",false,false);
                            form.option_r4.options[34] = new Option("A49-322","A49-322",false,false);
                            form.option_r4.options[35] = new Option("A49-323","A49-323",false,false);
                            form.option_r4.options[36] = new Option("A49-326","A49-326",false,false);
                            form.option_r4.options[37] = new Option("A49-327","A49-327",false,false);
                            form.option_r4.options[38] = new Option("A49-330","A49-330",false,false);
                            form.option_r4.options[39] = new Option("A49-341","A49-341",false,false);
                            form.option_r4.options[40] = new Option("A49-343","A49-343",false,false);
                            form.option_r4.options[41] = new Option("A49-400","A49-400",false,false);
                            form.option_r4.options[42] = new Option("A49-401","A49-401",false,false);
                            form.option_r4.options[43] = new Option("A49-402","A49-402",false,false);
                            form.option_r4.options[44] = new Option("A49-501","A49-501",false,false);
                            form.option_r4.options[45] = new Option("A49-541","A49-541",false,false);
                            form.option_r4.options[46] = new Option("A49-643","A49-643",false,false);
                            form.option_r4.options[47] = new Option("A49-645","A49-645",false,false);
                            form.option_r4.options[48] = new Option("A49-647","A49-647",false,false);
		            break;
                       case "ISO" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("65","65",false,false);
                            form.option_r4.options[2] = new Option("559","559",false,false);
                            form.option_r4.options[3] = new Option("2604-2","2604-2",false,false);
                            form.option_r4.options[4] = new Option("2604-3","2604-3",false,false);
                            form.option_r4.options[5] = new Option("2604-5","2604-5",false,false);
                            form.option_r4.options[6] = new Option("2937","2937",false,false);
                            form.option_r4.options[7] = new Option("2938","2938",false,false);
                            form.option_r4.options[8] = new Option("3183","3183",false,false);
                            form.option_r4.options[9] = new Option("3304","3304",false,false);
                            form.option_r4.options[10] = new Option("3305","3305",false,false);
                            form.option_r4.options[11] = new Option("3306","3306",false,false);
		            break;
                       case "DIN" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("1615","1615",false,false);
                            form.option_r4.options[2] = new Option("1626","1626",false,false);
                            form.option_r4.options[3] = new Option("1628","1628",false,false);
                            form.option_r4.options[4] = new Option("1629","1629",false,false);
                            form.option_r4.options[5] = new Option("1630","1630",false,false);
                            form.option_r4.options[6] = new Option("2391","2391",false,false);
                            form.option_r4.options[7] = new Option("2393","2393",false,false);
                            form.option_r4.options[8] = new Option("2394","2394",false,false);
                            form.option_r4.options[9] = new Option("2395","2395",false,false);
                            form.option_r4.options[10] = new Option("2440","2440",false,false);
                            form.option_r4.options[11] = new Option("2441","2441",false,false);
                            form.option_r4.options[12] = new Option("2444","2444",false,false);
                            form.option_r4.options[13] = new Option("2445 PART1","2445 PART1",false,false);
                            form.option_r4.options[14] = new Option("2445 PART2","2445 PART2",false,false);
                            form.option_r4.options[15] = new Option("2448","2448",false,false);
                            form.option_r4.options[16] = new Option("2449","2449",false,false);
                            form.option_r4.options[17] = new Option("2450","2450",false,false);
                            form.option_r4.options[18] = new Option("2458","2458",false,false);
                            form.option_r4.options[19] = new Option("2460","2460",false,false);
                            form.option_r4.options[20] = new Option("2462","2462",false,false);
                            form.option_r4.options[21] = new Option("2463","2463",false,false);
                            form.option_r4.options[22] = new Option("17100","17100",false,false);
                            form.option_r4.options[23] = new Option("17102","17102",false,false);
                            form.option_r4.options[24] = new Option("17119","17119",false,false);
                            form.option_r4.options[25] = new Option("17120","17120",false,false);
                            form.option_r4.options[26] = new Option("17121","17121",false,false);
                            form.option_r4.options[27] = new Option("17123","17123",false,false);
                            form.option_r4.options[28] = new Option("17124","17124",false,false);
                            form.option_r4.options[29] = new Option("17172","17172",false,false);
                            form.option_r4.options[30] = new Option("17173","17173",false,false);
                            form.option_r4.options[31] = new Option("17174","17174",false,false);
                            form.option_r4.options[32] = new Option("17175","17175",false,false);
                            form.option_r4.options[33] = new Option("17177","17177",false,false);
                            form.option_r4.options[34] = new Option("17455","17455",false,false);
                            form.option_r4.options[35] = new Option("17456","17456",false,false);
                            form.option_r4.options[36] = new Option("17457","17457",false,false);
                            form.option_r4.options[37] = new Option("17458","17458",false,false);
                            form.option_r4.options[38] = new Option("17671","17671",false,false);
		            break;
                       case "DNV" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("TW 320","TW 320",false,false);
                            form.option_r4.options[2] = new Option("TW 360","TW 360",false,false);
                            form.option_r4.options[3] = new Option("TW 410","TW 410",false,false);
                            form.option_r4.options[4] = new Option("TW 430","TW 430",false,false);
		            break;
                       case "LR" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("320","320",false,false);
                            form.option_r4.options[2] = new Option("360","360",false,false);
                            form.option_r4.options[3] = new Option("410","410",false,false);
                            form.option_r4.options[4] = new Option("460","460",false,false);
		            break;
                       case "Others" :
			    while ( form.option_r4.options[0] ) {
				    form.option_r4.options[0] = null;
			    }
                            form.option_r4.options[0] = new Option("Standard Number","",true,true);
                            form.option_r4.options[1] = new Option("EDM Electrode Tubes","EDM Electrode Tubes",false,false);
                            form.option_r4.options[2] = new Option("HOLLOW BAR","HOLLOW BAR",false,false);
                            form.option_r4.options[3] = new Option("SAF","SAF",false,false);
                            form.option_r4.options[4] = new Option("AS 1074","AS 1074",false,false);
                            form.option_r4.options[5] = new Option("AS 1163","AS 1163",false,false);
                            form.option_r4.options[6] = new Option("UL 6","UL 6",false,false);
                            form.option_r4.options[7] = new Option("ANSI C80.1","ANSI C80.1",false,false);
                            form.option_r4.options[8] = new Option("CSA C22.2","CSA C22.2",false,false);
                            form.option_r4.options[9] = new Option("S45C PIPE","S45C PIPE",false,false);
                            form.option_r4.options[10] = new Option("HR PIPE","HR PIPE",false,false);
                            form.option_r4.options[11] = new Option("CR PIPE","CR PIPE",false,false);
                            form.option_r4.options[12] = new Option("CGI PIPE","CGI PIPE",false,false);
                            form.option_r4.options[13] = new Option("HGI PIPE","HGI PIPE",false,false);
                            form.option_r4.options[14] = new Option("Others","Others",false,false);
		            break;
		}	


}