var os5_amount = 0, os4_amount = 0, os3_amount = 0, os2_amount = 0, os1_amount = 0, os0_amount = 0;
  function Dollar (val) {  // force to valid dollar amount
  var str,pos,rnd=0;
  if (val < .995) rnd = 1;  // for old Netscape browsers
  str = escape (val*1.0 + 0.005001 + rnd);  // float, round, escape
  pos = str.indexOf (".");
  if (pos > 0) str = str.substring (rnd, pos + 3);
  return str;
}
  
  function CalculateOrder(form) {
   if (form.os0.value == "12  Standard") {
   //add to amount
   os0_amount = 9.00;
   }
   if (form.os0.value == "13"){
   os0_amount = 11.70;
   }
   if (form.os0.value == "14"){
   os0_amount = 12.60;
   }
   if (form.os0.value == "15"){
   os0_amount = 13.50;
   }
   if (form.os0.value == "16"){
   os0_amount = 14.40;
   }
   if (form.os0.value == "17"){
   os0_amount = 15.30;
   }
   if (form.os0.value == "18  Standard"){
   os0_amount = 13.50;
   }
   if (form.os0.value == "19"){
   os0_amount = 17.10;
   }
   if (form.os0.value == "20"){
   os0_amount = 18.00;
   }
   if (form.os0.value == "21"){
   os0_amount = 18.90;
   }
   if (form.os0.value == "22"){
   os0_amount = 19.80;
   }
   if (form.os0.value == "23"){
   os0_amount = 20.70;
   }
   if (form.os0.value == "24  Standard"){
   os0_amount = 18.00;
   }
   if (form.os0.value == "25"){
   os0_amount = 22.50;
   }
   if (form.os0.value == "26"){
   os0_amount = 23.40;
   }
   if (form.os0.value == "27"){
   os0_amount = 24.30;
   }
   if (form.os0.value == "28"){
   os0_amount = 25.20;
   }
   if (form.os0.value == "29"){
   os0_amount = 26.10;
   }
   if (form.os0.value == "30"){
   os0_amount = 27.00;
   }
   if (form.os0.value == "31"){
   os0_amount = 27.90;
   }
   if (form.os0.value == "32"){
   os0_amount = 28.80;
   }
   if (form.os0.value == "33"){
   os0_amount = 29.70;
   }
   if (form.os0.value == "34"){
   os0_amount = 30.60;
   }
   if (form.os0.value == "35"){
   os0_amount = 31.50;
   }
   if (form.os0.value == "36  Standard"){
   os0_amount = 27.00;
   }
   if (form.os0.value == "37"){
   os0_amount = 33.30;
   }
   if (form.os0.value == "38"){
   os0_amount = 34.20;
   }
   if (form.os0.value == "39"){
   os0_amount = 35.10;
   }
   if (form.os0.value == "40"){
   os0_amount = 36.00;
   }
   if (form.os0.value == "41"){
   os0_amount = 36.90;
   }
   if (form.os0.value == "42"){
   os0_amount = 37.80;
   }
   if (form.os0.value == "43"){
   os0_amount = 38.70;
   }
   if (form.os0.value == "44"){
   os0_amount = 39.60;
   }
   if (form.os0.value == "45"){
   os0_amount = 40.50;
   }
   if (form.os0.value == "46"){
   os0_amount = 41.40;
   }
   if (form.os0.value == "47"){
   os0_amount = 42.30;
   }
   if (form.os0.value == "48  Standard"){
   os0_amount = 36.00;
   }
   if (form.os0.value == "49"){
   os0_amount = 44.10;
   }
   if (form.os0.value == "50"){
   os0_amount = 45.00;
   }
   if (form.os0.value == "51"){
   os0_amount = 45.90;
   }
   if (form.os0.value == "52"){
   os0_amount = 46.80;
   }
   if (form.os0.value == "53"){
   os0_amount = 47.70;
   }
   if (form.os0.value == "54"){
   os0_amount = 48.60;
   }
   if (form.os0.value == "55"){
   os0_amount = 49.50;
   }
   if (form.os0.value == "56"){
   os0_amount = 50.40;
   }
   if (form.os0.value == "57"){
   os0_amount = 51.30;
   }
   if (form.os0.value == "58"){
   os0_amount = 52.20;
   }
   if (form.os0.value == "59"){
   os0_amount = 53.10;
   }
   if (form.os0.value == "60  Standard"){
   os0_amount = 45.00;
   }
   if (form.os0.value == "61"){
   os0_amount = 54.90;
   }
   if (form.os0.value == "62"){
   os0_amount = 55.80;
   }
   if (form.os0.value == "63"){
   os0_amount = 56.70;
   }
   if (form.os0.value == "64"){
   os0_amount = 57.60;
   }
   if (form.os0.value == "65"){
   os0_amount = 58.50;
   }
   if (form.os0.value == "66"){
   os0_amount = 59.40;
   }
   if (form.os0.value == "67"){
   os0_amount = 60.30;
   }
   if (form.os0.value == "68"){
   os0_amount = 61.20;
   }
   if (form.os0.value == "69"){
   os0_amount = 62.10;
   }
   if (form.os0.value == "70"){
   os0_amount = 63.00;
   }
   if (form.os0.value == "71"){
   os0_amount = 63.90;
   }
   if (form.os0.value == "72  Standard"){
   os0_amount = 54.00;
   }
   
   {
   if (form.os1.value == "12"){
   os1_amount = 9.00;
   }
   if (form.os1.value == "13"){
   os1_amount = 9.75;
   }
   if (form.os1.value == "14"){
   os1_amount = 10.50;
   }
   if (form.os1.value == "15"){
   os1_amount = 11.25;
   }
   if (form.os1.value == "16"){
   os1_amount = 12.00;
   }
   if (form.os1.value == "17"){
   os1_amount = 12.75;
   }
   if (form.os1.value == "18"){
   os1_amount = 13.50;
   }
   if (form.os1.value == "19"){
   os1_amount = 14.25;
   }
   if (form.os1.value == "20"){
   os1_amount = 15.00;
   }
   if (form.os1.value == "21"){
   os1_amount = 15.75;
   }
   if (form.os1.value == "22"){
   os1_amount = 16.50;
   }
   if (form.os1.value == "23"){
   os1_amount = 17.25;
   }
   if (form.os1.value == "24"){
   os1_amount = 18.00;
   }
   if (form.os1.value == "25"){
   os1_amount = 18.75;
   }
   if (form.os1.value == "26"){
   os1_amount = 19.50;
   }
   if (form.os1.value == "26.5"){
   os1_amount = 20.00;
   }
   }//end of os1 charge

   {
   if (form.os2.value == "12"){
   os2_amount = 9.00;
   }
   if (form.os2.value == "13"){
   os2_amount = 9.75;
   }
   if (form.os2.value == "14"){
   os2_amount = 10.50;
   }
   if (form.os2.value == "15"){
   os2_amount = 11.25;
   }
   if (form.os2.value == "16"){
   os2_amount = 12.00;
   }
   if (form.os2.value == "17"){
   os2_amount = 12.75;
   }
   if (form.os2.value == "18"){
   os2_amount = 13.50;
   }
   if (form.os2.value == "19"){
   os2_amount = 14.25;
   }
   if (form.os2.value == "20"){
   os2_amount = 15.00;
   }
   if (form.os2.value == "21"){
   os2_amount = 15.75;
   }
   if (form.os2.value == "22"){
   os2_amount = 16.50;
   }
   if (form.os2.value == "23"){
   os2_amount = 17.25;
   }
   if (form.os2.value == "24"){
   os2_amount = 18.00;
   }
   if (form.os2.value == "25"){
   os2_amount = 18.75;
   }
   if (form.os2.value == "26"){
   os2_amount = 19.50;
   }
   if (form.os2.value == "26.5"){
   os2_amount = 20.00;
   }
   }//end of os2 charge

   {
   if (form.os3.value == "12  Standard"){
   os3_amount = 9.00;
   }
   if (form.os3.value == "13"){
   os3_amount = 11.70;
   }
   if (form.os3.value == "14"){
   os3_amount = 12.60;
   }
   if (form.os3.value == "15"){
   os3_amount = 13.50;
   }
   if (form.os3.value == "16"){
   os3_amount = 14.40;
   }
   if (form.os3.value == "17"){
   os3_amount = 15.30;
   }
   if (form.os3.value == "18  Standard"){
   os3_amount = 13.50;
   }
   if (form.os3.value == "19"){
   os3_amount = 17.10;
   }
   if (form.os3.value == "20"){
   os3_amount = 18.00;
   }
   if (form.os3.value == "21"){
   os3_amount = 18.90;
   }
   if (form.os3.value == "22"){
   os3_amount = 19.80;
   }
   if (form.os3.value == "23"){
   os3_amount = 20.70;
   }
   if (form.os3.value == "24  Standard"){
   os3_amount = 18.00;
   }
   if (form.os3.value == "25"){
   os3_amount = 22.50;
   }
   if (form.os3.value == "26"){
   os3_amount = 23.40;
   }
   if (form.os3.value == "27"){
   os3_amount = 24.30;
   }
   if (form.os3.value == "28"){
   os3_amount = 25.20;
   }
   if (form.os3.value == "29"){
   os3_amount = 26.10;
   }
   if (form.os3.value == "30"){
   os3_amount = 27.00;
   }
   if (form.os3.value == "31"){
   os3_amount = 27.90;
   }
   if (form.os3.value == "32"){
   os3_amount = 28.80;
   }
   if (form.os3.value == "33"){
   os3_amount = 29.70;
   }
   if (form.os3.value == "34"){
   os3_amount = 30.60;
   }
   if (form.os3.value == "35"){
   os3_amount = 31.50;
   }
   if (form.os3.value == "36  Standard"){
   os3_amount = 27.00;
   }
   if (form.os3.value == "37"){
   os3_amount = 33.30;
   }
   if (form.os3.value == "38"){
   os3_amount = 34.20;
   }
   if (form.os3.value == "39"){
   os3_amount = 35.10;
   }
   if (form.os3.value == "40"){
   os3_amount = 36.00;
   }
   if (form.os3.value == "41"){
   os3_amount = 36.90;
   }
   if (form.os3.value == "42"){
   os3_amount = 37.80;
   }
   if (form.os3.value == "43"){
   os3_amount = 38.70;
   }
   if (form.os3.value == "44"){
   os3_amount = 39.60;
   }
   if (form.os3.value == "45"){
   os3_amount = 40.50;
   }
   if (form.os3.value == "46"){
   os3_amount = 41.40;
   }
   if (form.os3.value == "47"){
   os3_amount = 42.30;
   }
   if (form.os3.value == "48  Standard"){
   os3_amount = 36.00;
   }
   if (form.os3.value == "49"){
   os3_amount = 44.10;
   }
   if (form.os3.value == "50"){
   os03_amount = 45.00;
   }
   if (form.os3.value == "51"){
   os3_amount = 45.90;
   }
   if (form.os3.value == "52"){
   os3_amount = 46.80;
   }
   if (form.os3.value == "53"){
   os3_amount = 47.70;
   }
   }//end of os3 charge

   {
   if (form.os4.value == "12"){
   os4_amount = 9.00;
   }
   if (form.os4.value == "13"){
   os4_amount = 9.75;
   }
   if (form.os4.value == "14"){
   os4_amount = 10.50;
   }
   if (form.os4.value == "15"){
   os4_amount = 11.25;
   }
   if (form.os4.value == "16"){
   os4_amount = 12.00;
   }
   if (form.os4.value == "17"){
   os4_amount = 12.75;
   }
   if (form.os4.value == "18"){
   os4_amount = 13.50;
   }
   if (form.os4.value == "19"){
   os4_amount = 14.25;
   }
   if (form.os4.value == "20"){
   os4_amount = 15.00;
   }
   if (form.os4.value == "21"){
   os4_amount = 15.75;
   }
   if (form.os4.value == "22"){
   os4_amount = 16.50;
   }
   if (form.os4.value == "23"){
   os4_amount = 17.25;
   }
   if (form.os4.value == "24"){
   os4_amount = 18.00;
   }
   if (form.os4.value == "25"){
   os4_amount = 18.75;
   }
   if (form.os4.value == "26"){
   os4_amount = 19.50;
   }
   if (form.os4.value == "27"){
   os4_amount = 20.25;
   }
   if (form.os4.value == "28"){
   os4_amount = 21.00;
   }
   if (form.os4.value == "29"){
   os4_amount = 21.75;
   }
   if (form.os4.value == "30"){
   os4_amount = 22.50;
   }
   if (form.os4.value == "31"){
   os4_amount = 23.25;
   }
   if (form.os4.value == "32"){
   os4_amount = 24.00;
   }
   if (form.os4.value == "33"){
   os4_amount = 24.75;
   }
   if (form.os4.value == "34"){
   os4_amount = 25.50;
   }
   if (form.os4.value == "35"){
   os4_amount = 26.25;
   }
   if (form.os4.value == "36"){
   os4_amount = 27.00;
   }
   if (form.os4.value == "37"){
   os4_amount = 27.75;
   }
   if (form.os4.value == "38"){
   os4_amount = 28.50;
   }
   if (form.os4.value == "39"){
   os4_amount = 29.25;
   }
   if (form.os4.value == "40"){
   os4_amount = 30.00;
   }
   if (form.os4.value == "41"){
   os4_amount = 30.75;
   }
   if (form.os4.value == "42"){
   os4_amount = 31.50;
   }
   if (form.os4.value == "43"){
   os4_amount = 32.25;
   }
   if (form.os4.value == "44"){
   os4_amount = 33.00;
   }
   if (form.os4.value == "45"){
   os4_amount = 33.75;
   }
   if (form.os4.value == "46"){
   os4_amount = 34.50;
   }
   if (form.os4.value == "47"){
   os4_amount = 35.25;
   }
   if (form.os4.value == "48"){
   os4_amount = 36.00;
   }
   if (form.os4.value == "49"){
   os4_amount = 36.75;
   }
   if (form.os4.value == "50"){
   os4_amount = 37.50;
   }
   if (form.os4.value == "51"){
   os4_amount = 38.25;
   }
   if (form.os4.value == "52"){
   os4_amount = 39.00;
   }
   if (form.os4.value == "53"){
   os4_amount = 39.75;
   }
   if (form.os4.value == "54"){
   os4_amount = 40.50;
   }
   if (form.os4.value == "55"){
   os4_amount = 41.25;
   }
   if (form.os4.value == "56"){
   os4_amount = 42.00;
   }
   if (form.os4.value == "57"){
   os4_amount = 42.75;
   }
   if (form.os4.value == "58"){
   os4_amount = 43.50;
   }
   if (form.os4.value == "59"){
   os4_amount = 44.25;
   }
   if (form.os4.value == "60"){
   os4_amount = 45.00;
   }
   if (form.os4.value == "61"){
   os4_amount = 45.75;
   }
   if (form.os4.value == "62"){
   os4_amount = 46.50;
   }
   if (form.os4.value == "63"){
   os4_amount = 47.25;
   }
   if (form.os4.value == "64"){
   os4_amount = 48.00;
   }
   if (form.os4.value == "65"){
   os4_amount = 48.75;
   }
   if (form.os4.value == "66"){
   os4_amount = 49.50;
   }
   if (form.os4.value == "67"){
   os4_amount = 50.25;
   }
   if (form.os4.value == "68"){
   os4_amount = 51.00;
   }
   if (form.os4.value == "69"){
   os4_amount = 51.75;
   }
   if (form.os4.value == "70"){
   os4_amount = 52.50;
   }
   if (form.os4.value == "71"){
   os4_amount = 53.25;
   }
   if (form.os4.value == "72"){
   os4_amount = 54.00;
   }
   if (form.os4.value == "73"){
   os4_amount = 54.75;
   }
   if (form.os4.value == "74"){
   os4_amount = 55.50;
   }
   if (form.os4.value == "75"){
   os4_amount = 56.25;
   }
   if (form.os4.value == "76"){
   os4_amount = 57.00;
   }
   if (form.os4.value == "77"){
   os4_amount = 58.75;
   }
   if (form.os4.value == "78"){
   os4_amount = 59.50;
   }
   if (form.os4.value == "79"){
   os4_amount = 60.25;
   }
   if (form.os4.value == "80"){
   os4_amount = 61.00;
   }
   if (form.os4.value == "81"){
   os4_amount = 61.75;
   }
   if (form.os4.value == "82"){
   os4_amount = 62.50;
   }
   if (form.os4.value == "83"){
   os4_amount = 63.25;
   }
   if (form.os4.value == "84"){
   os4_amount = 64.00;
   }
   if (form.os4.value == "85"){
   os4_amount = 64.75;
   }
   if (form.os4.value == "86"){
   os4_amount = 65.50;
   }
   if (form.os4.value == "87"){
   os4_amount = 66.25;
   }
   if (form.os4.value == "88"){
   os4_amount = 67.00;
   }
   if (form.os4.value == "89"){
   os4_amount = 67.75;
   }
   if (form.os4.value == "90"){
   os4_amount = 68.50;
   }
   if (form.os4.value == "91"){
   os4_amount = 69.25;
   }
   if (form.os4.value == "92"){
   os4_amount = 70.00;
   }
   if (form.os4.value == "93"){
   os4_amount = 70.75;
   }
   if (form.os4.value == "94"){
   os4_amount = 71.50;
   }
   if (form.os4.value == "95"){
   os4_amount = 72.25;
   }
   if (form.os4.value == "96"){
   os4_amount = 73.00;
   }
   }//end of os4 charge

   {
   if (form.os5.value == "12"){
   os5_amount = 9.00;
   }
   if (form.os5.value == "13"){
   os5_amount = 9.75;
   }
   if (form.os5.value == "14"){
   os5_amount = 10.50;
   }
   if (form.os5.value == "15"){
   os5_amount = 11.25;
   }
   if (form.os5.value == "16"){
   os5_amount = 12.00;
   }
   if (form.os5.value == "17"){
   os5_amount = 12.75;
   }
   if (form.os5.value == "18"){
   os5_amount = 13.50;
   }
   if (form.os5.value == "19"){
   os5_amount = 14.25;
   }
   if (form.os5.value == "20"){
   os5_amount = 15.00;
   }
   if (form.os5.value == "21"){
   os5_amount = 15.75;
   }
   if (form.os5.value == "22"){
   os5_amount = 16.50;
   }
   if (form.os5.value == "23"){
   os5_amount = 17.25;
   }
   if (form.os5.value == "24"){
   os5_amount = 18.00;
   }
   if (form.os5.value == "25"){
   os5_amount = 18.75;
   }
   if (form.os5.value == "26"){
   os5_amount = 19.50;
   }
   if (form.os5.value == "27"){
   os5_amount = 20.25;
   }
   if (form.os5.value == "28"){
   os5_amount = 21.00;
   }
   if (form.os5.value == "29"){
   os5_amount = 21.75;
   }
   if (form.os5.value == "30"){
   os5_amount = 22.50;
   }
   if (form.os5.value == "31"){
   os5_amount = 23.25;
   }
   if (form.os5.value == "32"){
   os5_amount = 24.00;
   }
   if (form.os5.value == "33"){
   os5_amount = 24.75;
   }
   if (form.os5.value == "34"){
   os5_amount = 25.50;
   }
   if (form.os5.value == "35"){
   os5_amount = 26.25;
   }
   if (form.os5.value == "36"){
   os5_amount = 27.00;
   }
   if (form.os5.value == "37"){
   os5_amount = 27.75;
   }
   if (form.os5.value == "38"){
   os5_amount = 28.50;
   }
   if (form.os5.value == "39"){
   os5_amount = 29.25;
   }
   if (form.os5.value == "40"){
   os5_amount = 30.00;
   }
   if (form.os5.value == "41"){
   os5_amount = 30.75;
   }
   if (form.os5.value == "42"){
   os5_amount = 31.50;
   }
   if (form.os5.value == "43"){
   os5_amount = 32.25;
   }
   if (form.os5.value == "44"){
   os5_amount = 33.00;
   }
   if (form.os5.value == "45"){
   os5_amount = 33.75;
   }
   if (form.os5.value == "46"){
   os5_amount = 34.50;
   }
   if (form.os5.value == "47"){
   os5_amount = 35.25;
   }
   if (form.os5.value == "48"){
   os5_amount = 36.00;
   }
   if (form.os5.value == "49"){
   os5_amount = 36.75;
   }
   if (form.os5.value == "50"){
   os5_amount = 37.50;
   }
   if (form.os5.value == "51"){
   os5_amount = 38.25;
   }
   if (form.os5.value == "52"){
   os5_amount = 39.00;
   }
   if (form.os5.value == "53"){
   os5_amount = 39.75;
   }
   if (form.os5.value == "54"){
   os5_amount = 40.50;
   }
   if (form.os5.value == "55"){
   os5_amount = 41.25;
   }
   if (form.os5.value == "56"){
   os5_amount = 42.00;
   }
   if (form.os5.value == "57"){
   os5_amount = 42.75;
   }
   if (form.os5.value == "58"){
   os5_amount = 43.50;
   }
   if (form.os5.value == "59"){
   os4_amount = 44.25;
   }
   if (form.os5.value == "60"){
   os5_amount = 45.00;
   }
   if (form.os5.value == "61"){
   os5_amount = 45.75;
   }
   if (form.os5.value == "62"){
   os5_amount = 46.50;
   }
   if (form.os5.value == "63"){
   os5_amount = 47.25;
   }
   if (form.os5.value == "64"){
   os5_amount = 48.00;
   }
   if (form.os5.value == "65"){
   os5_amount = 48.75;
   }
   if (form.os5.value == "66"){
   os5_amount = 49.50;
   }
   if (form.os5.value == "67"){
   os5_amount = 50.25;
   }
   if (form.os5.value == "68"){
   os5_amount = 51.00;
   }
   if (form.os5.value == "69"){
   os5_amount = 51.75;
   }
   if (form.os5.value == "70"){
   os5_amount = 52.50;
   }
   if (form.os5.value == "71"){
   os5_amount = 53.25;
   }
   if (form.os5.value == "72"){
   os5_amount = 54.00;
   }
   if (form.os5.value == "73"){
   os5_amount = 54.75;
   }
   if (form.os5.value == "74"){
   os5_amount = 55.50;
   }
   if (form.os5.value == "75"){
   os5_amount = 56.25;
   }
   if (form.os5.value == "76"){
   os5_amount = 57.00;
   }
   if (form.os5.value == "77"){
   os5_amount = 58.75;
   }
   if (form.os5.value == "78"){
   os5_amount = 59.50;
   }
   if (form.os5.value == "79"){
   os5_amount = 60.25;
   }
   if (form.os5.value == "80"){
   os5_amount = 61.00;
   }
   if (form.os5.value == "81"){
   os5_amount = 61.75;
   }
   if (form.os5.value == "82"){
   os5_amount = 62.50;
   }
   if (form.os5.value == "83"){
   os5_amount = 63.25;
   }
   if (form.os5.value == "84"){
   os5_amount = 64.00;
   }
   if (form.os5.value == "85"){
   os5_amount = 64.75;
   }
   if (form.os5.value == "86"){
   os5_amount = 65.50;
   }
   if (form.os5.value == "87"){
   os5_amount = 66.25;
   }
   if (form.os5.value == "88"){
   os5_amount = 67.00;
   }
   if (form.os5.value == "89"){
   os5_amount = 67.75;
   }
   if (form.os5.value == "90"){
   os5_amount = 68.50;
   }
   if (form.os5.value == "91"){
   os5_amount = 69.25;
   }
   if (form.os5.value == "92"){
   os5_amount = 70.00;
   }
   if (form.os5.value == "93"){
   os5_amount = 70.75;
   }
   if (form.os5.value == "94"){
   os5_amount = 71.50;
   }
   if (form.os5.value == "95"){
   os5_amount = 72.25;
   }
   if (form.os5.value == "96"){
   os5_amount = 73.00;
   }
   }//end of os5 charge
  form.amount.value = Dollar (form.base_amount.value*1 + os0_amount + os1_amount + os2_amount + os3_amount + os4_amount + os5_amount);
 }