// JavaScript Document

function calculate()
{
   var subtotal    = 0;

   var num_100_1   = 0;
   var num_100_2   = 0;
   var num_100_3   = 0;
   var num_100_4   = 0;
   var num_100_5   = 0;
   var num_100_6   = 0;
   var num_100_7   = 0;
   var num_100_8   = 0;

   var num_200_1   = 0;

   var num_300_1a  = 0;
   var num_300_1b  = 0;
   var num_300_2   = 0;
   var num_300_4   = 0;
   var num_300_5a  = 0;
   var num_300_5b  = 0;
   var num_300_5c  = 0;

   var num_400_2   = 0;
   var num_400_3   = 0;
   var num_400_4   = 0;

   var num_500_1   = 0;

   var amount_100_1   = 0;
   var amount_100_2   = 0;
   var amount_100_3   = 0;
   var amount_100_4   = 0;
   var amount_100_5   = 0;
   var amount_100_6   = 0;
   var amount_100_7   = 0;
   var amount_100_8   = 0;

   var amount_200_1   = 0;

   var amount_300_1a  = 0;
   var amount_300_1b  = 0;
   var amount_300_2   = 0;
   var amount_300_4   = 0;
   var amount_300_5a  = 0;
   var amount_300_5b  = 0;
   var amount_300_5c  = 0;

   var amount_400_2   = 0;
   var amount_400_3   = 0;
   var amount_400_4   = 0;

   var amount_500_1   = 0;



   if (document.form1.C100_1.value != "")
   {
      num_100_1   = document.form1.C100_1.value;
   }
   if (document.form1.C100_2.value != "")
   {
      num_100_2   = document.form1.C100_2.value;
   }
   if (document.form1.C100_3.value != "")
   {
      num_100_3   = document.form1.C100_3.value;
   }
   if (document.form1.C100_4.value != "")
   {
      num_100_4   = document.form1.C100_4.value;
   }
   if (document.form1.C100_5.value != "")
   {
      num_100_5   = document.form1.C100_5.value;
   }
   if (document.form1.C100_6.value != "")
   {
      num_100_6   = document.form1.C100_6.value;
   }
   if (document.form1.C100_7.value != "")
   {
      num_100_7   = document.form1.C100_7.value;
   }
   if (document.form1.C100_8.value != "")
   {
      num_100_8   = document.form1.C100_8.value;
   }


   if (document.form1.C200_1.value != "")
   {
      num_200_1   = document.form1.C200_1.value;
   }


   if (document.form1.C300_1A.value != "")
   {
      num_300_1a   = document.form1.C300_1A.value;
   }
   if (document.form1.C300_1B.value != "")
   {
      num_300_1b   = document.form1.C300_1B.value;
   }
   if (document.form1.C300_2.value != "")
   {
      num_300_2   = document.form1.C300_2.value;
   }
   if (document.form1.C300_4.value != "")
   {
      num_300_4   = document.form1.C300_4.value;
   }
   if (document.form1.C300_5A.value != "")
   {
      num_300_5a   = document.form1.C300_5A.value;
   }
   if (document.form1.C300_5B.value != "")
   {
      num_300_5b   = document.form1.C300_5B.value;
   }
   if (document.form1.C300_5C.value != "")
   {
      num_300_5c   = document.form1.C300_5C.value;
   }


   if (document.form1.C400_2.value != "")
   {
      num_400_2   = document.form1.C400_2.value;
   }
   if (document.form1.C400_3.value != "")
   {
      num_400_3   = document.form1.C400_3.value;
   }
   if (document.form1.C400_4.value != "")
   {
      num_400_4   = document.form1.C400_4.value;
   }


   if (document.form1.C500_1.value != "")
   {
      num_500_1   = document.form1.C500_1.value;
   }


   amount_100_1   = num_100_1  * 440;
   amount_100_2   = num_100_2  * 125;
   amount_100_3   = num_100_3  * 125;
   amount_100_4   = num_100_4  * 440;
   amount_100_5   = num_100_5  * 125;
   amount_100_6   = num_100_6  * 125;
   amount_100_7   = num_100_7  * 11;
   amount_100_8   = num_100_8  * 125;

   amount_200_1   = num_200_1  * 95;

   amount_300_1a  = num_300_1a * 30;
   amount_300_1b  = num_300_1b * 135;
   amount_300_2   = num_300_2  * 58;
   amount_300_4   = num_300_4  * 40;
   amount_300_5a  = num_300_5a * 98;
   amount_300_5b  = num_300_5b * 195;
   amount_300_5c  = num_300_5c * 400;

   amount_400_2   = num_400_2  * 345;
   amount_400_3   = num_400_3  * 345;
   amount_400_4   = num_400_4  * 345;

   amount_500_1   = num_500_1 * 75;


   subtotal = amount_100_1 + amount_100_2 + amount_100_3 + amount_100_4 + amount_100_5 + amount_100_6 + amount_100_7 + amount_100_8 + amount_200_1 + amount_300_1a + amount_300_1b + amount_300_2 + amount_300_4 + amount_300_5a + amount_300_5b + amount_300_5c + amount_400_2 + amount_400_3 + amount_400_4 + amount_500_1;

   document.form1.subtotal.value = subtotal;
   
}