
<!-- Hide this script from incompatible browsers!

var u1=0
var u2=0
var p1=0
var p2=0
var r1=0
var r2=0
var dif=0
 
function AsCurrStr(aNumber){
// NOTE: not meant for numbers over 9,999,999.99
  var s="0"
  var s1="0"
  var s2="0"
  var l=0
  var d=0
  s=String(aNumber)
  d=s.indexOf(".")
  s=s.substring(0,(d+3))
  l=s.length
  if(l>=7)
    {
      s1=s.substring(0,(d-3));
      s2=s.substring(d-3,l);
      s=s1+","+s2;
    }
  if(l>=10)
    {
      s1=s.substring(0,(d-6));
      s2=s.substring(d-6,l+1);
      s=s1+","+s2;
    }
  s="$"+s
  return s  
}

function CalcIt()
{
 if(document.calcform.price1.value==""||document.calcform.price2.value==""||document.calcform.units1.value==""||document.calcform.units2.value=="")
  {
    alert("PLEASE FILL IN ALL OF THE REQUIRED FIELDS.") 
  }
 else
  { 
    u1=document.calcform.units1.value
    u2=document.calcform.units2.value
    p1=document.calcform.price1.value
    p2=document.calcform.price2.value
    r1=p1/u1
    r2=p2/u2
    if(r1>r2)
      {
        dif=r1-r2
        document.calcform.results.value=" Price per unit of product 1 is "+r1+"\n"
        document.calcform.results.value=document.calcform.results.value+" Price per unit of product 2 is "+r2+"\n\n"
        document.calcform.results.value=document.calcform.results.value+" Your best value is product 2 at "+AsCurrStr(r2)+" per unit.\n\n"
        document.calcform.results.value=document.calcform.results.value+" That would be "+AsCurrStr(dif*100)+" savings for every 100 units purchased.\n\n"
        document.calcform.results.value=document.calcform.results.value+" Purchased once a week that would be "+AsCurrStr(dif*52*u2)+"\n in savings a year.\n"
        document.calcform.results.value=document.calcform.results.value+" Purchased once a month that would be "+AsCurrStr(dif*12*u2)+"\n in savings a year.\n"
      }
    if(r1<r2)
      {
        dif=r2-r1
        document.calcform.results.value=" Price per unit of product 1 is "+r1+"\n"
        document.calcform.results.value=document.calcform.results.value+" Price per unit of product 2 is "+r2+"\n\n"
        document.calcform.results.value=document.calcform.results.value+" Your best value is product 1 at "+AsCurrStr(r1)+" per unit.\n\n"
        document.calcform.results.value=document.calcform.results.value+" That would be "+AsCurrStr(dif*100)+" savings for every 100 units purchased.\n\n"
        document.calcform.results.value=document.calcform.results.value+" Purchased once a week that would be "+AsCurrStr(dif*52*u1)+"\n in savings a year.\n"
        document.calcform.results.value=document.calcform.results.value+" Purchased once a month that would be "+AsCurrStr(dif*12*u1)+"\n in savings a year.\n"
      }
    if(r1==r2)
      {
        document.calcform.results.value=" Price per unit of product 1 is "+AsCurrStr(r1)+"\n"
        document.calcform.results.value=document.calcform.results.value+" Price per unit of product 2 is "+AsCurrStr(r2)+"\n\n"
        document.calcform.results.value=document.calcform.results.value+" In this case the unit price is marginally different.\n"
      }
  }
}
//   Hide this script from incompatible browsers! -->