function CalculateOrder(form)
{
  var cnt = 0;
  var sub = 0;
  var surcharge = 0;
  var products  = "";
  var skus  = "";

  if (form.p1.checked)
  {
    sub += parseFloat(UKcost1);
    products += title1+"  GBP "+ UKcost1 + "\r\n";
	skus +=sku1+"  GBP "+ UKcost1+": ";
  }

  if (form.p2.checked)
  {
    sub += parseFloat(UKcost2);
    products += title2+"  GBP "+ UKcost2 + "\r\n";
	skus +=sku2+" GBP "+ UKcost2+": ";
  }

  if (form.p3.checked)
  {
    sub += parseFloat(UKcost3);
    products += title3+"  GBP "+ UKcost3 + "\r\n";
	skus +=sku3+" GBP "+ UKcost3+": ";
  }

  if (form.p4.checked)
  {
    sub += parseFloat(UKcost4);
    products += title4+"  GBP "+ UKcost4 + "\r\n";
	skus +=sku4+" GBP "+ UKcost4+": ";
  }

  if (form.p5.checked)
  {
    sub += parseFloat(UKcost5);
    products += title5+"  GBP "+ UKcost5 + "\r\n";
	skus +=sku5+" GBP "+ UKcost5+": ";
  }

  if (form.p6.checked)
  {
    sub += parseFloat(UKcost6);
    products += title6+"  GBP "+ UKcost6 + "\r\n";
	skus +=sku6+" GBP "+ UKcost6+": ";
  }

  if (form.p7.checked)
  {
    sub += parseFloat(UKcost7);
    products += title7+"  GBP "+ UKcost7 + "\r\n";
	skus +=sku7+" GBP "+ UKcost7+": ";
  }

  if (form.p8.checked)
  {
    sub += parseFloat(UKcost8);
    products += title8+"  GBP "+ UKcost8 + "\r\n";
	skus +=sku8+" GBP "+ UKcost8+": ";
  }

  if (form.p9.checked)
  {
    sub += parseFloat(UKcost9);
    products += title9+"  GBP "+ UKcost9 + "\r\n";
	skus +=sku9+" GBP "+ UKcost9+": ";
  }

  if (form.p10.checked)
  {
    sub += parseFloat(UKcost10);
    products += title10+"  GBP "+ UKcost10 + "\r\n";
	skus +=sku10+" GBP "+ UKcost10+": ";
  }

  if (form.p11.checked)
  {
    sub += parseFloat(UKcost11);
    products += title11+"  GBP "+ UKcost11 + "\r\n";
	skus +=sku11+" GBP "+ UKcost11+": ";
  }

  if (form.p12.checked)
  {
    sub += parseFloat(UKcost12);
    products += title12+"  GBP "+ UKcost12 + "\r\n";
	skus +=sku12+" GBP "+ UKcost12+": ";
  }

  if (form.p13.checked)
  {
    sub += parseFloat(UKcost13);
    products += title13+"  GBP "+ UKcost13 + "\r\n";
	skus +=sku13+" GBP "+ UKcost13+": ";
  }

  if (form.p14.checked)
  {
    sub += parseFloat(UKcost14);
    products += title14+"  GBP "+ UKcost14 + "\r\n";
	skus +=sku14+" GBP "+ UKcost14+": ";
  }

  if (form.p15.checked)
  {
    sub += parseFloat(UKcost15);
    products += title15+"  GBP "+ UKcost15 + "\r\n";
	skus +=sku15+" GBP "+ UKcost15+": ";
  }

  if (form.p16.checked)
  {
    sub += parseFloat(UKcost16);
    products += title16+"  GBP "+ UKcost16 + "\r\n";
	skus +=sku16+" GBP "+ UKcost16+": ";
  }

  if (form.p17.checked)
  {
    sub += parseFloat(UKcost17);
    products += title17+"  GBP "+ UKcost17 + "\r\n";
	skus +=sku17+" GBP "+ UKcost17+": ";
  }

  if (form.p18.checked)
  {
    sub += parseFloat(UKcost18);
    products += title18+"  GBP "+ UKcost18 + "\r\n";
	skus +=sku18+" GBP "+ UKcost18+": ";
  }

  if (form.p19.checked)
  {
    sub += parseFloat(UKcost19);
    products += title19+"  GBP "+ UKcost19 + "\r\n";
	skus +=sku19+" GBP "+ UKcost19+": ";
  }

  if (form.p20.checked)
  {
    sub += parseFloat(UKcost20);
    products += title20+"  GBP "+ UKcost20 + "\r\n";
	skus +=sku20+" GBP "+ UKcost20+": ";
  }
  
  if (form.p21.checked)
  {
    sub += parseFloat(UKcost21);
    products += title21+"  GBP "+ UKcost21 + "\r\n";
	skus +=sku21+" GBP "+ UKcost21+": ";
  }

  if (form.p22.checked)
  {
    sub += parseFloat(UKcost22);
    products += title22+"  GBP "+ UKcost22 + "\r\n";
	skus +=sku22+" GBP "+ UKcost22+": ";
  }

  if (form.p23.checked)
  {
    sub += parseFloat(UKcost23);
    products += title23+"  GBP "+ UKcost23 + "\r\n";
	skus +=sku23+" GBP "+ UKcost23+": ";
  }

  if (form.p24.checked)
  {
    sub += parseFloat(UKcost24);
    products += title24+"  GBP "+ UKcost24 + "\r\n";
	skus +=sku24+" GBP "+ UKcost24+": ";
  }

  if (form.p25.checked)
  {
    sub += parseFloat(UKcost25);
    products += title25+"  GBP "+ UKcost25 + "\r\n";
	skus +=sku25+" GBP "+ UKcost25+": ";
  }

  if (form.p26.checked)
  {
    sub += parseFloat(UKcost26);
    products += title26+"  GBP "+ UKcost26 + "\r\n";
	skus +=sku26+" GBP "+ UKcost26+": ";
  }

  if (form.p27.checked)
  {
    sub += parseFloat(UKcost27);
    products += title27+"  GBP "+ UKcost27 + "\r\n";
	skus +=sku27+" GBP "+ UKcost27+": ";
  }

  if (form.p28.checked)
  {
    sub += parseFloat(UKcost28);
    products += title28+"  GBP "+ UKcost28 + "\r\n";
	skus +=sku28+" GBP "+ UKcost28+": ";
  }

  if (form.p29.checked)
  {
    sub += parseFloat(UKcost29);
    products += title29+"  GBP "+ UKcost29 + "\r\n";
	skus +=sku29+" GBP "+ UKcost29+": ";
  }

  if (sub<=10)
  {
  surcharge = 0;
  }
  if (sub<=25 && sub>10)
  {
  surcharge = 1.0;
  }
  if (sub<=50 && sub>25)
  {
  surcharge = 1.5;
  }
  if (sub<=80 && sub>50)
  {
  surcharge = 2.5;
  }
  if (sub<=150 && sub>80)
  {
  surcharge = 4.5;
  }
  if (sub>150)
  {
  surcharge = 6;
  }
  if (surcharge > 0)
  {
  sub = sub + parseFloat(surcharge);
  form.additionalcharge.value = parseFloat(surcharge);
  products += "PayPal Surcharge GBP "+ form.additionalcharge.value;
  skus += "PayPal Surcharge  GBP "+ form.additionalcharge.value;  
  }

  form.Products_Ordered.value = products;
  form.item_name.value = skus;

  form.Total_Value.value = parseFloat(sub).toFixed(2);

  form.Total_Price_to_be_Paid.value = parseFloat(form.Total_Value.value).toFixed(2);
  form.amount.value = form.Total_Value.value;
 }