var validCoupons= new Array();

function toEuro()
{

  document.getElementById('currency').value = 'euro';
  var qty = document.getElementById('quantity').value;

  document.getElementById('price1').innerHTML = '€39.34';
  document.getElementById('pill1price1').innerHTML = '€0.65';
  document.getElementById('save1').innerHTML = '€0.00';

  document.getElementById('price2').innerHTML = '€66.91';
  document.getElementById('pill1price2').innerHTML = '€0.59';
  document.getElementById('save2').innerHTML = '€11.77';

  document.getElementById('price3').innerHTML = '€102.35';
  document.getElementById('pill1price3').innerHTML = '€0.57';
  document.getElementById('save3').innerHTML = '€15.67';

  document.getElementById('price6').innerHTML = '€125.97';
  document.getElementById('pill1price6').innerHTML = '€0.53';
  document.getElementById('save6').innerHTML = '€70.73';

  document.getElementById('price9').innerHTML = '€173.23';
  document.getElementById('pill1price9').innerHTML = '€0.36';
  document.getElementById('save9').innerHTML = '€102.15';
  
  document.getElementById('shipd2').innerHTML = '€23.59';

  if(qty == 4 || qty == 6) {
	document.getElementById('shipd1').innerHTML='€0.00';
  } else {
	document.getElementById('shipd1').innerHTML = '€11.77';
  }

  return true;
}


function toPound()
{

  document.getElementById('currency').value = 'pound';
  var qty = document.getElementById('quantity').value;

  document.getElementById('price1').innerHTML = '£32.50';
  document.getElementById('pill1price1').innerHTML = '£0.50';
  document.getElementById('save1').innerHTML = '£0.00';

  document.getElementById('price2').innerHTML = '£55.00';
  document.getElementById('pill1price2').innerHTML = '£0.50';
  document.getElementById('save2').innerHTML = '£9.50';

  document.getElementById('price3').innerHTML = '£84.50';
  document.getElementById('pill1price3').innerHTML = '£0.50';
  document.getElementById('save3').innerHTML = '£13.00';

  document.getElementById('price6').innerHTML = '£104.00';
  document.getElementById('pill1price6').innerHTML = '£0.50';
  document.getElementById('save6').innerHTML = '£58.50';

  document.getElementById('price9').innerHTML = '£143.00';
  document.getElementById('pill1price9').innerHTML = '£0.50';
  document.getElementById('save9').innerHTML = '£84.50';
  return true;
}


function toDollar()
{

  document.getElementById('currency').value = 'dollar';
  var qty = document.getElementById('quantity').value;

  document.getElementById('price1').innerHTML = '$49.95';
  document.getElementById('pill1price1').innerHTML = '$0.83';
  document.getElementById('save1').innerHTML = '$0';

  document.getElementById('price2').innerHTML = '$84.95';
  document.getElementById('pill1price2').innerHTML = '$0.75';
  document.getElementById('save2').innerHTML = '$14.95';

  document.getElementById('price3').innerHTML = '$129.95';
  document.getElementById('pill1price3').innerHTML = '$0.72';
  document.getElementById('save3').innerHTML = '$19.90';

  document.getElementById('price6').innerHTML = '$159.95';
  document.getElementById('pill1price6').innerHTML = '$0.67';
  document.getElementById('save6').innerHTML = '$89.80';

  document.getElementById('price9').innerHTML = '$219.95';
  document.getElementById('pill1price9').innerHTML = '$0.46';
  document.getElementById('save9').innerHTML = '$129.70';

  
  document.getElementById('shipd2').innerHTML = '$29.95';

  if(qty == 4 || qty == 6) {
	document.getElementById('shipd1').innerHTML='$0.00';
  } else {
	document.getElementById('shipd1').innerHTML = '$14.95';
  }

  return true;
  
}

function setQuantity(qty)
{
    document.getElementById('quantity').value=qty;
    var currency = document.getElementById('currency').value;

    if(qty == 4 || qty == 6) {
	if(currency == 'dollar')
	  document.getElementById('shipd1').innerHTML='$0.00';
	else if(currency == 'euro')
	  document.getElementById('shipd1').innerHTML='€0.00';
	else 
	   document.getElementById('shipd1').innerHTML='£0.00';
    } else {
	if(currency == 'dollar')
	  document.getElementById('shipd1').innerHTML='$14.95';
	else if(currency == 'euro')
	  document.getElementById('shipd1').innerHTML= '€11.77';
	else 
	   document.getElementById('shipd1').innerHTML='£11.77';
    }
}

function applyCoupon()
{
  var coupon = document.getElementById('coupon_code').value;
  
  
  for (var i in validCoupons) {
    if(i == coupon) {
      var couponVal = validCoupons[i]*100;
      document.getElementById('couponspan').innerHTML = '<span class="darkgreentext">You have availed '+couponVal+'% discount!</span>';
      document.getElementById('coupon').value = (1-validCoupons[i]);
    }
  }


}