var validCoupons= new Array();

function toEuro()
{

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

  document.getElementById('price1').innerHTML = '€18.87';
  document.getElementById('pill1price1').innerHTML = '€0.32';
  document.getElementById('save1').innerHTML = '€0.00';

  document.getElementById('price2').innerHTML = '€31.47';
  document.getElementById('pill1price2').innerHTML = '€0.26';
  document.getElementById('save2').innerHTML = '€6.27';

  document.getElementById('price3').innerHTML = '€47.22';
  document.getElementById('pill1price3').innerHTML = '€0.26';
  document.getElementById('save3').innerHTML = '€9.39';

  document.getElementById('price6').innerHTML = '€75.58';
  document.getElementById('pill1price6').innerHTML = '€0.16';
  document.getElementById('save6').innerHTML = '€37.74';

  


  return true;
}

function toDollar()
{

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

  document.getElementById('price1').innerHTML = '$23.96';
  document.getElementById('pill1price1').innerHTML = '$0.40';
  document.getElementById('save1').innerHTML = '$0';

  document.getElementById('price2').innerHTML = '$39.96';
  document.getElementById('pill1price2').innerHTML = '$0.33';
  document.getElementById('save2').innerHTML = '$7.96';

  document.getElementById('price3').innerHTML = '$59.96';
  document.getElementById('pill1price3').innerHTML = '$0.33';
  document.getElementById('save3').innerHTML = '$11.92';

  document.getElementById('price6').innerHTML = '$95.96';
  document.getElementById('pill1price6').innerHTML = '$0.20';
  document.getElementById('save6').innerHTML = '$47.92';


  
  return true;
  
}

function toPound()
{

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

  document.getElementById('price1').innerHTML = '£15.50';
  document.getElementById('pill1price1').innerHTML = '£0.50';
  document.getElementById('save1').innerHTML = '£0.00';

  document.getElementById('price2').innerHTML = '£26.00';
  document.getElementById('pill1price2').innerHTML = '£0.00';
  document.getElementById('save2').innerHTML = '£5.00';

  document.getElementById('price3').innerHTML = '£39.00';
  document.getElementById('pill1price3').innerHTML = '£0.00';
  document.getElementById('save3').innerHTML = '£8.00';

  document.getElementById('price6').innerHTML = '£62.50';
  document.getElementById('pill1price6').innerHTML = '£0.00';
  document.getElementById('save6').innerHTML = '£31.00';

  return true;
}



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

    if(qty == 6 || qty == 9) {
	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= '£9.50';
    }
}

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]);
    }
  }


}