var validCoupons= new Array();

	validCoupons["HBC10"] = 0.1;
	validCoupons["SAVE10NOW"] = 0.1;
	validCoupons["CCONE"] = 0.1;
	validCoupons["save10now"] = 0.1;
	validCoupons["ccone"] = 0.1;
	validCoupons["SPECIALCUSTOMER"] = 0.1;

function applyCoupon()
{
  var coupon = document.getElementById('coupon_code').value;
  var coupon_applied = false;
  
  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]);
      document.getElementById('coupon_code_hidden').value = i;
      coupon_applied = true;
    }
  }

  if (!coupon_applied)
    alert('Invalid coupon!');
}

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