function getSurcharge() {
	//alert("calculating surcharge" + payform.amount.value / 100 * 4);
	amount = document.forms.payform.amount.value
	surcharge = amount / 100 * 4;
	if(surcharge < 5) {
		surcharge = 5
	}
	fixedsurcharge = surcharge.toFixed(2);
	
  	var elem = document.getElementById("surcharge");
  	elem.innerHTML = fixedsurcharge;
	 
	return true;
}