function copyBillingAddress(){
	
	var form1=document.getElementById('form1');
	var b_street=form1.b_street.value;
	var b_city=form1.b_city.value;
	var b_state=form1.b_state.value;
	var b_zipCode=form1.b_zipCode.value;
	
	var s_street=form1.s_street.value=b_street;
	var s_city=form1.s_city.value=b_city;
	var s_state=form1.s_state.value=b_state;
	var s_zipCode=form1.s_zipCode.value=b_zipCode;

	}