function unsetBillAddress(){

    document.getElementById("company_bill").value = ""; 
    document.getElementById("firstname_bill").value = ""; 
    document.getElementById("lastname_bill").value = ""; 
    document.getElementById("street_bill").value = ""; 
    document.getElementById("street_number_bill").value = ""; 
    document.getElementById("city_postal_bill").value = ""; 	
    document.getElementById("city_bill").value = ""; 	
    document.getElementById("country_bill").selectedIndex  = 0; 	
	
    $('#address_bill').slideToggle();

}