A method for allowing a user-friendly localization of an entry form on an interactive web page includes providing an entry form having a plurality of editable input fields corresponding to a plurality of locale codes and providing at least one visible input field for display, wherein the remainder of the plurality of input fields are hidden until accessed. Data received are mapped to at least one input field selected from the plurality of input fields. As shown, data is transferred asynchronously to and from the plurality of editable input fields, without requiring updating any other information displayed on the web page. Computer systems, computer system environments, and computer programs available as a download or on a computer-readable medium for installation according to the invention are provided.