Like the project RXBuild (http://ddlsmurf.github.com/rxbuild/regex.html), based on JS/CC and written by Eric Doughty-Papassideris, an existing Framework (e.g. - like in this case the Yahoo User Interface Library (http://developer.yahoo.com/yui/)) should be used to make the web environment looking more neaty and making it more dynamic (the current version is very static!)).