need help to build php with-dom (win)

Hello everybody, served the whole net, read every piece of documentation i found, but still feel stupid. My last steps: 1. downloaded php binaries for win, but undefined functions xmldoc, xmldocfile 2. got xmllib and php sources 3. build php4 (supported by http://www.php.net/version4/win32build.php) and every thing was fine, but still no dom support. Every doc says "./configure --with-dom" , but no one tells me how to do the same thing on a winbox. Please, any help would be appreciated. Bye Jens