AJAX, LAMP, and liveDVD for a Linux-based camera, Andrey Filippov (Mar. 27, 2006)

Transparent images may be done using "live transparency". Mozilla based and MIE do this in way like this [text/javascript]:

  if(ua.ie) this.css.filter='alpha(opacity=' + opac + ')';
  else this.css.MozOpacity = parseInt(opac)/100;

Also you may find many worth things about dynamic html here: <http://dynapi.sourceforge.net/releases/dynapi-3.0.0-beta2/docs/docs/examples.html>