I found this ...
Advanced DHTML Popup | The Ultimate DHTML Popup Window Generator
you can download an exe (I checked it with Clam AV -- seemed OK -- AS IS NO WARRANTY) it worked in a stock Chromium Version 41.0.2272.76 Ubuntu 14.04 (64-bit). It is compatible with WINE it seems (if that matters to you).
Price of a license seems reasonable too
Advanced DHTML Popup Features
Ugly website
