calculating bbox & coordinates for getfeatureinfo query with PHP

[Nelson Guda]

Calculating bbox & coordinates for getfeatureinfo query with PHP:

Well, nobody replied to my question about this, but in the meantime I  
found some other resources and figured it out.  I posted a short note  
about it on the google maps group here:
http://groups.google.com/group/Google-Maps-API/browse_thread/thread/ 
1da5ef9409649e4f/e6586f8fdf034e90#e6586f8fdf034e90

nelson