Turning off generation of epub cover

["redlettucemail" <redlettucemail@mailscan.acenet.net.au>]

Is there an easy way to turn off the generation of a front cover? I have set up a DB 1.76 NS customisation that always generates a "cover.html". I've tried various options in the epub titlepage (where I have a template name="book.titlepage.recto" similar to the FO titlepage template) by adding a param value that lets a user select the cover on or off, but I'm lost.
 

What I'd like is to write in an option that allows: no "cover.html" to be generated; and exclude the associated cover image info from toc.ncx and content.opf. I can't follow the logic of covers in docbook.xsl. Any ideas please?

Thanks

Dave Gardiner