Rename index file from indef.fr.txt to index.txt to dit Sphinx needs and adjusted conf file in consequence.
Moved images from fr/ to book/ so that images would be in central location for both en and fr books.
/* specific workarounds for Internet Explorer */
div.calpopup {
margin-left: 0px;
margin-top: 0px;
}
/* quick and dirty solution for pop to be
correctly displayed on right edge of window */
div.popupWrapper{
direction:rtl;
}