The text in the HTML source listing should be: <A HREF="legend.gif"><B><IMG SRC="legicon.gif"
ALIGN=Bottom> Initial flow</B> and colour legend for vorticity.</A>
(in some cases, the <B> and ><A HREF="legend.gif"> are reversed, so that
the elements do not properly nest.)
The caption is slightly misleading, and should better read:
"... The picture overlaid on the browser resulted from clicking on the
image icon at the middle of the screen, while the movie-playing
window was launched by pressing on the icon at the bottom of
the screen. This .."
Some of the FORM INPUT elements do not have a NAME
attribute, which is an error: according to the HTML specifications,
all FORM content elements should take a NAME attribute. Note, however,
that this does not usually affect the display of the document, or
the processing of the form data (the browser simplyu assumes a null
value for the "name").
Credits
[1]: Thanks to C. Scott Sheffield. [5]: Thanks to Jim Pattee.
[7]: Thanks to Christopher Evans