I avoid web development. It is just much more of a pain in the rear end
than it should be. When I do web development, I test in Firefox. I
write valid XHTML and valid CSS. When I have to get something to work in
Internet Explorer, I curse.
So for future reference:
error: invalid character
can happen when one of the scripts which you reference does not
oops, scriptaculous.js doesn’t exist. Thank you Microsoft for writing
such excellent and accurate error messages. The quality of this software
continues to astound me.