#97 private image names don't work

[Anonymous]

When a nick name has a non alfanumeric character the
private image doesn´t appear on the screen because
the name of the image has imcompatible characters.

Example

Nick:Raúl
Private image:raúl.gif
(/include/templates/openchat/images/icons/chatter/raúl.
gif)

elcorreoderaul(antispam)@yahoo.es