Another window added, note that I had to duplicate the layer with background property to made this picture, because having two objects on the same layer broke blur effect.<br><br><a href="http://ftpmerou.free.fr/inkscape/blurbackground-3.png">http://ftpmerou.free.fr/inkscape/blurbackground-3.png</a><br>

<a href="http://ftpmerou.free.fr/inkscape/blurbackground-3.svg">http://ftpmerou.free.fr/inkscape/blurbackground-3.svg</a><br>