... it is the result of changing right to left and left to right ...
... fix for that ...
... in /templates/default/images rename all xxx_left.gif images to xxx_right.gif and all xxx_right.gif images to xxx_left.gif ...
... e.g. ...
... header_left.gif -> header_right.gif ...
... header_right.gif -> header_left.gif ...
... footer_left.gif -> footer_right.gif ...
... footer_right.gif -> footer_left.gif ...