an other solution is to replace the command \label by \tag. If you put a label, it must be put after the tag command. This solution need amsmath.
\begin{equation} \int x \ dx \tag{ \rm{eq:1} } \end{equation} geoffroy -- ~ 'v' mailto: gpiroux_at_mac_dot_com // \\ Powered by GNU/Linux-ppc /( )\ http://lfs.linux-provider.net/ #112 ^'^