\let\hypernoname=\relax
\def\footnote@@"#1"#2{\makefootnote@{\hyperdef\hypernoname{footnote}{#1}%
                      {#1}}{#2}\hyperref\hypernoname{#1}\@sf\relax}
\def\footnote@@@#1{{${\number\footmarkcount@}$}\makefootnote@
   {\hyperdef\hypernoname{footnote}{\number\foormarkcount}%
   {${\number\footmarkcount@}$}}{#1}%
   \hyperref\hypernoname{\number\footmarkcount}%
   \global\advance\footmarkcount@ by 1 }