Adding a back button script seems to be more meaningful placed in a widget area so it appears on all pages and posts. But, here it is in a post.
Although it looks pretty, it actually works if you put it in a Widget area.
Perl, MySQL, CGI scripting, web design, graphics following careers as an analytical chemist and educator, then in IT as a database administrator (DBA), programmer, and server administrator.
Diagnosed with Mitochondrial Myopathy in 1997.