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see Redmine <a href="https://ebi-forecast.igb.illinois.edu/redmine/issues/1730">1730</a> and <a href="https://ebi-forecast.igb.illinois.edu/redmine/issues/1253">1253</a>
It seems like it would be cleaner to factor most of this code out into a .js file.  Since presumably this file would be used on every page, the include could go in the head section of layouts/application.html.erb (with a restriction that it be included only if a user is logged in).