I am trying to add a condition so a "back" button does not appear if
the user arrived at the current page directly from a link offsite
(eg., a link from a tweet). I do want the button to appear if the user
arrived at the page from another page on our site:
>From what I have read this seems like where I would use
url_options(ActionView::Helpers::URLHelper. The code below does not
work and I am uncertain why. Am I barking up the right tree or not
even in the ballpark?
<li><% unless request.env["HTTP_REFERER"] is not set or is blank %><%=
link_to image_tag("/images/icons/
mico_back.png"), :action=>"results_bounce" %><% end %></li>
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