gist: 80227


  
    
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              <input type="hidden" id="x_something" value="1" />
 
<%= periodically_call_remote  :update => 'some shit',
                              :url => {:action => :action_name},
                              :condition => "$('x_something') == '1'",
                              :frequency => 2.0 %>
                              
                              
 
# then...
 
just set the hidden field to 0 or something else when you want it to stop
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