Submitting Rails Form on a Radio Button Selection

Question

I have the following rails form (which works) but I want to remove the submit_tag and have the form submit as soon as a radio button selection is made. How do I do that?

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Answer 1

I am doing something similar so this question really helps.

Further to Ash's answer, I found that the above onclick function does not work, I have changed a bit and the form below work just fine to me:

<% form_tag({ :controller => "votes", :action => "create", :id => @item.id } ) do  %>
    <% for i in 1..10 do %>
      <%=  radio_button_tag :rating, i, false, :onclick => "this.form.submit();" %> <%=h i %> 
    <% end %>
<% end %>

Hope it would help somebody.