app/views/common/_search_form.html.erb
<%= form_tag jobs_path, :id => "search-form", :class => "search", :method => :get do %>
<%= text_field_tag :keyword, "", :title => "Search", :class => "text" %>
<%= submit_tag t(:search), :disable_with => t(:submiting), :class => "search-submit" %>
<% end %>