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dmix/gist:248814

Created December 4, 2009 03:58
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gistfile1.rhtml
#new.html.erb
<label>Username </label>
<%= f.text_field :username %><span id="username_message" class="live_validation"> </span>
<%= observe_field :form_username,
:url => { :controller => :live_validations, :action => :validate_username },
:frequency => 0.5,
:update => :username_message,
:with => "username" %>
</span>
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