dryml tag wrapping for jquery accordion widget

gistfile1.erb

<!-- Expects a hash: with keys for the accordion divisions -> values an option list appropriate for tag 
     default tag is select-one-radio for belongs_to and check-many for other contexts
     example usage: <hjq-accordion options="&Location.all.group_by(&:country)" /> provides an accordion with
     check-many checkboxes grouped by country name if the context is a has_many :locations, :through ... type 
     of association.      
-->
<def tag="hjq-accordion" attrs="id, options, tag"><% 
  id ||= "accordion" 
  tag ||= if (refl = this_field_reflection)
	    if refl.macro == :belongs_to
              "select-one-radio"
            else
              "check-many" 
            end
          end -%>>
	<script>
		jQuery(function() {
  		jQuery( "#<%= id %>" ).accordion();
		});
	</script>
	<div id="#{id}">
	  <% for option in options.keys do -%>
			<h3 param="accordion-heading"><a href="#"><%= option %></a></h3>
			<div>
				<call-tag tag="&tag" param="#{option}.sub(&apos;?&apos;, &apos;&apos;).sub(&apos;.&apos;, &apos;-&apos;)}-tag" options="&options[option]" selected="this" merge />
			</div>
		<% end -%>
	</div>
</def>