adding to a sortable_element

Am adding to a sortable list using Ajax, and to get the Scriptaculous effects to kick in after the add, the only way I have found is by re-executing sortable_element.

Can anyone suggest a better way of doing this, as the eval in here is not good.

<%= link_to_remote "Add",     :url => { :controller => "pages", :action => "add_fragment", :pid => pid, :index_size => index_size, :fid => fid },     :complete => "eval(decodeURIComponent(#{sortable_element 'frag_list', :url => sort_frag_pages_path, :complete => visual_effect(:highlight, 'frag_list'), :handle => 'handle'}).gsub('//',''));" %>

Thanks