%= content_for :javascript do%>
$("#mixed_filter").show();
<%end%>
<%=text_field_tag :any_field,'', :id => "any_field_filter", :class => "mixed_alternative" %>
<%=text_field_tag :title,'', :id => "title_filter", :class => "mixed_alternative", :style => "display:none" %>
<%=text_field_tag :author,'', :id => "author_filter", :class => "mixed_alternative", :style => "display:none" %>