anchor.diff:  <% @survey_search_query="Enter search terms" unless @survey_search_query -%>
   
   <ul class="sectionIcons">
  +	<!-- might be able to upload user surveys in future -->
     <!--<li><%#= icon "new", new_survey_path, "Upload New Survey", nil, "Upload New Survey" %></li>-->
     <!-- <li><%#= icon "view-all", all_files_path, nil, nil, "View All Files" %></li> -->
   </ul>
   <div class="show_basic" style="padding-right: 2em;">
     <div id="survey_selector">
  -<%# form_remote_tag(:update => "table", :url => '/surveys/view_variables',:complete =>"Element.toggle('survey_selector');Element.toggle('variable_selector')") do -%>
       <% form_tag(:action => "search_variables") do -%>
  +<!-- jquery grid experiment-->
         <%# form_tag(:action => "grid_view") do -%>
   
           <%= hidden_field_tag "page", 1 -%>
           <%= hidden_field_tag "per_page", 10 -%>
  +		<% if !logged_in? -%>
  +        <h2>Welcome, guest.  Please select some surveys and search for variables of interest to your research.  You can browse the metadata and see what is inside the MethodBox but only <%= link_to "registered users", signup_url, :onclick=>"if(#{REGISTRATION_CLOSED}==true){alert('registration is not currently open')};return false" -%> can add variables to their cart and download them.</h2><br/>		
  +<% else -%>
           <h2>Select some surveys, enter a search term and click the button to find some variables</h2><br/>
  +		<% end -%>
           <div style="position: relative;background-color:#ACCBE0;padding-top:5px;padding-bottom:5px;padding-left:5px;width:100%;height:60px;">
             <div style="position: absolute; ;top:1em;left:1em"><%= text_field_tag :survey_search_query, @survey_search_query,:onclick=>"javascript:$('survey_search_query').select();" %>
               <%= submit_tag 'Search selected surveys',:id => "search_button" %>
             </div>
  +<!-- jquery grid experiment -->
       <%#= submit_to_remote 'submit', 'JQ Grid', {:url=>{:controller => "variables", :action=> "grid_view"}} -%>
  -
  -    <%#*<div class="click_box_div" style="width:100px;height:30px;background-color:#00CC00;position: absolute; top:1em; right:1em;">%>
  -    <%#*<li class="click_box"><a href=""><span class="click_box_title">Variable Cart box</span></a></li>%>
  -    <%#*</div>%>
  -
  -    <%#*<div class="cssnav" style="position: absolute; top:1em; right:1em;">%>
  -    <%#*<a href="http://www.URL.com" title="Go to my variable cart">%>
  -    <%#*<img src="/images/downbtn.jpg" alt="Alternative text" />%>
  -    <%#= image_tag("famfamfam_silk/cart.png", :border => 0,:height => '32', :width => '32') -%>
  -    <%#*<span>%>
  -    <%#= session[:cart].items.size -%>
  -    <%#*variables%>
  -    <%#*</span></a>%>
  -    <%#*</div>%>
  +		<% if logged_in? -%>
             <div id="cart_button" style="position: absolute; top:1em; right:1em;">
               <%= render :partial => "cart_button" -%>
             </div>
  -    <%#*<ul class="sectionIcons" style="position: absolute; top:1em; right:1em;">%>
  -    <%#*<li>%>
  -    <%#= icon('edit', cart_path, "View Cart", nil, session[:cart].items.size.to_s + " Variables") -%>
  -    <%#*</li>%>
  -    <%#*</ul>%>
  -
  -    <%#*<br/>%>
  +		<% end -%>
             <div style="position: absolute; bottom:1em; left:1em;">Select:
               <%= link_to_function 'All', "$$('input.survey_checkbox').each(function(checkbox){selectDatasets(checkbox, true);})" %>
               ,&nbsp
  
positive.code: 
  
          <% if @surveys.public_methods.include?("page_count") %>
            <!-- only do the page links if the collection supports it -->
        <%#= render :partial => "layouts/paginate", :locals => { :collection => @surveys } -%>
          <% end %>
  
      <%#= render :partial => "assets/resource_list", :locals => { :collection => @surveys, :authorization_for_showing_already_done=>true } %>
          <div class="tabber">
            <% @survey_hash.each_key do |key| -%>
              <div class="tabbertab">
  
negative.code: 
      </div>
    </div>
  <!-- jquery grid experiment -->
    <%# form_tag(:action => "grid_view") do -%>
    <%#= submit_tag 'Show grid view',:id => "grid_button" %>
    <%# end -%>
  