diff --git a/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/template_erp5_xhtml_style.xml b/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/template_erp5_xhtml_style.xml
index ac874ddf20551671d96f94948dc0eb04dfb6563a..789ea7cccf470556f6a671263b575dbbfa1f49da 100644
--- a/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/template_erp5_xhtml_style.xml
+++ b/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/template_erp5_xhtml_style.xml
@@ -151,9 +151,17 @@ IDEAS:\n
                tal:attributes="name python: \'%s:method\' % (form_action, )" />\n
         <!-- Generic way of specifying http parameters -->\n
         <tal:block tal:repeat="parameter http_parameter_list/items">\n
-          <input tal:condition="python: parameter[1] is not None"\n
+          <tal:block tal:condition="python: same_type(parameter[1], [])">\n
+            <tal:block tal:repeat="list_item python: parameter[1]">\n
+              <input tal:condition="python: list_item is not None"\n
+                     tal:attributes="name python: \'%s:list\' % (parameter[0], );\n
+                                     value python: list_item;" type="hidden" />\n
+            </tal:block>\n
+          </tal:block>\n
+          <input tal:condition="python: not same_type(parameter[1], []) and parameter[1] is not None"\n
                  tal:attributes="name python: parameter[0];\n
                                  value python: parameter[1];" type="hidden" />\n
+\n
         </tal:block>\n
         <div id="main_bar">\n
           <span class="first">\n
diff --git a/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision b/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
index 613955421088a491231b1c6c7766f0f95a5c5824..dce6588ca1420a69eea5699f2ec5d666daf16a6a 100644
--- a/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
+++ b/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
@@ -1 +1 @@
-52
\ No newline at end of file
+36
\ No newline at end of file