A better solution for show/hide additional form info text.

This is based on the show/hide functionality already used in the
backend in various places with a nice no-js fallback.o

templates/2k11/admin/style.css

@@ -1477,12 +1477,22 @@ form > .button_link:first-of-type {
     height: 24px;
 }
 
-.entry_status {
+.entry_status,
+.field_info {
     background: #888;
+    -webkit-box-sizing: border-box;
+    -moz-box-sizing: border-box;
+    box-sizing: border-box;
     color: #fff;
     padding: 0 4px;
 }
 
+.field_info {
+    clear: both;
+    display: block;
+    margin: .75em 0 0;
+}
+
 #entries_list .entry_info .entry_status {
     float: right;
     margin: 0 .4em .75em 0;
@@ -1852,12 +1862,17 @@ input[name="serendipity[filter][fileCategory]"] {
     #uploadform .form_select select,
     #uploadform .form_field input,
     #serendipity_category fieldset legend,
-    #serendipity_category fieldset > .grouped {
+    #serendipity_category fieldset > .grouped,
+    .field_info {
         float: left;
         margin-right: 2%;
         width: 48%;
     }
 
+    .field_info {
+        margin: .85715em 2% 0 50%;
+    }
+
     .configuration_group .form_select select,
     .configuration_group .form_multiselect select,
     .configuration_group .form_field input,