Advanced search: several improvements

- remove a side effect on script listening to the body (by removing an overly agressive top propagation on body listener)
- Submit on click outside of the criteria N°1381
- Do not auto submit when values do not changes N°1381	
- Open criteria on click on the bold part of the title was broken

SVN:trunk[5803]

js/search/search_form_criteria_hierarchical_key.js

@@ -55,7 +55,11 @@ $(function()
         _onGetData: function(oData)
         {
             var oCriteriaData = this._super(oData);
-            oCriteriaData.is_hierarchical = this.options.is_hierarchical;
+
+            if (null != oCriteriaData)
+			{
+                oCriteriaData.is_hierarchical = this.options.is_hierarchical;
+            }
 
             return oCriteriaData;
         },