code: private boolean isInitialCall() {
  
          // return false in case the form was submitted already or the submit button was pressed or the index was changed
          return !(((getJsp().getRequest().getParameter(CmsDialog.PARAM_ACTION) != null)
              && (getJsp().getRequest().getParameter(CmsDialog.PARAM_ACTION).equals(
                  CmsDialog.PARAM_ACTION_VALUE_FOR_CHANGED_INDEX)))
              || ((getJsp().getRequest().getParameter("indexName.0")) != null));
      }
docs: Gets the information if the search form is in the inital state.<p>
  
  @return true, the search form is in the inital state. otherwise false