code: @Override
      public void release() {
  	super.release();
  	type = SearchCollection.SEARCH_TYPE_SIMPLE;
  	maxrows = -1;
  	criteria = "";
  	startrow = 1;
  	collections = null;
  
  	category = EMPTY;
  	categoryTree = "";
  	status = null;
  	suggestions = SUGGESTIONS_NEVER;
  	contextPassages = 0;
  	contextBytes = 300;
  	contextHighlightBegin = "<b>";
  	contextHighlightEnd = "</b>";
  	previousCriteria = null;
  
  	// spellCheckMaxLevel=10;
  	// result=null;
  
      }
docs: private String result=null;