_elStyle = null; if(_styleFactory != null) _elStyle = new java.util.HashMap(); _csMap = null;
    public void setStylesheetFactory(org.xhtmlrenderer.css.sheet.StylesheetFactory styleFactory) {        _styleFactory = styleFactory;        //do not have to clear all maps here        _elStyle = null;        if(_styleFactory != null) _elStyle = new java.util.HashMap();        _csMap = null;    }