private boolean getBooleanAttribute(Attributes attrs,
private boolean getBooleanAttribute(String prototype, String slot, Attributes attrs,
    private boolean getBooleanAttribute(Attributes attrs,					String attr,					boolean default_value)    {	String attrstr = attrs.getValue(attr);	if (attrstr == null)	    return default_value;	else 	    return attrstr.equalsIgnoreCase("true");    }