private static void appendStyleSheetURL(StringBuffer buffer, URL styleSheetURL) { if (styleSheetURL == null)
private static void appendStyleSheetURL(StringBuffer buffer, String styleSheet) { if (styleSheet == null)
	private static void appendStyleSheetURL(StringBuffer buffer, URL styleSheetURL) {		if (styleSheetURL == null)			return;		buffer.append("<head>"); //$NON-NLS-1$		buffer.append("<LINK REL=\"stylesheet\" HREF= \""); //$NON-NLS-1$		buffer.append(styleSheetURL);		buffer.append("\" CHARSET=\"ISO-8859-1\" TYPE=\"text/css\">"); //$NON-NLS-1$		buffer.append("</head>"); //$NON-NLS-1$	}