Bug 193875 we can not get an entir url by IHTMLActionHandler
we can not get an entir url by IHTMLActionHandler, so word emitter dose not write the right url. now hyperlink drill through in word emitter doesn't work.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
public static final String htmlDecode( String s )
	{
		if ( s == null )
			return null;
		String sHtmlDecoded = s.replaceAll( "&#09;", "\t" ); 
		sHtmlDecoded = sHtmlDecoded.replaceAll( "<br>", "\n" ); 
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#13;", "\r" ); 
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#32;", " " );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#34;", "\"" );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#39;", "'" );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#60;", "<" );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#62;", ">" );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#96;", "`" );
		sHtmlDecoded = sHtmlDecoded.replaceAll( "&#38;", "&" );
		return sHtmlDecoded;
	}
	/**
	 * Initial the parameters class. Web.xml is in UTF-8 format. No need to do
	 * encoding convertion.
	 * 
	 * @param config
	 *            Servlet configuration
	 */
	public synchronized static void initParameters( ServletConfig config )
	{
		if ( !isInitContext )
		{
			ParameterAccessor.initParameters( config.getServletContext( ) );
		}
	}