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
* @return String
	 */
	public static final String htmlEncode( String s )
	{
		String sHtmlEncoded = ""; 
		if ( s == null )
		{
			return null;
		}
		StringBuffer sbHtmlEncoded = new StringBuffer( );
		final char chrarry[] = s.toCharArray( );
		for ( int i = 0; i < chrarry.length; i++ )
		{
			char c = chrarry[i];
			switch ( c )
			{
				case '\t' :
					sbHtmlEncoded.append( "&#09;" ); 
					break;
				case '\n' :
					sbHtmlEncoded.append( "<br>" ); 
					break;
				case '\r' :
					sbHtmlEncoded.append( "&#13;" ); 
					break;
				case ' ' :
					sbHtmlEncoded.append( "&#32;" ); 
					break;
				case '"' :
					sbHtmlEncoded.append( "&#34;" );