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
{
		HashSet parameterValues = null;
		String ISOParameterName = ( isUTF )
				? toISOString( parameterName )
				: parameterName;
		String[] ISOParameterValues = request
				.getParameterValues( ISOParameterName );
		if ( ISOParameterValues != null )
		{
			parameterValues = new HashSet( );
			for ( int i = 0; i < ISOParameterValues.length; i++ )
			{
				parameterValues.add( toUTFString( ISOParameterValues[i] ) );
			}
		}
		return parameterValues;
	}
	/**
	 * Convert UTF-8 string into ISO-8895-1
	 * 
	 * @param s
	 *            UTF-8 string
	 * @return
	 */
	protected static String toISOString( String s )
	{
		String ISOString = s;
		if ( s != null )
		{
			try