Bug 168305 IsHostPage doesn't work for birt:report tag.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ReportTag.java
protected String __handleBody( String content )
	{
		String body = content;
		if ( content == null )
			return BLANK_STRING;
		try
		{
			Pattern p = Pattern.compile( "<\\s*body[^\\>]*\\>", 
					Pattern.CASE_INSENSITIVE );
			Matcher m = p.matcher( content );
			if ( m.find( ) )
			{
				int start = m.end( );
				int end = content.toLowerCase( ).indexOf( "</body>" ); 
				body = content.substring( start + 1, end );
			}
		}
		catch ( Exception e )
		{
			body = content;
		}
		
		body = body.replaceAll( "class=\"style", "class=\"style" 
				+ viewer.getId( ) );
		return body;
	}
	/**
	 * handle generate report content
	 * 
	 * @param out