Bug 143068 Update the way that viewer sets the image cache folder.
Use this code segment below to set image cache folder. HTMLRenderContext ctx = new HTMLRenderContext(); ctx.setImageDirectory("images"); HashMap map = new HashMap(); map.put(EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT, ctx); task.setAppContext(map); The one related to 132063
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
* @return
	 */
	public IGetParameterDefinitionTask createGetParameterDefinitionTask(
			IReportRunnable runnable )
	{
		IGetParameterDefinitionTask task = null;
		try
		{
			synchronized ( this.getClass( ) )
			{
				task = engine.createGetParameterDefinitionTask( runnable );
			}
		}
		catch ( Exception e )
		{
		}
		return task;
	}
	/**
	 * Open report document from archive,
	 * 
	 * @param docName
	 *            the name of the report document
	 * @param systemId
	 *            the system ID to search the resource in the document,
	 *            generally it is the file name of the report design
	 * @return the report docuement
	 */
	public IReportDocument openReportDocument( String systemId, String docName )
	{