Bug 137176 It takes unacceptable long time to render a report
Description: Get the attached report design, preview in report designer. It takes unacceptable long time to render a report, and users could not get the output finally. Even during the rending, the computer could not do anything else.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
*/
	public static final String INIT_PARAM_LOG_DIR = "BIRT_VIEWER_LOG_DIR"; 
	/**
	 * Servlet parameter name that gives the logging level.
	 */
	public static final String INIT_PARAM_LOG_LEVEL = "BIRT_VIEWER_LOG_LEVEL"; 
	/**
	 * Servlet parameter name that gives the repository location of the script
	 * files to run reports.
	 */
	public static final String INIT_PARAM_SCRIPTLIB_DIR = "BIRT_VIEWER_SCRIPTLIB_DIR"; 
	/**
	 * Servlet parameter name that determines the search strategy of searching
	 * report resources. True if only search the working folder, otherwise
	 * false.
	 */
	public static final String INIT_PARAM_WORKING_FOLDER_ACCESS_ONLY = "WORKING_FOLDER_ACCESS_ONLY"; 
	/**
	 * Servlet parameter name that gives the absolute resource location
	 * directory.
	 */
	public static final String INIT_PARAM_BIRT_RESOURCE_PATH = "BIRT_RESOURCE_PATH"; 
	/**
	 * UTF-8 encode constants.
	 */
	public static final String UTF_8_ENCODE = "UTF-8"; 
	/**
	 * ISO-8859-1 encode constants.
	 */
	public static final String ISO_8859_1_ENCODE = "ISO-8859-1";