Bug 179636 [Smoke] Chart can not be previewed [0001]
Description: Chart can not be previewed Build number: 2.2.0.v20070328-0630 Steps to reproduce: 1. New a chart, preview. Expected result: Chart is displayed correctly. Actual result: Chart can not be previewed. Error log: N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
* 
	 * @param request
	 * @return
	 */
	public static boolean isShowNavigationbar( HttpServletRequest request )
	{
		boolean isNavigationbar = true;
		if ( "false".equalsIgnoreCase( getParameter( request, PARAM_NAVIGATIONBAR ) ) ) 
		{
			isNavigationbar = false;
		}
		return isNavigationbar;
	}
	/**
	 * Check whether show parameter dialog or not. Default to false.
	 * 
	 * @param request
	 * @return
	 */
	public static String getShowParameterPage( HttpServletRequest request )
	{
		return getParameter( request, PARAM_PARAMETER_PAGE );
	}
	/**
	 * Returns the application properties
	 * 
	 * @param context
	 * @param props
	 * @return
	 */