Bug 188502 Change labels in Export Report dialog
Can we consider changing the types in the drop down list in the Export Report dialog? doc to Word xls to Excel ppt to Powerpoint pdf to PDF postscript to PostScript
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
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
	 */
	public synchronized static Map initViewerProps( ServletContext context,
			Map props )
	{
		
		if ( props == null )
			props = new HashMap( );