Bug 200812 Issue when remove one separator setting in viewer.property[0002]
Description: Issue when remove one separator setting in viewer.property Build number:2.2.1.v200708220927 Steps to reproduce: 1. Deploy birt. 2. Open viewer.properties under WEB-INF folder. 3. Delete "viewer.sep.0=," line 4. Start server. 5. Preview report. 6. Export Data, select columns and select "Comma(,)", click OK. Expected result: Comma(,) isn't in the separator list. Actual result: Nothing happened after step6 and no error logs. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
*/
	public static boolean isShowToolbar( HttpServletRequest request )
	{
		boolean isToolbar = true;
		if ( "false".equalsIgnoreCase( getParameter( request, PARAM_TOOLBAR ) ) ) 
		{
			isToolbar = false;
		}
		return isToolbar;
	}
	/**
	 * Check whether show the navigationbar.
	 * 
	 * @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