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
* @return
	 */
	public static Number getDpi( HttpServletRequest request )
	{
		String dpi = getParameter( request, PARAM_DPI );
		if ( dpi == null || dpi.trim( ).length( ) <= 0 )
			return null;
		return Integer.valueOf( dpi );
	}
	/**
	 * Returns the separator String
	 * 
	 * @param sep
	 * @return
	 */
	public static char getSep( HttpServletRequest request )
	{
		String sepKey = getParameter( request, PARAM_SEP );
		if ( sepKey == null )
			return DEFAULT_SEP;
		String key = "viewer.sep." + sepKey; 
		String sep = getInitProp( key );
		if ( sep.length( ) <= 0 )
			return DEFAULT_SEP;
		return sep.charAt( 0 );
	}
	/**
	 * Set isCleanSessionFiles
	 * 
	 * @param request