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 Collection getSelectedColumns( HttpServletRequest request )
	{
		ArrayList columns = new ArrayList( );
		int columnCount = getParameterAsInt( request,
				PARAM_SELECTEDCOLUMNNUMBER );
		for ( int i = 0; i < columnCount; i++ )
		{
			String paramName = PARAM_SELECTEDCOLUMN + String.valueOf( i );
			String columnName = getParameter( request, paramName );
			columns.add( columnName );
		}
		return columns;
	}
	/**
	 * Check whether enable svg support or not.
	 * 
	 * @param request
	 *            http request
	 * @return whether or not render content toolbar
	 */
	public static boolean getSVGFlag( HttpServletRequest request )
	{
		boolean svg = false;
		if ( "true".equalsIgnoreCase( getParameter( request, PARAM_SVG ) ) ) 
		{
			svg = true;
		}
		return svg;