Bug 187178 Remove Total.* from expression build
The Total java script object is no longer supported by BIRT. It should be removed from Expression builder.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
*/
	public static boolean isParameterGroup( Object transferSource )
	{
		
		
		return ( transferSource instanceof IDesignElement && ( ( (IDesignElement) transferSource ).getDefn( )
				.getName( )
				.equals( ReportDesignConstants.PARAMETER_GROUP_ELEMENT ) || ( (IDesignElement) transferSource ).getDefn( )
				.getName( )
				.equals( ReportDesignConstants.CASCADING_PARAMETER_GROUP_ELEMENT ) ) );
	}
	/**
	 * Get styles
	 * 
	 * @return Alphabetically sortted styles list.
	 */
	public static Iterator getStyles( )
	{
		return getStyles( new AlphabeticallyComparator( ) );
	}
	/**
	 * Get styles
	 * 
	 * @param comparator
	 * @return return styles list sortted with given comparator.
	 */
	public static Iterator getStyles( Comparator comparator )
	{
		List styles = null;
		if ( SessionHandleAdapter.getInstance( ).getReportDesignHandle( ) instanceof ReportDesignHandle )