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
&& handle instanceof ReportItemHandle
					&& !( handle instanceof GridHandle ) )
			{
				result = (ReportItemHandle) handle;
			}
			return result;
		}
		return null;
	}
	/**
	 * Return the first DataSetHandle for a report item.
	 * 
	 * If the report item has no DataSetHandle, search for it's container if
	 * container is not a ListingHandle.
	 * 
	 * @param handle
	 *            the ReportItemHandle
	 * @return Available DataSetHandle
	 */
	public static DataSetHandle getFirstDataSet( DesignElementHandle handle )
	{
		DataSetHandle dataSetHandle = null;
		if ( handle instanceof ReportItemHandle )
		{
			dataSetHandle = ( (ReportItemHandle) handle ).getDataSet( );
		}
		if ( dataSetHandle == null )
		{
			for ( DesignElementHandle elementHandle = handle; elementHandle != null; elementHandle = elementHandle.getContainer( ) )
			{