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.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ExpressionTreeSupport.java
textWidget.setFocus( );
		if ( text.endsWith( "()" ) ) 
		{
			textWidget.setCaretOffset( textWidget.getCaretOffset( ) - 1 ); 
		}
	}
	/**
	 * Adds drop support to viewer.Must set viewer before execution.
	 * 
	 */
	public void addDropSupportToViewer( )
	{
		Assert.isNotNull( expressionViewer );
		if ( dropTarget == null || dropTarget.isDisposed( ) )
		{
			final StyledText text = expressionViewer.getTextWidget( );
			dropTarget = new DropTarget( text, DND.DROP_COPY | DND.DROP_DEFAULT );
			dropTarget.setTransfer( new Transfer[]{
				TextTransfer.getInstance( )
			} );
			dropTargetAdapter = new DropTargetAdapter( ) {
				public void dragEnter( DropTargetEvent event )
				{
					text.setFocus( );
					if ( event.detail == DND.DROP_DEFAULT )
						event.detail = DND.DROP_COPY;
					if ( event.detail != DND.DROP_COPY )
						event.detail = DND.DROP_NONE;
				}
				public void dragOver( DropTargetEvent event )