Bug 138732 getValue fails
The following script fails on Data Element OnCreate if( this.getValue() < 70000){ this.getStyle().backgroundColor = "Purple"; }
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ImageItemExecutor.java
finishTOCEntry( );
		closeResultSet( );
		context.popContent( );
	}
	protected void handleImage( ImageItemDesign imageDesign,
			IImageContent imageContent )
	{
		
		switch ( imageDesign.getImageSource( ) )
		{
			case ImageItemDesign.IMAGE_URI : 
				String imageExpr = imageDesign.getImageUri( );
				if ( imageExpr != null )
				{
					handleURIImage( imageExpr, imageContent );
				}
				break;
			case ImageItemDesign.IMAGE_FILE : 
				String fileExpr = imageDesign.getImageUri( );
				assert fileExpr != null;
				handleFileExpressionImage( fileExpr, imageContent );
				break;
			case ImageItemDesign.IMAGE_NAME : 
				String imageName = imageDesign.getImageName( );
				assert imageName != null;
				handleNamedImage( imageName, imageContent );
				break;
			case ImageItemDesign.IMAGE_EXPRESSION : 
				
				String imgExpr = imageDesign.getImageExpression( );