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
EmbeddedImage embeddedImage = context.getReport( ).getReportDesign( )
				.findImage( imageName );
		if ( embeddedImage != null )
		{
			imageContent.setData( embeddedImage.getData( context.getDesign( )
					.getModule( ) ) );
			String extension = FileUtil.getExtFromType( embeddedImage
					.getType( context.getDesign( ).getModule( ) ) );
			if ( extension != null )
			{
				imageContent.setExtension( extension );
			}
			imageContent.setURI( imageName );
		}
	}
	protected void handleValueImage( String imgExpr, String fmtExpr,
			IImageContent imageContent )
	{
		byte[] imgData = null;
		String imgExt = "";
		imageContent.setImageSource( IImageContent.IMAGE_EXPRESSION );
		Object value = context.evaluate( imgExpr );
		if ( value instanceof byte[] )
		{
			imgData = (byte[]) value;
		}
		if ( fmtExpr != null )
		{
			Object strValue = context.evaluate( fmtExpr );
			if ( strValue != null )