Get a javascript image/resource object for the given file/bytearray/bean/applet/form_element.
var image = plugins.images.getImage(byteArray);
var height = image.getHeight();
var contentType = image.getContentType();
var scaled_image = image.resize(30, 30);
var snapshot_image = plugins.images.getImage(forms.companyReports.elements.employeesChartBean);
var tempFile = plugins.file.createTempFile('bean_snapshot','.jpg')
plugins.file.writeFile(tempFile, snapshot_image.getData())
application.setStatusText('Wrote file: '+tempFile)