Iam following according to the procedure provided in the link "http://experience-aem.blogspot.in/2013/12/aem-cq-56-adding-images-in-multifield.html" and using the same js file for adding images to a multifield,but am getting an error in the "imagemultifield.js" file at the line number-13 as"Cannot read property 'name' of undefined" .How can i clear the error and add the images to a multifield.?