How to get the file path from HTML input form in Firefox 3

Question

We have simple HTML form with , like shown below:

  Attachment:         


        

Answer 1

For preview in Firefox works this - attachment is object of attachment element in first example:

           if (attachment.files)
             previewImage.src = attachment.files.item(0).getAsDataURL();
           else
             previewImage.src = attachment.value;