In Opera 11.61 which you are using, for some files which opera is not able to access the FileReader reports NOT_READABLE_ERR. The isFolder functions when the new instance is created:
HTML Code:
new window.wLive.Core.Html5FileUpload(fileMetadata, isDragAndDropSupported).isFolder(callback(isFolder))
objectLiteral fileMetadata:
{"name":"file.ext","extension":".ext","iconType":"Ext","size":100,"downlevel":false,"canResizeOnClient":false,"upType":"h5","isLocked":false}
boolean isDragAndDropSupported:
false
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