Flash Player 6.
myLoadVars
.getBytesTotal()
None.
An integer.
Method; returns the total number of bytes that are downloaded by LoadVars.load() or LoadVars.sendAndLoad(). This method returns undefined
if no load operation is in progress or if a load operation has not yet begun. This method also returns undefined
if the number of total bytes can't be determined; for example, if the download was initiated but the server did not transmit an HTTP content-length.