Start position is always zero.  

```

When I put starting position, Internet Explorer 11 and google chrome ignores it 
and always plays video from begining. 

example:
http://dauten.server29.vorschauseite.eu/tubular


```

Original issue reported on code.google.com by `isabellk...@googlemail.com` on 25 Jul 2014 at 7:45
