Play button doesn't appear when MuseScore.com score not in view during load
S4 - Minor
1. Go to this page
2. In the same window, open at least two scores in multiple tabs (don't open them until they've all finished loading).
3. Open any of them.
Result: Play button doesn't appear in any scores.
Using Safari 5.0.5 - Mac 10.6.8.
This a bug report for MuseScore.com. You can file them on musescore.com in this group : http://musescore.com/group/1606
Thx a lot for this bug report!