i can´t get this working. it did work in earlier beta-versions:
playing a timeline from a button outside or inside a symbol by only using javascript
var symbols = hypeDocument.symbolInstancesNamed('symbian');
for (var i = 0; i < symbols.length; i++) {
var symbolInstance = symbols[i];
symbolInstance.startTimelineNamed('rechtEck', hypeDocument.kDirectionForward);
}