ing="0" cellspacing="0"><tr><td class="detailHeaderName">PLAYHEAD_UPDATE</td><td class="detailHeaderType">Constant</td><td class="detailHeaderRule">&nbsp;</td></tr></table><div class="detailBody"><code>public static const PLAYHEAD_UPDATE:String = playheadUpdate</code><p></p></div><a name="constantDetail"></a><a name="PLAYING_STATE_ENTERED"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">PLAYING_STATE_ENTERED</td><td class="detailHeaderType">Constant</td><td c