How to find the ending position

programming flash
1

I want to play some animation after the sound file end. for example I add a sound file… that linkage name is snd

sound1=new Sound();
sound1.attachSound(“snd”);
sound1.start();

my name want to flash after the sound file come to end. I don’t know how to find the ending position. Please some one help me……

Flash MX 2004 Actionscript help needed!!!