Random case as3

[COLOR=#000000][FONT=verdana]i have MC and produce animation using statement [/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]switch (count) [/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]Case 1[/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]addChild(myMc1);[/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]Case 2[/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]addChild(myMc2);[/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]Case 3[/FONT][/COLOR]
[COLOR=#000000][FONT=verdana]addChild(myMc3);[/FONT][/COLOR]

[COLOR=#000000][FONT=verdana]//and i wanna make random myMC1,2,3,[/FONT][/COLOR]

[COLOR=#000000][FONT=verdana]tanks[/FONT][/COLOR]