//------------------------------------------------------------------------------------------------
// D:\Program Files\Macromedia\Flash MX 2004\en\First Run\Classes\mx\behaviors
// behaviors

var DCtrl = mx.behaviors.DepthControl;
DCtrl.sendToBack(mc);			// 将mc与最低深度交换
DCtrl.bringToFront(mc);			// 将mc与最高深度交换
DCtrl.sendBackward(mc);			// 将mc与下一个低深度交换
DCtrl.bringForward(mc);			// 将mc与下一个高深度交换
var dOrder = DCtrl.trackDepths(mc._parent);		// dOrder=[ {mc:a,depth:11}, {mc:b,depth:12}, {mc:c,depth:13} ];
var LowestMC = DCtrl.getInstanceAtLowest(mc._parent);	// Lowest 是 mc._parent 最低深度 MovieClip
var HighestMC = DCtrl.getInstanceAtHighest(mc._parent);	// HighestMC 是 mc._parent 最高深度 MovieClip
var LowerMC = DCtrl.getInstanceLowerThan(mc);		// LowerMC 是 mc 下一个低深度 MovieClip
var HigherMC = DCtrl.getInstanceHigherThan(mc);		// HigherMC 是 mc 下一个高深度 MovieClip