Bring to Front / Send to Back / Bring Forward / Send Backwards (Movieclip Arrange functions for AS3)

MovieClip.prototype.bringToFront = function():void {
	this.parent.setChildIndex(this, this.parent.numChildren-1);
}
MovieClip.prototype.sendToBack = function():void {
	this.parent.setChildIndex(this, 0);
}
MovieClip.prototype.bringForward = function():void{
	var currentDepth = this.parent.getChildIndex(this);
	if(currentDepth<this.parent.numChildren-1){
		this.parent.setChildIndex(this, currentDepth+1); 
	}
}
MovieClip.prototype.sendBackward = function():void{
	var currentDepth = this.parent.getChildIndex(this);
	if(currentDepth>0){
		this.parent.setChildIndex(this, currentDepth-1); 
	}
}
/*
blue.addEventListener(MouseEvent.MOUSE_UP, clicked);
green.addEventListener(MouseEvent.MOUSE_UP, clicked);
orange.addEventListener(MouseEvent.MOUSE_UP, clicked);
 
function clicked(e:MouseEvent){
	e.target.sendBackward();	
	//you also could say...
	// e.target.sendBackward();
	// e.target.bringForward();
	// e.target.sendToBack();
	// e.target.bringToFront();
}
*/