thanks for your reply.

I am incorporate this code in my time line

myMC1_mc.onRelease = function() {

    this.swapDepths(myMC2_mc);

};

myMC2_mc.onRelease = function() {

    this.swapDepths(myMC1_mc);

};

entire animation is stopped. I am try to in mouse over my animation is happend also bring to front another movie clip myMC2_mc

how can i do it.

please help anybody know how can i do this

I am incorprate this code nothings is happend

/*

USAGE:

    myMC.bringToFront();

    myMC.bringToFront({protect:[myMC2, myMC3]});

    The second form allows you to protect certain movieclips from having

    their stacking order affected. This is useful if you have some movieclips

    you want to stay in front of everything else. You pass the actual

    movieclip objects, not a string of the movieclip name.

*/

MovieClip.prototype.bringToFront = function(optionsObj:Object):Void{

    // define an array to hold a snapshot of the display list

    var displayList:Array = new Array();

    // traverse the current parent object's children

    for (var i:String in this._parent){

        // and only capture movieclips (not other properties) whose depth is greater than

        // the movieclip we're bringing to the front.

        // the _parent == this._parent is there to get around a strange bug I encountered

        // where we were digging into children's descendants. don't know why.

        if (typeof (this._parent[i]) == "movieclip"

                                    && this._parent[i]._parent == this._parent

                                    && this._parent[i].getDepth() > this.getDepth()){

            var includeItem:Boolean = true;

            // check to make sure this item is not one of the "protected" items

            for (var j:Number = 0; j < optionsObj.protect.length; j++){

                if (this._parent[i] == optionsObj.protect[j]){

                    includeItem = false;

                    break;

                }

            }

            // store it in the array.

            if (includeItem) displayList.push(this._parent[i]);

        }

    }

    // for (x in y) usually traverses the object backwards, so here we're

    // iterating over displayList in reverse, and just swapping the

    // original object's depth all the way up the list. Can't really think

    // of a more efficient way of doing this.

    for (var i:Number = displayList.length-1; i>=0; i--){

        this.swapDepths(displayList[i]);

    }

}