var my_mcl:MovieClipLoader = new MovieClipLoader(); //Used to load the image
 
    button1_mc.onPress = function() {
    my_mcl.loadClip(movie1.swf, container_mc); //loading a movie into a container movie clip (just an empty mc on the stage)
    };
 
    button2_mc.onPress = function() {
    my_mcl.loadClip(movie2.swf, container_mc); //loading a movie into a container movie clip (just an empty mc on the stage)
    };
 
    var mclListener:Object = new Object();
    my_mcl.addListener(mclListener);
 
    //the three listeners below are optional
    mclListener.onLoadStart = function(container_mc:MovieClip) {
    //The listener tells this function that downloading the image has begun and to perform whatever code you put here
    };
    mclListener.onLoadError = function(container_mc:MovieClip, errorCode:String, httpStatus:Number) {
    // this function fires if there is an error in loading the movie
    trace(”loadListener.onLoadError()”);
    trace(”==========================”);
    trace(”errorCode: ” + errorCode);
    trace(”httpStatus: ” + httpStatus);
    }
    mclListener.onLoadComplete = function(container_mc:MovieClip) {
    //The listener tells this function that downloading the image has completed and to play whatever code is here
    }