[Nirth]

function clearProperties(target:Object, recursive:Boolean):Void
{
    for (var propertyName:String in target)
    {
        var property:Object = target[propertyName];
        if(recursive) clearProperties(property);
        if(property instanceof MovieClip) property.removeMovieClip();
        else if(property instanceof TextField) property.removeTextField();
        else delete target[propertyName];
     }
}
clearProperties(_root, false);
clearProperties(_global, false);