var stdMessagePopup = {
    containerId : 'stdMessagePopupContainer',
    popup       : new MessagePopup(),
    onContainerAvailable : function() {
        this.popup.container = document.getElementById(this.containerId);
        this.popup.display();
    }
};

YAHOO.util.Event.onAvailable(stdMessagePopup.containerId, stdMessagePopup.onContainerAvailable, stdMessagePopup, true);