function TestObj(id) {
   YAHOO.util.Event.onContentReady (id, this.handleOnAvailable, this); 
}

 TestObj.prototype.handleOnAvailable = function(me) {
 	YAHOO.util.Event.addListener('bd', 'click', clickEvent);
	YAHOO.gwstore.button.attachButtons();
	YAHOO.gwstore.menu.attachMenubar();
 }