var Ajax;
if (Ajax && (Ajax != null)) {
	Ajax.Responders.register({
	  onCreate: function() {
        if($('spinner') && Ajax.activeRequestCount>0)
          Effect.Appear('spinner',{duration:0.5,queue:'end'});
	  },
	  onComplete: function() {
        if($('spinner') && Ajax.activeRequestCount==0)
          Effect.Fade('spinner',{duration:0.5,queue:'end'});
	  }
	});
}

function initialize() {
	if(typeof pageinitialize == 'function') { 
		pageinitialize();
	}
	if (typeof effect == 'function') {
	    effect();
	}
}

function destroy() {
	if(typeof pagedestroy == 'function') { 
		pagedestroy();
	}
}