function loadUrl(sUrl, sPlaceholder){
	//var a = new Ajax.Updater(sPlaceholder, sUrl);
	new Ajax.Request(sUrl, {
  		method: 'get',
  		onSuccess: function(transport) {
                        $('video').update(transport.responseText);
                        loadVideo();
			Effect.ScrollTo('video');				
  		}
});
}