var popupSlide 

window.addEvent('domready', function() {

	popupSlide = new Fx.Slide('popup');
	popupSlide.hide();
	if($('btn_tweetme')!=null)
	{
	    $('btn_tweetme').addEvent('click', function(e){
		    e.stop();
		    popupSlide.slideIn();
	    });
	}
	
	$('btn_cancel').addEvent('click', function(e){
		e.stop();
		popupSlide.slideOut();
	});
	
	$('btn_update').addEvent('click', function(e){
		sendMessage();
	});
});