function hideButterfly()
{
	$('butterfly').setStyle('display','none');
}

window.addEvent('domready', function(){
	$$('a.popup').each(function(el){
		el.addEvent('click', function(e){
			e = new Event(e).stop();
			window.open(el.href,'win','status=0, height=700, width=600');
		});
	});
});