document.observe("dom:loaded", function() {

	$$('#registreringsmelding p').each(function(s) { s.insert({ bottom: '<input type="button" id="lukkeknapp" value="Ok" style="float:right;">'}) });
	
	Event.observe($('lukkeknapp'), 'click', function() {
		new Effect.SlideUp('registreringsmelding', {duration: 0.5});
	});

});