window.addEvent('domready', function() {
	if ($('coverlogin')){
		var panel = new Fx.Tween('coverlogin', {duration: 'long'});
	
		var panelHeight = $('coverlogin').getHeight();
	
		panel.start('height', 0);
	
		$('show_panel').addEvent('click', function(e) {
			panel.start('height', panelHeight);
		});
	
		$('hide_panel').addEvent('click', function(e) {
			panel.start('height', 0);
		});
	}
	
});