var isCategoryShown = false;

function initMenu()
{
	$('catlist').style.opacity=0;
	$('browselink').observe('click', function(e) {
		e.stop();
		if(isCategoryShown)
		{
			new Effect.Opacity('catlist', { from: 1.0, to: 0, duration: 0.5 });
			
	
		}
		else
		{
			//new Fx.Tween($('catlist'), {duration: 500, transition: Fx.Transitions.Cubic.easeOut}).start('opacity', 0, 1);
			new Effect.Opacity('catlist', { from: 0, to: 1.0, duration: 0.5 });
			//$('catlist').style.opacity=1.0;
			//$('catlist').style.display = 'block';
		}
		isCategoryShown = ! isCategoryShown;
		//return false;
	});
}

Event.observe(window, 'load', initMenu, false);