var Orgatec = Class.create();
Orgatec.prototype = {

	initialize: function() {
		
		this.fadeOverlay();
	},
	
	fadeOverlay: function() {
		
		new Effect.Opacity($('overlay'), {
					from: 1.0,
					to: 0,
					duration: 5.0
			});
	}
}

Event.observe(window, 'load', function() {

	new Orgatec();
});

document.loaded(function(){
	$('overlay').setStyle({backgroundColor:'#000'});
});