var smoothOpacity=0.2;
var smoothObjs='';

function smoothAll () {
	smoothOpacity+=0.02;
	smoothObjs.each(function (obj) {
		obj.style.opacity=smoothOpacity;
		if (smoothOpacity<1)
			setTimeout(smoothAll,10);
	});
}
function smoothLoad () {
	smoothObjs=$$('.smooth');
	smoothAll();	
}
Event.observe(window, 'load', smoothLoad);