function fade(target, timer)
{
	target.alpha = 0;
	target.timer = (timer*1000)/50;
	
	target.fadeIn = function() {
		var target = this;
		this.i = setInterval(
				function() {
					if (target.alpha >= 100)
						clearInterval(target.i);
					target.setAlpha(target, target.alpha);
					target.alpha += 2;
				}, target.timer);
	}

	target.setAlpha = function(target, alpha) {
		target.style.filter = "alpha(opacity="+ alpha +")";
		target.style.opacity = alpha/100;
	}
	
	target.fadeIn();
}