var millisec = 250;
function fadein(id)
{
	var speed = Math.round(millisec / 100);
	var timer = 0;
	for(i = 0; i <= 99; i++) {
		setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
		timer++;
	}

}
function fadeout(id)
{
	var speed = Math.round(millisec / 100);
	var timer = 0;
	for(i = 99; i >= 0; i--) {
		setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
		timer++;
	}
}
function changeOpac(opacity, id) {
	var object = $(id).style;
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}