function oz_fadein(id, millisec) {
	var object = document.getElementById(id).style;
	var speed = Math.round(millisec / 100); 
	var timer = 0;
	if (object.visibility == false || object.visibility == 'hidden') {
		for(i = 0; i <= 100; i++) { 
			setTimeout("oz_Opac(" + i + ",'" + id + "')",(timer * speed)); 
			timer++; 
		}
	}
}
function oz_fadeout(id, millisec) {
	var object = document.getElementById(id).style;
	var speed = Math.round(millisec / 100); 
	var timer = 0;
	if (object.visibility == 'visible') {
		for(i = 100; i >= 0; i--) {
			setTimeout("oz_Opac(" + i + ",'" + id + "')",(timer * speed)); 
			timer++;
		}
	}
}
function oz_Opac(opacity, id) { 
    var object = document.getElementById(id).style;
	object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")";
	if (opacity >= 1) {object.visibility='visible';}
	else if (opacity <= 0) {object.visibility='hidden';}
}