var p = new Object();
var e = new Object();
e["my"] = "center bottom-20"
e["at"] = "center top"
e["using"] = function (position, feedback) {
$(this).css(position);
$("<div>")
.addClass("arrow")
.addClass(feedback.vertical)
.addClass(feedback.horizontal)
.appendTo(this);
};
p["position"] = e;
p["show"] = { effect: "fade", delay: 800, duration: 10 };
return p