for (var i = 0; i < points.length;i++){
var circle = new Kinetic.Circle({
x: points[i].x,
y: points[i].y,
radius: 7,
fill: "green",
stroke: "black",
name:i,
strokeWidth: 2
});
circle.on("click", function() {
alert(name); //here I want to get name of circle
});
layer.add(circle);
}