AJAX Sample

var price = "10.99";
$.ajax({
  type: "POST",
  url: "some.php?action=updateprice",
  data: "price="+price,
  success: function(data) {
    alert("HELL YEH, IT WORKED");
  },
  error: function(data) {
    alert("OHHH NOO!!!");
  }
});