calling web service in jquery

calling web service in jquery

I am trying to call the web service web method using jquery ajax. But i dont what is the error in the following jquery script. can any one find the error and give the correct solution. Thanks in advance
  2. $.ajax({
  3. type: "POST",
  4. contentType: "application/json",
  5. url: "WebEmployee.asmx/employeeDetails",
  6. success: function (data) {
  7. //sucess function
  8. },
  9. error: function () {
  10. //error
  11. }