var login = function() {
  var username = $("#username").val();
  var password = $("#password").val();

  var dataString = "username=" + username + "&password=" + password+ "&login=";

  if ($.trim(username).length > 0 & $.trim(password).length > 0) {
  $.ajax({
    type: "POST",
    url: "http://localhost/login.php",
    data: dataString,
    crossDomain: true,
    cache: false,
    dataType : 'json',
    beforeSend: function() {
    $("#login").val('Connecting...');
    },
   success: function(json) {
    if (json != 'error') {

         alert(json);
         console.log(json);

        window.location="inde.html";
        $.each(json, function(i, field) {
            var idUser = field.idUser;
            var contactfirstname = field.contactfirstname;
            var contactmidlename = field.contactmidlename;
            var contactlastname = field.contactlastname;
            var username = field.username;

            $("#user").append("<input type='text' value='"+ idUser + "' disable='true'>"
            + "<input type='text' value='" +contactfirstname + "' disable='true'>"
            + "<input type='text' value='"+ contactmidlename + "' disable='true'>"
            +"<input type='text' value='"+ contactlastname + "' disable='true'>"
            +"<input type='text' value='"+ username + "' disable='true'>");

        });

          } else if (json == "error") {
           ons.notification.alert('Incorrect username or password.');
           location.reload();
         }
       }
     });
    }
  };