$(document).ready(
  function() {
    var triesbeforemsg = 0;
    var tries = 0;
    var password = "";
    var tmppassword = "";

    // Set the focus on the first input field
    $('form:first *:input[type!=hidden]:first').focus();
    // Handle press of enter. Could be handled by adding a hidden input submit but
    // this requires a lot of css tweaking to get it right since display:none does
    // not work on every browser. So go for the js way
    $('form input').keydown(function(e) {
        if(e.which == 13 || e.which == 10) {
            e.preventDefault();
            $("#sign-me-in").click();
        }
    });

    $("#sign-me-in").on("click", function () {
      $(this).text('Verifying');
      password = $("#srp_password")[0].value;
      tmppassword = password;

      //to get the legacy_salt & is not null, and confirm the username is adminusername, do migration
      var legacysalt = "";
      var aduser = "admin";
      if (("" != legacysalt) && (aduser == $("#srp_username")[0].value))
      {
          var hashObj = new jsSHA((legacysalt+tch.stringToHex(password)), "HEX");
          password = hashObj.getHash("SHA-1", "HEX");
      }
      var srp = new SRP();
      srp.success = function() {
        //when do migration the legacy_salt is null and current user is admin, do the reset pass operation
        if (("" != legacysalt) && (aduser == $("#srp_username")[0].value))
        {
          srp.generateSaltAndVerifierTheCallback($("#srp_username")[0].value, tmppassword, function(salt, verStr) {
            $.post("/login.lp", { CSRFtoken:$("meta[name=CSRFtoken]").attr("content"), salt:salt, verifier:verStr, resetpass:"1" },
              function reloadPage(){
                if (window.location.pathname.search(/\/login\.lp$/) == -1)
                  window.location.reload();
                else
                  window.location = "/";
              });
          });
        }
        else
        {
          if (window.location.pathname.search(/\/login\.lp$/) == -1)
            window.location.reload();
          else
            window.location = "/";
        }
      }
      srp.error_message = function() {
        $("#sign-me-in").text('Sign in');
        $("#erroruserpass").show();
        $(".control-group").addClass("error");

        tries++;
        if(triesbeforemsg > 0 && tries >= triesbeforemsg) {
            $("#defaultpassword").show();
        }
      }
      srp.identify("/authenticate", $("#srp_username")[0].value, password);
    });
  })