Untitled

<script>
function validateloginform() {
var name = document.getElementById("username").value;
var password = document.getElementById("password").value;
if (name == null || name == "") {
    alert("Please enter valid userName");
    return false;
} else if (password.length < 6) {
    alert("Password must be at least 6 characters long.");
    return false;
}else
    {return true;
    }
}
$(document).ready(function(){
    // Set a variable, we will fill later.
    var value = null;

// On submit click, set the value
$('input[type="submit"]').click(function(){
    value = $(this).val();
});

// Use the set value in the submit function
$('form').submit(function (event)
{
    event.preventDefault();
    //alert(value);
    if(value == "LOGIN")
        {
        if (validateloginform()){
            alert('i want to call LoginServlet here');
        }
    else if (value == "FORGOT PASSWORD")
        window.location.href = "ChangePassword.html"

});});//ready function
</script>

</head>
 <body background="../Images/zebra_background.jpg">
        <p id="header"> ZMC Server</p>
        <div class="combine">
        <img class="logo" src="../Images/zebra_logo.png"><br>
        <text>Welcome To</text>
        <text1>Admin Console Login Page </text1>
   <!-- onsubmit="return validateloginform();" -->
    <form action="/zmcwebadmin/loginServlet" method="post"
         id="loginForm" name="loginform"> <!-- </form> -->

        <div class="usernameformat">
            <input type="text" name="username" class="userformat" id="username"
                placeholder="User Name"> <br> <input type="password"
                name="password" id="password" class="passformat" placeholder="Password">
        </div>

        <p class="rememberme">
            Remember me <img id="remember_me" onclick="changeRememberImage()"
                src="../Images/remember_me_off.png" width="28" height="20"
                style="float: right">
        </p><br>

        <input type="submit" class="buttonformat" value="LOGIN" id="btnlogin" name="btnlogin">

         <input
            type="submit" class="buttonformat" value="FORGOT PASSWORD" id="btnforgetpwd" name="btnforgetpwd">
    </form>

/**
* Servlet implementation class LoginServlet
*/
@WebServlet("/loginServlet")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
 * @see HttpServlet#HttpServlet()
 */
public LoginServlet() {
    super();
    // TODO Auto-generated constructor stub
}

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 */
  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    System.out.println("I am in doGet of LoginServlet");
    response.sendRedirect("/html/Loginpage.html");
}
/**
 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    System.out.println("I am in doPost of LoginServlet");
    String userName = request.getParameter("username");
    String passWord = request.getParameter("password");

    if(LoginDao.validate(userName, passWord))
    {
        HttpSession session=request.getSession();
        if(session.isNew())
           {
            //New session creation
              session=request.getSession(true);
           }
            else
            {
               session = request.getSession(false);
            }

         //setting attribute on session
         session.setAttribute("userName",userName);
         //send request to Welcome.jsp page
         //response.sendRedirect("/Dashboard.html");
         response.sendRedirect("/zmcwebadmin/dashBoardServlet");
         response.getWriter().write(String.valueOf(userName));
         System.out.println("I have connected to DB");
    }

    else
    {
        //response.sendRedirect("error.html");
        String data = "User name and password do not match";
        response.setContentType("text/plain");
        response.setCharacterEncoding("UTF-8");
        response.getWriter().write(data);
        /*RequestDispatcher rd = request.getRequestDispatcher("Loginpage.html"); -- This solution works
        rd.forward(request, response);*/
        //response.sendRedirect("Loginpage.html");

        request.setAttribute("error", "Unknown login, try again");
        doGet(request, response);

        System.out.println("I have not connected to server");
    }
 }
}