Untitled

<html>
<head>
<title>MY WEBPAGE</title>
</head>
<body>
<script>
  function submitFunction()
  {
    var x=document.forms["myform"]["username"].value;
    var y=document.forms["myform"]["pwd"].value;
   if(x==null||x==""||y==null||y=="")
    {
      alert("Both fields can't be empty.");

    }
   else
    if(x=="Srinivas")
    {
    if(y=="7899008899")
    {
        alert("Login Successfull.");
        return true;

    }
    else{
        alert("Password do not match");
        return false;
        }


   }
     else{
    alert("User don't match");
    return false;
}
    </script><form name="myform" action="index.html"                                          onsubmit="submitFunction()",method="post">
  Username: <input type="text" name="username"><br>
  Password:<input type="password" name="pwd"><br>
  <input type=  "submit" value="Submit">
  </form>
  </body>
  </html>