Untitled

<!DOCTYPE html>
<html>
<head>
  <title>Sign-up_page</title>
  <link rel="stylesheet" type="text/css" href="bootstrap.css">
  <script type="text/javascript">
              function validateForm(){
                  var username = document.getElementById("username").value;
                  var password = document.getElementById("password").value;
                  var e-mail = document.getElementById("e-mail").value;
                  if(username == null || username == ""){
                      alert("Enter your first name! ");
                      return false;
                  }
                  else if(password == null || password  == ""){
                      alert("Enter your password ");
                      return false;
                  }

                  else if (e-mail == null || e-mail == "")
                  {
                      alert("Enter your e-mail! ");
                      return false;
                  }

                      else return true;
                  }
          </script>

  </head>
<body>
  <div class="container">
    <form action="chooseDepartment.php" method="post" onsubmit="return validateForm()">

      <!--Username:
      <br>
        <input type="text" name="username"  placeholder="your  username " id = "username" >
      <br>-->


      <div class="form-group">
        <label for="exampleInputUsername">Username</label>
        <input type="text" class="form-control" name="username"  placeholder="Enter Username" required>
      </div>


      <!--Password:
      <br>
        <input type="password" name="password" placeholder = "your password" >
      <br>-->

      <div class="form-group">
        <label for="exampleInputPassword1">Password</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password" required>
      </div>


      <!--E-mail:
      <br>
        <input type = "email" placeholder="your e-mail" >
      <br>-->


      <div class="form-group">
        <label for="exampleInputEmail1">Email address</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Enter email" required>
      </div>


      <!--<br>
        <input type="submit" value="Register" >
      <br>-->

      <button type="submit" class="btn btn-primary btn-lg" value="Register">Submit</button>

    </form>
  </div>
</body>
</html>