Untitled

<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="js/alertify.js"></script>
<link rel="stylesheet" type="text/css" href="css/alertify.css">
</head>
<body>
	<form id="form">

        <h3>Account</h3>
        <br />
        <label for="userName">User name *</label>
		<br />
        <input id="userName" name="userName" type="text" class="required">
		<br />
        <label for="password">Password *</label>
		<br />
        <input id="password" name="password" type="text" class="required">
		<br />
        <label for="confirm">Confirm Password *</label>
		<br />
        <input id="confirm" name="confirm" type="text" class="required">
        <p>(*) Mandatory</p>
		<input type="button" id="submit" onclick="checkFields()" value="OK">
	</form>

</body>
</html>
<script type="text/javascript">

function checkFields() {
var user = document.forms["form"]["userName"].value;
var password = document.forms["form"]["password"].value;
var confirm= document.forms["form"]["confirm"].value;

 if (user == "" || password == "" || confirm == "") {
        alert("Name must be filled out");
        return false;
    }

  if (password != confirm) {
  	 alertify.alert('Viga','Paroolid ei ühti!');
  }

var matches = password.match(/\d+/g);
if (matches == null) {
    alert('Parool peab sisestama vähemalt ühte numbrit');
}

}


</script>