<html><Head><script type="text/javascript">
function validate()
{
var age=document.getElementById("age").value;
var national=document.getElementById("national").value;
submitOK="true";
if (national != "Srilankan")
{
alert("Not eligible to vote");
submitOK="false";
}
else if (isNaN(age)||age <18)
{
alert("Not eligible to vote");
submitOK="false";
}
else
{
alert("Eligible for Voting");
}
if (submitOK=="false")
{
return false;
}
}
</script></Head><body>
<form action="hadler.php" onSubmit="return validate()">
<p><h2> Enter Your Details : </h2></p>
<p>Nationality : <input type="text" id="national" size="20"></p>
<p>Age : <input type="text" id="age" size="20"></p>
<input type="submit" value="Submit">
</form></body></html>

<?php
if (!empty($_POST["username"])) {
$username = $_POST['username'];
$password = $_POST['password'];
$query = "SELECT * FROM logininfo WHERE
username='$username' AND password='$password'";
$result = mysql_query($query)
or die("Could not perform query!");
if ($row = mysql_fetch_array($result,MYSQL_ASSOC))
{
session_start();
$_SESSION['username'] = $username;
header('Location:home.php');
} 
else {echo "You are not a valid user";}
mysql_close($conn);
?>
