Untitled

<html>
<head>
<link rel="stylesheet" type="text/css" href="select_style.css">
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
function fetch_select(val)
{
$.ajax({
type: 'post',
url: 'fetch_data.php',
data: {
get_option:val
},
success: function (response) {
document.getElementById("new_select").innerHTML=response;
}
});
}

</script>

</head>
<body>
<p id="heading">Select Subject for Timesheet</p>
<center>
<div id="select_box">
<select onChange="fetch_select(this.value);">
<option>Select Stream</option>
<?php
$host = 'localhost';
$user = 'xx';
$pass = 'zzz';
mysql_connect($host, $user, $pass);
mysql_select_db('sample');

$select=mysql_query("select stream from streamSub group by stream");
while($row=mysql_fetch_array($select))
{
echo "<option>".$row['stream']."</option>";
}

?>
</select>

<select id="new_select">
</select>
</div>
</center>
</body>
</html>

<?php
if(isset($_POST['get_option']))
{
$host = 'localhost';
$user = 'XX';
$pass = 'ZZZ';
mysql_connect($host, $user, $pass);
mysql_select_db('sample');

$stream = $_POST['get_option'];
$find=mysql_query("select subject from streamSub where  stream='$stream'");
while($row=mysql_fetch_array($find))
{
echo "<option>".$row['subject']."</option>";
}

exit;
}
?>