<script type="text/javascript">
function checkTotal() {
document.listForm.total.value = '';
var sum = 0;
for (i=0;i<document.listForm.choice.length;i++) {
if (document.listForm.choice[i].checked) {
sum = sum + parseInt(document.listForm.choice[i].value);
}
}
document.listForm.total.value = sum;
}
</script>

<form name="listForm">

<div style="background-color:#fffcc0; font-family:Arial, Helvetica, sans-serif; color:#000000; padding:5px; margin:auto; width:400px; height:auto;"> 
<?php
$con = mysql_connect("localhost","root","");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}

mysql_select_db("studentrecord", $con);

$result = mysql_query("SELECT