updateRecord.php

<?php

/* 
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 */

    define('INCLUDE_CHECK',true);

    require 'connect.php';
    require 'functions.php';
    
    echo "<script type='text/javascript'>alert('before if');</script>";
    if(mysql_escape_string($_POST['id'])) {
        $id = mysql_escape_string($_POST['id']);
        $sql = "UPDATE records SET firstname='".$_POST['firstname']."', lastname='".$_POST['lastname']."',address='".$_POST['address'].
                "', phone='".$_POST['phone']."', price='".$_POST['price']."' WHERE id='$id'";
        $retval = mysql_query( $sql, $link );

        if(! $retval ) {
           die('Could not delete data: ' . mysql_error());
        }

        echo "Deleted data successfully\n";
    }