Максим Люмен

<?php 
session_start();

if(isset($_SESSION['first_in'])){
    ?>
    <script src="libs/jquery/jquery-1.11.1.min.js"></script>
    <script src="common.js"></script>
    <script type='text/javascript'> 
        $(document).ready(function() {
            $('.hide').trigger('click');
        }); 
    </script>
<?php
}
$_SESSION['first_in'] = "first_in_ok";
?>