How to “include” a file?

<div id="apDivVistaMenus">

?php
include 'vmenu.php';
?>

  !-- Begin Vista-Buttons.com -->

  !-- End Vista-Buttons.com -->

  /div>

link href="../menu-files/peaceland_styles_zkkus.css" type="text/css" rel="stylesheet"/>

  script type="text/javascript"> var vbImgPath="../menu-files/"</script>

  script type="text/javascript" src="../menu-files/sczkkus.js"></script>

  noscript><a href="http://vista-buttons.com">Xp Style Menu by Vista-Buttons.com v2.73</a></noscript>

<div id="apDivVistaMenus">
<!-- Begin Vista-Buttons.com -->
<?php include 'vmenu.php'; ?>
<!-- End Vista-Buttons.com -->
</div>