[RESOLVED] remember check box selections...

[damasterjo]

<form method="post"> 
    <input type="checkbox" name="size[]" value="m">
             <input type="checkbox" name="size[]" value="l">
             <input type="checkbox" name="size[]" value="xl">
             <input type="submit" name="go" value"Submit This"> <strong>Tomato Margherita - </strong> fresh tomato, olive oil, fresh basil, oregano and mozzarella<br>
                <?if ($go and $HTTP_POST_VARS['size']){
                //$size = $HTTP_POST_VARS['size'];
                //echo $size[1];
                foreach ($size as $f) {
                echo $f."<br />";
                }                
                } ?>

when this is submitted it displays the correct info, but does not maintain the checked boxes...
here is the site
http://www.questfor3d.com/phptest/FoodOrder.php