button function the easy way

Hi,

I want to use the following function in my TinyMCE editor… is this possible?

<?php function buttonlink($url, $text){ ?>
<a class="button" href='<?php echo $url; ?>'>
                    <?php echo $text; ?>
                    <div class="TL"></div>
                    <div class="TR"></div>
                    <div class="BL"></div>
                    <div class="BR"></div>
                </a>
<?php }

The function works fine but I want to be able to enter a link and click a button or something so that it generates my button for the user without having to touch code.