Insert function insde blah...blah...blah...

How to insert this function inside

<?php function Ciusan_NBar(){ global $options; $options = get_option('Ciusan_NBar');
    if($options['CNB_Showing']=='yes'){ ?>
    <div class="Ciusan_NBar" style=" <?php if($options[CNB_FixedBar]=='yes'){echo 'position: fixed;';}elseif($options[CNB_FixedBar] == 'no'){echo 'position: absolute;'; } ?>!important;">
        <input id="hide" type="radio" name="bar" value="hide">
        <input id="show" type="radio" name="bar" value="show" checked="checked">

        <label for="hide">hide</label>
        <label for="show">show</label>

        <div class="Ciusan_NText"><?php echo $options['CNB_Content']; ?></div>
    </div>
<?php }} ?>