Cant get toggle to work

Hi all
i have been trying to get this to work but can't
https://help.forumotion.com/t96460-category-toggle-script
i have done as it said and still cant get it to work
can some one help me please

My code i have is

Code:

<script type="text/javascript">
    function toggleLTcategory(cat) {
        var cid=cat.id;
        var button=document.getElementById('b'+cid);
        if (cat.style.display=='none') {
            cat.style.display='block';
            button.className='contract';
            my_setcookie('_' + cid, '', true);
        }
        else {
            cat.style.display='none';
            button.className='expand';
            my_setcookie('_' + cid, '1', true);
        }
    }

    jQuery(function () {
        x=jQuery('.topiclist .header').get();
        for (i=0; i<x.length; i++) {
            x[i].style.position='relative';
            var cid='c'+String(i+1);
            x[i].parentNode.nextSibling.setAttribute('id',cid);
            x[i].parentNode.nextSibling.style.display='block';
            var y='<div id="b'+cid+'" class="contract" onclick="toggleLTcategory(this.parentNode.parentNode.nextSibling);"></div>';
            x[i].innerHTML=x[i].innerHTML+y;
        }

cookies = document (.) cookie.split('; ');
        for (i in cookies) {
            if (cookies[i].charAt(0) == '_') {
                cookie = cookies[i].split('=');
                if (cookie[1] == '1') {
                    cid = cookie[0].substring(1);
                    if (document.getElementById(cid)) {toggleLTcategory(cid);}
                }
            }
        }
    });
    </script>

Ape

Have you added the CSS Code after you pasted the Java ?

Hi!

Have you followed the other steps correctly? Please also note that this tutorial does not support forums running on version phpBB 2.

Add in the description of the last forum Exemple: Trash / Garbage

ok i have worked it out i have played about with some things and got it working thank you guys