document.onmouseover=showPopupText;

function toggle_collapse(objname, image, path) {
        obj = findobj(objname);
        imgobj = findobj(image);
        collapsed = getcookie("discuz_collapse");
        cookie_start = collapsed ? collapsed.indexOf(objname) : -1;
        cookie_end = cookie_start + objname.length + 1;

        if(obj.style.display == "none") {
                obj.style.display = "";
                imgobj.src = path + "collapsed_yes.gif";
            
                if(cookie_start != -1) collapsed = collapsed.substring(0, cookie_start) + collapsed.substring(cookie_end, collapsed.length);
        } else {
                obj.style.display = "none";
                imgobj.src = path + "collapsed_no.gif";
         
                if(cookie_start == -1) collapsed = collapsed + objname + " ";
        }

        expires = new Date();
        expires.setTime(expires.getTime() + (collapsed ? 86400 * 30 : -(86400 * 30 * 1000)));
        document.cookie = "discuz_collapse=" + escape(collapsed) + "; expires=" + expires.toGMTString() + "; path=/";
}

function getcookie(name) {
        var cookie_start = document.cookie.indexOf(name);
        var cookie_end = document.cookie.indexOf(";", cookie_start);
        return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}

<!--{if $key}--></table></td></tr></table><br><!--{else}--><br><!--{/if}-->

<!--{if $key}--></table></td></tr></tbody></table><br><br><!--{else}--><br><br><!--{/if}-->

<tr align="center"><td colspan="6" class="header"><a href="index.php?gid=$forum[fid]"><font color="{HEADERTEXT}"><span class="bold">$forum[name]</span></font></a></td></tr>

<tr align="center"><td colspan="6" class="header"><table cellspacing="0" cellpadding="0" width="100%"><tr><td class="bold"><a href="index.php?gid=$forum[fid]"><font color="{HEADERTEXT}"><span   class="bold">$forum[name]</span></font></a></td><td align="right"><img id="catimg_$forum[fid]" src="{IMGDIR}/{eval echo $closeforum[$forum[fid]][image]; }"  onclick="toggle_collapse('category_$forum[fid]', 'catimg_$forum[fid]', '{IMGDIR}/');"></td></tr></table></td></tr>

<!--{elseif $forum['permission']}-->

<tbody id="category_$forum[fid]" style="$closeforum[$forum['fid']]['status']">

<!--{if empty($gid) && ($_DCACHE['forumlinks'] || $whosonlinestatus)}-->

</tbody>

$forumlist = $catforumlist = $forums = $catforums = $categories = array();

$forumlist = $catforumlist = $forums = $catforums = $categories = $closeforum = array();
$hkn_close = $_COOKIE['discuz_collapse'] ? " ".urldecode($_COOKIE['discuz_collapse']) : NULL;

$forumname[$forum['fid']] = strip_tags($forum['name']);

if(strpos($hkn_close, "category_".$forum['fid'])) {
        $closeforum[$forum['fid']]['status'] =  "display:none";
         $closeforum[$forum['fid']]['image'] = "collapsed_no.gif";
    } else {
        $closeforum[$forum['fid']]['status'] = "";
        $closeforum[$forum['fid']]['image'] = "collapsed_yes.gif";
        
    }

<tr><td colspan="3" class="header"><img src="{IMGDIR}/indexicon.gif" align="absmiddle"> <span class="bold">{lang board_links}</span></td></tr>

<tr align="center">
        <td colspan="6" class="header">
        <table cellspacing="0" cellpadding="0" width="100%">
        <tr>
        <td colspan="3" class="header"><img src="{IMGDIR}/indexicon.gif" align="absmiddle">
         <span class="bold">{lang board_links}
         </span>
         <td align="right"><img id="catimg_$forum[fid]" src="{IMGDIR}/{eval echo $closeforum[$forum[fid]][image]; }"  onclick="toggle_collapse('category_$forum[fid]', 'catimg_$forum[fid]', '{IMGDIR}/');">
         </td>
         </td>
         </tr>
         </table>
         </td>
         </tr>
        <tbody id="category_$forum[fid]" style="$closeforum[$forum['fid']]['status']">

<!--{/if}-->

<!--{if empty($gid) && $whosonlinestatus}-->

</tbody>

<!--{if $detailstatus}-->
                &nbsp;<span class="bold">$onlinenum</span> {lang onlines} - <span class="bold">$membercount</span> {lang index_members}(<span class="bold">$invisiblecount</span> {lang index_invisibles}), <span class="bold">$guestcount</span> {lang index_guests} | {lang index_mostonlines} <span class="bold">$onlineinfo[0]</span> {lang on} <span class="bold">$onlineinfo[1]</span>.</td>
                <td align="right"><a href="index.php?showoldetails=no#online" style="color: {HEADERTEXT}">[{lang index_hideonlinedetails}]</a></td>
        <!--{else}-->
                &nbsp;{lang total} <span class="bold">$onlinenum</span> {lang onlines} | {lang index_mostonlines} <span class="bold">$onlineinfo[0]</span> {lang on} <span class="bold">$onlineinfo[1]</span>.</td>
                <td align="right"><a href="index.php?showoldetails=yes#online" style="color: {HEADERTEXT}">[{lang index_showonlinedetails}]</a></td>
        <!--{/if}-->

<!--{if $detailstatus}-->
                &nbsp;<span class="bold">$onlinenum</span> {lang onlines} - <span class="bold">$membercount</span> {lang index_members}(<span class="bold">$invisiblecount</span> {lang index_invisibles}), <span class="bold">$guestcount</span> {lang index_guests} | {lang index_mostonlines} <span class="bold">$onlineinfo[0]</span> {lang on} <span class="bold">$onlineinfo[1]</span>.</td>
                <td align="right">                <img border="0" src="{IMGDIR}/collapsed_yes.gif"  OnClick=top.location.href="index.php?showoldetails=no#online";></td>
        <!--{else}-->
                &nbsp;{lang total} <span class="bold">$onlinenum</span> {lang onlines} | {lang index_mostonlines} <span class="bold">$onlineinfo[0]</span> {lang on} <span class="bold">$onlineinfo[1]</span>.</td>
                <td align="right">                <img border="0" src="{IMGDIR}/collapsed_no.gif"   OnClick=top.location.href="index.php?showoldetails=yes#online";></td>
                </td>
        <!--{/if}-->