$( ".post" ).addClass( "design" );

$('#styleoff').click(function() { 

          if ($(this).val() != 1) {

            localStorage.setItem(ckname, myList[11].href); 

            myList[11].href="#"; 

            $(this).val(1); 

            $(this).text('Style on'); 

            document.body.style.backgroundColor = '#000';

            // ez itten 

            $( "#forum-posts-list" ).addClass( "design" );

          } else { 

            myList[11].href=localStorage.getItem(ckname); 

            localStorage.removeItem(ckname); 

            $(this).val(0); 

            $(this).text('Style off'); 

            document.body.style.backgroundColor = 'transparent';

            // meg ez itten

            $( "#forum-posts-list" ).removeClass( "design" );

          } 

        });   

<a rel="nofollow" class="sidebar c4" href="#">

<img src="http://fc03.deviantart.net/fs70/f/2012/354/c/d/steam___application_icon_by_ravenbasix-d5ol74m.png" alt="" width="96" pagespeed_url_hash="4231471309" data-pagespeed-onload="pagespeed.CriticalImages.checkImageForCriticality(this);" onload="var elem=this;if (this==window) elem=document.body;elem.setAttribute('data-pagespeed-loaded', 1)" /></a>

<br/>

<div id="sidebar-panel">

<br/>

<table>

<tr><td>C4nn1b4l696:</td>

<tr><td>wesker24:</td>

<td><a rel="nofollow" href="http://steamcommunity.com/id/15955756" target="_blank">Phoenix</a></td>

</tr><tr><td>zsoltia:</td>

<td><a rel="nofollow" href="http://steamcommunity.com/profiles/76561198034316976/" target="_blank">Bafy</a>

</td>

</tr>

</table>

$('#topic-information .sidebar').click(function () {

	$('#sidebar-panel').slideToggle('fast');

});

#topic-information .sidebar {

height:auto;

}



#topic-information .c4 {

background-color:transparent;

display:block;

border:0;

margin:-340px 0 0 -92px;

position:fixed;

}



#sidebar-panel {

padding-left:20px;

display:none;

overflow:auto;

width:250px;

height:500px;

position:fixed;

left:50%;

top:25%;

margin-left:-460px;

background:#000;

border:2px dashed #f3f3f3;

color:#fff;

text-align:left;

opacity:.8;

z-index:1001;

}



#sidebar-panel a {

color:orange;

}



#sidebar-panel a:hover {

color:red!important;

}