$linkOkstr = str_replace("~autoindex~",$GLOBALS['autoindex'],$linkOkstr);

<ul id="channel">{dede:channel type='top' currentstyle="<li id="taba~autoindex~" class="top1"><a href="~typelink~">~typename~</a></li>" }<li id="taba[field:global.autoindex/]"><a href="[field:typelink/]">[field:typename/]</a></li>{/dede:channel}</ul>