1:
<a href="search.php?action=user&userid=$posts[userid]{$SID_ARG_2ND}"><img src="{$style['imagefolder']}/search.gif" border="0" alt="{$LANG_MEMBERS_SEARCH}" title="{$LANG_MEMBERS_SEARCH}" /></a>
<a href="search.php?action=user&userid=$posts[userid]{$SID_ARG_2ND}">Suchen</a>