// ==UserScript==
// @name            Hack Forums - Deny All Group Join Requests
// @namespace       Roger Waters
// @description     Denies all group join requests on UserCP. 
// @include         *hackforums.net/managegroup.php?action=joinrequests&gid=*
// @require         http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js
// @version         1.0
// @grant      none
// @downloadURL none
// ==/UserScript==
 
$(".thead").append('<a href="javascript:void(0);" style="float: right; padding-right: 10px;" id="removeAll" class="smalltext bitButton">Check All</a>');
$("#removeAll").on("click", function() {
    $(".checkbox[value='checked']").each(function() {
      $(this).attr("checked", "checked");
    });
});