BlueCat Address Manager Restore Button

Additional Restore Button in Transaction Details in BlueCat Address Manager
换行
// ==UserScript==
// @name        BlueCat Address Manager Restore Button
// @description Additional Restore Button in Transaction Details in BlueCat Address Manager
// @namespace   *
// @include     */app*page=UndeleteListPage*
// @version     7
// @grant       none
// @author      Marius Galm
// @copyright   2018, Marius Galm
// @license		MIT
// @icon        https://www.bluecatnetworks.com/wp-content/uploads/2018/03/cropped-bluecat-favicon-32x32.png
// ==/UserScript==

if (document.readyState === "interactive" ) {
    var page = document.childNodes[2].nodeValue;
    switch(page) {
        case " Page: HistoryDetails ":
            addButton();
            break;
        default:
            // nothing for now
    }
}

function addButton() {
    var pane = document.getElementsByClassName("detailsPane");
    if ((pane !== undefined)||(pane != null)) {
        var tds = pane[0].getElementsByClassName("detailsPane-fieldName");
        if ((tds !== undefined)||(tds != null)) {
            var tdList = Array.prototype.slice.call(tds);
            tdList.forEach(function(element) {
                if (element.innerText.trim() == "Transaction Number:") {
                    var num = parseInt(element.id.split("_")[1])+1;
                    var idVar = document.getElementById("Any_"+num).innerHTML.trim();
                    document.getElementById("Any_"+num).innerHTML = idVar+'<p><a id="undeleteLink" name="undelete_hist_History:'+idVar+':0" href="/app?component=undeleteLink&amp;page=UndeleteListPage&amp;service=direct&amp;session=T&amp;sp=SformMode%3Dedit&amp;sp=StableClass%3Dcom.bluecatnetworks.proteus.data.History&amp;sp=StablePageName%3DUndeleteListPage&amp;sp=StableId%3DuserUndeleteList&amp;sp=Spage%3DUndeleteListPage&amp;sp=SextraOptionalValue%3DundeleteType%7Cnull%3BpageBeforeList%7Cnull&amp;sp=Suserspecific%3Dtrue&amp;sp=ShistoryId%3DHistory%3A'+idVar+'%3A0"><img src="/images/icons/small/undelete.gif" border="0"></a></p>';
                }
            });
        }
    }
}