Misplaced Pages

    if(wgCanonicalSpecialPageName == "Contributions" && document.title.indexOf("for") != -1 && wgEnableAPI) {
        var li_list = document.evaluate('//div//ul/li, "(top)")]', document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); //Lists all of the contributions that are the most recent edits on a page.
        for(i=0;i<li_list.snapshotLength;i++) {
            var li = li_list.snapshotItem(i);
            var href = document.evaluate('a/@href', li, null, XPathResult.STRING_TYPE, null).stringValue;
            var oldid = href.split("&oldid=").split("&");
            var article = href.split("?title=").split("&");
            var req = sajax_init_object();
            req.open("GET", wgScriptPath + "/api.php?format=json&action=query&prop=revisions&rvlimit=2&rvstartid=" + oldid + "&titles=" + article, false);
            req.send(null);
            var info = formatResponse(eval("(" + req.responseText + ")"));
            if(info.revisions) {
                if(info.revisions) {
                    var oldrev = info.revisions.revid;
                    var link = makeLink("red", wgScript + "?title=" + article + "&action=edit&oldid=" + oldrev + "&script=rv", "revert");
                    li.appendChild(link);
                }
            }
        }
    }