rollback summaries + open talk

/* extra rollback links */
function CustomRollbacks() {
    var Buttons = [{
        text: 'spam',
        title: 'Revert spam',
        summary: 'Reverted [[w:c:help:Help:Spam|spam]]',
        loadtalk: true //Load up the users' talk page after rollbacking
    }, {
        text: 'vandalism',
        title: 'Revert vandalism',
        summary: 'Reverted [[w:c:help:Help:Vandalism|vandalism]]',
        loadtalk: true
    }, {
        text: 'null',
        title: 'Revert with no summary',
        summary: ' &bot=1', //This one has no summary, and flags it as a bot edit
        loadtalk: false
    }];

    var list = document.getElementsByTagName('span');
    for(i in list) {
        if(list[i].className == 'mw-rollback-link') {
            var link = list[i];
            var rollback = link.innerHTML;
            for(j in Buttons) {
                var customlink = document.createElement('span');
                customlink.innerHTML = rollback;
                customlink.className = 'customrollback'; //we do this to avoid an infinite loop, because when we insert a <span> into the DOM, the list variable includes it
                customlink.getElementsByTagName('a')[0].title = Buttons[j].title;
                customlink.getElementsByTagName('a')[0].href += '&summary=' + Buttons[j].summary;
                customlink.getElementsByTagName('a')[0].innerHTML = Buttons[j].text;
                if(Buttons[j].loadtalk == true) {customlink.getElementsByTagName('a')[0].className = 'loadtalk';}
                if(urlQuery('action') == 'history') {
                    link.parentElement.insertBefore(customlink, link.nextSibling);
                    customlink.outerHTML = ' | ' + customlink.outerHTML;
                }
                else {
                    link.parentElement.appendChild(customlink);
                    customlink.outerHTML = ' ' + customlink.outerHTML;
                }
            }
        }
    }
    for(i in list) { //why another one of these? we're fixing the class that we set to avoid an infinite loop
        if(list[i].className == 'customrollback') {
            list[i].className = 'mw-rollback-link';
        }
    }
    /* Grunny's function for opening up a user's talkpage when rollbacking (http://community.wikia.com/wiki/User:Grunny) */
    $( '.mw-rollback-link .loadtalk' ).click( function (e) {
        e.preventDefault();
        var $rblink = $( this );
        $.ajax( {
            url: $rblink.attr( 'href' ),
            success: function () {
                var user = $rblink.attr( 'href' ).replace( /.*[&?]from=([^&]*).*/, '$1' ).replace( /\+/g, '_' ),
                    newurl = wgServer + wgArticlePath.replace( '$1', 'User_talk:' + user + '?action=edit&section=new' );
                location.href = newurl;
            },
            error: function () {
                $rblink.text( function ( i, val ) {
                    return val + ' [failed]';
                } );
            }
        } );
    } );
}

addOnloadHook(CustomRollbacks);

/* URL parser */
function urlQuery(quer) {
    for(i in location.href.split('?')) {
        for(j in location.href.split('?')[i].split('&')) {
            if(location.href.split('?')[i].split('&')[j].split('=')[0] == quer) {
                return location.href.split('?')[i].split('&')[j].split('=')[1];
            }
        }
    }
    return '';
}