return _qs.join('&');

};

/**

 * Load HTML into DOM using Ajax

 *

 * @param $target: load html async and place it (or an error message) here

 * @param success: success callback function

 * @param args: query parameters to pass to url

 */

function asynchtml(url, $target, success, args){

    if(args===undefined){

        args=null;

    }

    $target.html(_TM['Loading ...']).css('opacity','0.3');

    return $.ajax({url: url, data: args, headers: {'X-PARTIAL-XHR': '1'}, cache: false, dataType: 'html'})

        .done(function(html) {

                $target.html(html);

                $target.css('opacity','1.0');

                //execute the given original callback

                if (success !== undefined && success) {

                    success();

                }

            })

        .fail(function(jqXHR, textStatus, errorThrown) {

                if (textStatus == "abort")

                    return;

                $target.html('<span class="bg-danger">ERROR: {0}</span>'.format(textStatus));

                $target.css('opacity','1.0');

            })

        ;

};

var ajaxGET = function(url, success, failure) {

    if(failure === undefined) {

        failure = function(jqXHR, textStatus, errorThrown) {

                if (textStatus != "abort")

                    alert("Ajax GET error: " + textStatus);

            };

    }

    return $.ajax({url: url, headers: {'X-PARTIAL-XHR': '1'}, cache: false})

        .done(success)

        .fail(failure);

};

var ajaxPOST = function(url, postData, success, failure) {

    postData['_session_csrf_secret_token'] = _session_csrf_secret_token;

    var postData = _toQueryString(postData);

    if(failure === undefined) {

        failure = function(jqXHR, textStatus, errorThrown) {

                if (textStatus != "abort")

                    alert("Error posting to server: " + textStatus);

            };

    }

    return $.ajax({url: url, data: postData, type: 'POST', headers: {'X-PARTIAL-XHR': '1'}, cache: false})

        .done(success)

        .fail(failure);

};

/**

 * activate .show_more links

 * the .show_more must have an id that is the the id of an element to hide prefixed with _

 * the parentnode will be displayed

 */

var show_more_event = function(){

    $('.show_more').click(function(e){

        var el = e.currentTarget;

        $('#' + el.id.substring(1)).hide();

        $(el.parentNode).show();

    });

};

var _onSuccessFollow = function(target){

    var $target = $(target);

    var $f_cnt = $('#current_followers_count');

    if ($target.hasClass('follow')) {

        $target.removeClass('follow').addClass('following');

        $target.prop('title', _TM['Stop following this repository']);

        if ($f_cnt.html()) {

            var cnt = Number($f_cnt.html())+1;

            $f_cnt.html(cnt);

        }

    } else {

        $target.removeClass('following').addClass('follow');

        $target.prop('title', _TM['Start following this repository']);

        if ($f_cnt.html()) {

            var cnt = Number($f_cnt.html())-1;

            $f_cnt.html(cnt);

        }

    }

}

var toggleFollowingRepo = function(target, follows_repository_id){

    $.post(TOGGLE_FOLLOW_URL, args, function(data){

            _onSuccessFollow(target);

        });

    return false;

};

var showRepoSize = function(target, repo_name){

    var args = '_session_csrf_secret_token=' + _session_csrf_secret_token;

    if(!$("#" + target).hasClass('loaded')){

        $("#" + target).html(_TM['Loading ...']);

        var url = pyroutes.url('repo_size', {"repo_name":repo_name});

        $.post(url, args, function(data) {

            $("#" + target).html(data);

            $("#" + target).addClass('loaded');

        });

    }

    return false;

};

/**

 * load tooltips dynamically based on data attributes, used for .lazy-cs changeset links

 */

var get_changeset_tooltip = function() {

    var $target = $(this);

    var tooltip = $target.data('tooltip');

    if (!tooltip) {

        var raw_id = $target.data('raw_id');

        var repo_name = $target.data('repo_name');

        var url = pyroutes.url('changeset_info', {"repo_name": repo_name, "revision": raw_id});

        $.ajax(url, {

            async: false,

            success: function(data) {

                tooltip = data["message"];

            }

        });

        $target.data('tooltip', tooltip);

    }

    return tooltip;

};

/**

 * activate tooltips and popups

 */

var tooltip_activate = function(){

    function placement(p, e){

        if(e.getBoundingClientRect().top > 2*$(window).height()/3){

            return 'top';

        }else{

            return 'bottom';

        }

    }

    $(document).ready(function(){

        $('[data-toggle="tooltip"]').tooltip({

            container: 'body',

            placement: placement

        });

        $('[data-toggle="popover"]').popover({

            html: true,

            container: 'body',

            placement: placement,

            trigger: 'hover',

            template: '<div class="popover cs-popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'

        });

        $('.lazy-cs').tooltip({

            title: get_changeset_tooltip,

            placement: placement

        });

    });

};

/**

 * Quick filter widget

 *

 * @param target: filter input target

 * @param nodes: list of nodes in html we want to filter.

 * @param display_element function that takes current node from nodes and

 *    does hide or show based on the node

 */

var q_filter = (function() {

    var _namespace = {};

    var namespace = function (target) {

        if (!(target in _namespace)) {

            _namespace[target] = {};

        }

        return _namespace[target];

    };

    return function (target, $nodes, display_element) {

        var $nodes = $nodes;

        var $q_filter_field = $('#' + target);

        var F = namespace(target);

        $q_filter_field.keyup(function (e) {

            clearTimeout(F.filterTimeout);