My initial refactor of the Hubski Enhancement Suite using jQuery and the module pattern.

HES-Refactor.js

// ==UserScript==
// @name          Hubski Enhancement Suite
// @namespace     http://joshparnham.com/
// @description   Several feature additions to Hubski.com
// @copyright     Josh Parnham 2013 (http://joshparnham.com/)
// @license       LGPL
// @author        joshparnham
// @include       http://hubski.com/*
// @include       https://hubski.com/*
// @version       0.2.1
// ==/UserScript==

/*
 * This function is here to provide cross-compatibility with chrome.
 * It injects this userscript into the page so it can access jQuery.
 *
 * Based off the function in this blog post:
 * http://erikvold.com/blog/index.cfm/2010/6/14/using-jquery-with-a-user-script
 */
function addScript(callback) {
    window.onload = function() {
        var script = document.createElement('script');
        script.textContent = '(' + callback.toString() + ')();';
        document.body.appendChild(script);
    }
}

function main() {
var currentUser = $('.topmaintitle').html();

// URLs
var feedURL = 'http://hubski.com/feed?id=';
var notificationURL = 'http://hubski.com/notifications?id=';
var mailboxURL = 'http://hubski.com/mail?id=';
var composeMailURL = 'http://hubski.com/sendmail';
var globalPostsURL = 'http://hubski.com/global?id=';
var communityURL = 'http://hubski.com/community';
var badgesURL = 'http://hubski.com/badgesubs';
var submissionURL = 'http://hubski.com/submit';
var preferencesURL = 'http://hubski.com/pref?id=';

// Conditional variables for seeing what page you're on
var isPost = false;
if(window.location.href.indexOf('pub') !== -1) {
    isPost = true;
}
var isNotifications = false;
if (window.location.href.indexOf('notifications') !== -1) { isNotifications = true;
}

//List of modules
var modules = {};

modules['shortcuts'] = (function() {
    'use strict';
    var Module = {
        init: function() { 
            feed = { currentNode:$('#grid > #unit:first'),feedIndex:-1};

            buildKeyMap();
            calcSelectColor();

            this.keyHandler = keyUpHandler.bind(this);
            $(document).on('keyup',this.keyHandler);
        },
        isLoaded: function() {
            return true;
        }
    };

    var keyMap = {};
    var feed,selectColor;
    var bgColorOffset = 0x111111;

    var generalShortKeys = {
        '49': // 1
            function() { window.location = globalPostsURL + '1'; },
        '50': // 2
            function() { window.location = globalPostsURL + '2'; },
        '51': // 3
            function() { window.location = globalPostsURL + '3'; },
        '52': // 4
            function() { window.location = globalPostsURL + '4'; },
        '53': // 5
            function() { window.location = globalPostsURL + '5'; },
        '54': // 6
            function() { window.location = globalPostsURL + '6'; },
        '55': // 7
            function() { window.location = globalPostsURL + '7'; },
        '56': // 8
            function() { window.location = globalPostsURL + '8'; },
        '57': // 9
            function() { window.location = globalPostsURL + '9'; },
        '66': // 'b"
            function() { window.location = badgesURL; },
        '67': // 'c"
            function() { window.location = communityURL; },
        '69': // 'e'
            function() { window.location = composeMailURL; },
        '70': // 'f'
            function() { window.location = feedURL + currentUser; },
        '71': // 'g'
            function() { window.location = globalPostsURL + '1'; },
        '77': // 'm'
            function() { window.location = mailboxURL + currentUser; },
        '78': // 'n'
            function() { window.location = notificationURL + currentUser; },
        '80': // 'p"
            function() { window.location = submissionURL; },
        '81': // 'q"
            function() { $('.maglink').click(); },
        '85': // 'u"
            function() { window.location = preferencesURL + currentUser; }
    };

    var postShortKeys = {
        '65': // 'a'
            function() { $('.longplusminus > a').click(); },
        '82': // 'r'
            function() { $('[name="text"]').focus(); },
        '83': // 's'
            function() { $('.titlelinks > a:contains("save")').click(); }
    };

    var notificationKeys = {
        '68': // 'd'
            function() { 
                var dismissURL = $('.simplemenu').find('a').attr('href');
                window.location.href = dismissURL;
            }
    };

    var feedShortKeys = {
        '13': // 'enter'
            function() {
                window.location = feed.currentNode.find('.feedtitle > a').attr('href');
            },
        's13': // 'shift+enter'
            function() {
                window.open(feed.currentNode.find('.feedtitle > a').attr('href'),'_blank');
                window.focus();
            },
        '65': // 'a'
            function() {
                if(feed.feedIndex!=-1) {
                    feed.currentNode.find('.plusminus>a').click();
                }
            },
        '72': // 'h'
            function() {
                if(feed.feedIndex!=-1) {
                    feed.currentNode.find('.savesplit>a:contains("hide")').click();
                }
            },
        '74': // 'j'
            function () {
                nextNode();
            },
        '75': // 'k'
            function() {
                prevNode();
            },
        '79': // 'o'
            function() {
                window.location = feed.currentNode.find('.feedtitle > a').attr('href');
            },
        's79': // 'shift+o'
            function() {
                window.open(feed.currentNode.find('.feedtitle > a').attr('href'),'_blank');
                window.focus();
            },
        '83': // 's'
            function() {
                if(feed.feedIndex!=-1) {
                    feed.currentNode.find('.savesplit>a:contains("save")').click();
                }
            }
    };

    function buildKeyMap() {
        $.extend(keyMap,generalShortKeys);
        if(isPost) {$.extend(keyMap,postShortKeys)};
        if(isNotifications) {$.extend(keyMap,notificationKeys)};
        if(!isPost&&!isNotifications) {$.extend(keyMap,feedShortKeys)};
    }

    //Feed navitgation functions
    function nextNode() {
        if(feed.currentNode.next().is('div.box')) {
            if(feed.feedIndex!=-1) {
                feed.currentNode.css('background-color','');
                feed.currentNode = feed.currentNode.next();
            }
            feed.currentNode.css('background-color',selectColor);
            feed.feedIndex++;
        }
    }

    function prevNode() {
        if(feed.currentNode.prev().is('div.box')) {
            feed.currentNode.css('background-color','');
            feed.currentNode = feed.currentNode.prev();
            feed.currentNode.css('background-color',selectColor);
            feed.feedIndex--;
        } else {
            feed.currentNode.css('background-color','');
            feed.feedIndex = -1;
        }
    }

    //Color Determination functions
    function calcSelectColor() {
        var bgColorAttr = $('body').css('background-color');
        
        if(bgColorAttr=='transparent') { //edge case for the snow hubski-style
            bgColorAttr='rgb(255, 255, 255)';
        }
        var originalBgColor = colorToHex(bgColorAttr);
        var parsedHexBgColor = originalBgColor.replace('#','');
        parsedHexBgColor = parseInt(parsedHexBgColor, 16);
        selectColor = '#'+((parsedHexBgColor - bgColorOffset).toString(16));
    }

    /*
     * Converting RGB color to hex
     * http://haacked.com/archive/2009/12/29/convert-rgb-to-hex.aspx
     */
    function colorToHex(color) {
        if (color.substr(0, 1) === '#') {
            return color;
        }
        var digits = /(.*?)rgb\((\d+), (\d+), (\d+)\)/.exec(color);
        
        var red = parseInt(digits[2]);
        var green = parseInt(digits[3]);
        var blue = parseInt(digits[4]);
        
        var rgb = blue | (green << 8) | (red << 16);
        return digits[1] + '#' + rgb.toString(16);
    }

    //Event handlers
    function keyUpHandler(e) {

        var code = e.keyCode;
        var shift = e.shiftKey;

        if(shift) {
            code = 's'+code;
        }

        // Make sure we're not handling keystrokes from inputs or textareas
        var tag = e.target.tagName.toLowerCase();
        if (tag == 'textarea' || tag == 'input') {
            return;
        }

        if(code in keyMap) {
            keyMap[code]();
        }
    }
    
    return Module;
}());

modules['collapsingComments'] = (function() {
    'use strict';
    var Module = {
        init: function() {
            insertCollapseButton();
            this.commentHandler = collapseHandler.bind(this);
            $('[name="collapseComments"]').on('click',this.commentHandler);
        },
        isLoaded: function() {
            if(isPost) {
                return true;
            } else {
                return false;
            }
        }
    };
    
    var buttonMap = {
        'â–¼ ':'â–¶ ',
        'â–¶ ': 'â–¼ '
    };

    function toggleComments(node) {
        node.find('.comm,.replytrigger').toggle();
        node.next('.subcom').toggle();
    }

    function insertCollapseButton() {
      $('<span name="collapseComments">â–¼ </span>').prependTo('span.comhead');
    }

    function toggleButton(node) {
        node.text(buttonMap[node.text()]);
    }

    function collapseHandler(event) {
        var commentButton = $(event.target);
        var commentDiv = commentButton.parents('.outercomm:first');
        
        toggleButton(commentButton);
        toggleComments(commentDiv);
    }

    return Module;
}());


modules['infiniteScroll'] = (function (){
    var Module = {
        init: function () {
            this.infiniteScrollHandler = scrollHandler.bind(this);
            $(window).on('scroll',this.infiniteScrollHandler);
        },
        isLoaded: function () {
            if(!isNotifications&&!isPost) {
                return true;
            } else { 
                return false;
            }
        }
    };
    
    function scrollHandler(event) {
        if($(window).scrollTop() == $(document).height() - $(window).height()) {
            if($('#loading').css('display')=='none') {
                $('#iscroll').click();
            }
        }
    }

    return Module;
}());

for(mod in modules) {
    if(modules[mod].isLoaded()) {
        modules[mod].init();
    }
}
}//main

addScript(main);