SelfServicePlus.user.js

// ==UserScript==
// @name           SelfServicePlus
// @namespace      SelfServicePlus
// @match          http://astsih/SelfService/*
// @version        v1.0
// ==/UserScript==

// a function that loads jQuery and calls a callback function when jQuery has finished loading
function loadJQuery(callback) {
    var script = document.createElement("script");
    script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");
    script.addEventListener('load', function() {
        var script = document.createElement("script");
        script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
        document.body.appendChild(script);
    }, false);
    document.body.appendChild(script);
}

// the guts of this userscript
function main() {
    var customSelfServiceLaunch=0;
    // Note, jQ replaces $ to avoid conflicts.
    jQ('body').ajaxSuccess(function (event, requestData) {
        console.log (requestData.responseText);
    });
        
    function addNewButton() {
        newButton='<table cellspacing="0" class="x-btn   x-btn-text-icon x-item-disabled" style="width: auto;"><tbody class="x-btn-small x-btn-icon-small-left"><tr><td class="x-btn-tl"><i>&nbsp;</i></td><td class="x-btn-tc"></td><td class="x-btn-tr"><i>&nbsp;</i></td></tr><tr><td class="x-btn-ml"><i>&nbsp;</i></td><td class="x-btn-mc"><em class="" unselectable="on"><button type="button" class=" x-btn-text">Open Outlook Folder</button></em></td><td class="x-btn-mr"><i>&nbsp;</i></td></tr><tr><td class="x-btn-bl"><i>&nbsp;</i></td><td class="x-btn-bc"></td><td class="x-btn-br"><i>&nbsp;</i></td></tr></tbody></table>';
        saveButton=jQ(".x-panel-body.x-panel-body-noheader").find("iframe").contents().find("body").find("#WorkspaceFrame").find(".x-panel-tbar.x-panel-tbar-noheader").find(".x-toolbar-right").find(".x-toolbar-right-ct").find("table").eq(8).find(">:first-child").find(">:first-child").find(">:first-child");
        console.log("--");
        console.log(saveButton);
        console.log("--");
        jQ(".x-panel-body.x-panel-body-noheader").find("iframe").contents().find("body").find("#WorkspaceFrame").find(".x-panel-tbar.x-panel-tbar-noheader").find(".x-toolbar-right").find(".x-toolbar-right-ct").find("table").eq(8).find(">:first-child").find(">:first-child").find(">:first-child").before('<td class="x-toolbar-cell"><button>Open Outlook Folder</button></td>');
        saveButton.before("<h1>OO</h1>");
        jQ.each(saveButton, new function(i,v) { console.log("#"+i+": "+v); });
        saveButton.before(newButton);
    }
    
    // Capture XHR readystatechange
    (function(open) {
        XMLHttpRequest.prototype.open = function(method, url, async, user, pass) {
            this.addEventListener("readystatechange", function() {
                if (this.readyState==4 && this.status==200&&url=="http://astsih/SelfService/Services/FormService.asmx/GetFormValidationListData") {
                    r =JSON.parse(this.responseText);
                    if (r.d.Urgency!=null){
                        customSelfServiceLaunch++;
                        if (customSelfServiceLaunch==1) {
                            addNewButton();
                        }
                        setTimeout(function(){customSelfServiceLaunch=0;}, 1000);
                    }
                }
            }, false);
            open.call(this, method, url, async, user, pass);
        };
    })(XMLHttpRequest.prototype.open);
}

// load jQuery and execute the main function
loadJQuery(main);