startProcess("C:\\Program Files\\Mozilla Thunderbird\\thunderbird.exe"," ", "-turbo");

function startProcess(path,sps,args){
if (args.length) path +=(sps)?" "+ args:""+args ;

var file = Components
  .classes["@mozilla.org/file/local;1"]
  .createInstance(Components.interfaces.nsILocalFile);

file.initWithPath(path.substr (0, (sps)?path.length-++args.length:path.length-args.length));
    if(file.exists(path.substr (0,(sps)?path.length-++args.length:path.length-args.length))) file.launch();
             else custombuttons. alertBox ("Файл не найден", path);
};

/*Initialization Code*/
var menu = <menupopup xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
              xmlns:cb="http://xsms.nm.ru/custombuttons/"
              onclick="this. parentNode. handleClick (event);">
              
        <menuitem label="Set default download dir"
                  class="menuitem-iconic"
                  cb:open="0"/>

        <menuitem label="Скриншоты"
                  class="menuitem-iconic"
                  cb:open="C:\SCR\"/>

        <menuitem label="ICO для Custom Buttons"
                  class="menuitem-iconic"
                  cb:open="C:\Custom Buttons\База значков\"/>

        <menuitem label="Set new default download dir"
                  class="menuitem-iconic"
                  cb:open="1"/>
                  
      </menupopup>;


this.handleClick = function(event) {

    if(event.button == 0) {
// Действие при клике ЛКМ
alert (0);
    }
    else if(event.button == 1) {
        // Действие при клике СКМ
//*******************************************
this. appendChild (custombuttonsUtils. makeXML (menu));
this. type = "menu";
this. orient = "horizontal";

var menuitem = event. target;
var open = menuitem. getAttributeNS ("http://xsms.nm.ru/custombuttons/", "open");
//****************************************************
this. open = false;
mbMouse (open);        
    }
    else if(event.button == 2 && !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey) {
        // Действие при клике ПКМ без модификаторов

    }
};
this.oncontextmenu = function(event) {
    if(event.button == 2 && !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey) {
        // Блокируем контекстное меню при клике ПКМ без модификаторов
        this. open = false;
        event.preventDefault();
        event.stopPropagation();
    }
};

/*Initialization Code*/
// *************Start DEF*******************
//******Secion #1 ****************
var menu = <menupopup xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
              xmlns:cb="http://xsms.nm.ru/custombuttons/"
              onclick="this. parentNode. handleClick (event);">
        <menuitem label="Set default download dir"
                  class="menuitem-iconic"
                  cb:open="0"/>

        <menuitem label="Скриншоты"
                  class="menuitem-iconic"
                  cb:open="C:\SCR\"/>

        <menuitem label="ICO для Custom Buttons"
                  class="menuitem-iconic"
                  cb:open="C:\Custom Buttons\База значков\"/>

        <menuitem label="Set new default download dir"
                  class="menuitem-iconic"
                  cb:open="1"/>
                  
      </menupopup>;
//**************END seciom****************

//******Secion #2 ****************
this. appendChild (custombuttonsUtils. makeXML (menu));
this. type = "menu";
this. orient = "horizontal";
//**************END seciom****************

//******Secion #3 ****************
this.handleClick = function(event) {
    if(event.button == 0) {
    // Действие при клике ЛКМ
    alert (0);
//this. open = false;
    }
    else if(event.button == 1) {
        // Действие при клике СКМ
    var menuitem = event. target;
    var open = menuitem. getAttributeNS ("http://xsms.nm.ru/custombuttons/", "open");
    alert (1);
this. open = false;        
    }
    else if(event.button == 2 && !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey) {
        // Действие при клике ПКМ без модификаторов
    alert (2);
//this. open = false;        
    }
};
this.oncontextmenu = function(event) {
    if(event.button == 2 && !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey) {
        // Блокируем контекстное меню при клике ПКМ без модификаторов
        //this. open = false;
        event.preventDefault();
        event.stopPropagation();
    }
};

//**************END seciom****************
// *************END DEF*******************

var menu = this._menu = custombuttonsUtils.makeXML(
    <menupopup xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onclick="this.parentNode.handleMenuClick(event);"
        onmouseup="this.parentNode.handleMenuMouseup(event);"
        oncommand="this.parentNode.handleMenuCommand(event);">
        <menuitem label="Item 0" />
        <menuitem label="Item 1" />
        <menuitem label="Item 2" />
    </menupopup>
);
this.appendChild(menu);

this.showMenu = function(menu, e, isContext) {
    document.popupNode = this.ownerDocument.popupNode = this;
    if("openPopupAtScreen" in menu)
        menu.openPopupAtScreen(e.screenX, e.screenY, isContext);
    else
        menu.showPopup(this, e.screenX, e.screenY, isContext ? "context" : "popup", null, null);
};

this.removeAttribute("context");
this.onclick = function(e) {
    if(e.target != this)
        return;
    if(e.button == 0) {
        // Some left-click action...
        alert("Button left-click");
    }
    if(e.button == 1) {
        // Some middle-click action...
        //this.showMenu(this._menu, e, false);
    }
    else if(e.button == 2) {
        if(e.ctrlKey || e.shiftKey || e.altKey || e.metaKey) {
            this.showMenu(document.getElementById("custombuttons-contextpopup"), e, true);
            return;
        }
        // Some right-click action...
        alert("Button right-click");
    }
};
this.onmousedown = function(e) {
    if(e.button == 1) {
        this._menuOpenerButton = e.button;
        this.showMenu(this._menu, e, false);
    }
};
this.handleMenuClick = function(e) {
    alert("Menu click\n" + e.target.getAttribute("label") + "\nButton: " + e.button);
    closeMenus(e.target); // chrome://browser/content/utilityOverlay.js
};
this.handleMenuMouseup = function(e) {
    if(e.target.localName != "menupopup" && e.button == this._menuOpenerButton) {
        alert("Menu mouseup\n" + e.target.getAttribute("label"));
        closeMenus(e.target);
    }
};
this.handleMenuCommand = function(e) {
    alert("Menu command\n" + e.target.getAttribute("label"));
};