// Настройка функций кликов мыши ................................................................ 
this.onclick = function(e) {
     if ( e.button == 0 ) menuPopup.showPopup(this, -1, -1, "popup", "bottomleft", "topleft");
};


// Создать меню .................................................................................
var array = [
    "scripts 1",
    "scripts 2",
    "scripts qwerty",
    "scripts 44 55 66",
    
       "separator",

    "scripts some 1",
    "scriptssome 2",
    "scripts some 3"
            ];

var node = document.getElementById(this.id + "-menuPopup");
if ( node && node.parentNode ) node.parentNode.removeChild(node); // блокировать дублирование меню

var menuPopup = document.getElementById("mainPopupSet").appendChild(document.createElement("menupopup"));
menuPopup.id = this.id + "-menuPopup";

array.forEach(function(str) {
     if ( str == "separator" ) { menuPopup.appendChild( document.createElement("menuseparator") ); return }; 
     var menuItem = document.createElement("menuitem");
     menuItem.setAttribute("label", str );
     menuItem.addEventListener("command", insertOrCopyText, false); 
     menuPopup.appendChild(menuItem);
});
//this.type = "menu"; 



// Ставить текст в текстовое поле или скопировать из меню ..........................................
function insertOrCopyText( text ) { 

   var text = this.label;
   
   try { document.commandDispatcher.focusedElement.type; }
   catch(e) { gClipboard.write( text); return };
   
   var cmd = "cmd_insertText";
   var controller = document.commandDispatcher.getControllerForCommand(cmd);
   if ( controller && controller.isCommandEnabled(cmd) ) {
        var controller = controller.QueryInterface(Components.interfaces.nsICommandController);
        var params = Components.classes["@mozilla.org/embedcomp/command-params;1"].createInstance(Components.interfaces.nsICommandParams);
        params.setStringValue("state_data", text);
        controller.doCommandWithParams(cmd, params);
        }
};