window.getBrowser().getBrowserIndexForDocument(event. target)

function OnDocument (event)
{
    var t = event. target;
    if (window. getBrowser (). getBrowserIndexForDocument (t) != -1)
    {
        // документ имеет "собственную" вкладку
        print ("tab");
    }
    else
    {
        // документ не имеет "собственную" вкладку
        // значит, это фрейм
        print ("frame in tab");
    }
}

function dnins (event)
{
    var t = event. originalTarget;
    if ((t. nodeName == "vbox") || (t. nodeName == "xul:vbox"))
    {
        // добавлена новая вкладка
        // прикрепляем элементу browser вкладки
        // обработчик DOMContentLoaded
        var b = t. getElementsByTagName ("browser") [0];
        b. addEventListener ("DOMContentLoaded", OnDocument, true);
    }
}

var tb = window. getBrowser ();
tb. addEventListener ("DOMNodeInserted", dnins, true);

function OnDocument (event)
{
    try
    {
        SDoc = new SavedDoc;
    }
    catch (err) 
    {
        alert (err);
    }
    SDoc. Url = event. originalTarget. location. href;
    var numSave= window. getBrowser (). getBrowserIndexForDocument (event. originalTarget);
    if ((numSave >= 0) && (listSavedDocument. length < (numSave + 1)))
        listSavedDocument[numSave] = new Array ();
    else
        numSave = event. currentTarget. mTab. tabIndex;
    listSavedDocument[numSave]. push (SDoc);
    var NumElem = 0;
    Fun2 (event. originalTarget, numSave, NumElem);
}

var tb = window. getBrowser (); // tabbrowser
for (var i = 0; i < tb. mTabs. length; i++)
{
    t = tb. mTabs. item (i); // tab
    d = tb. getBrowserForTab (t); // document
    f = d. body. getElementsByTagName ('frame');
    for (j = 0; j < f. length; j++)
    {
        cf = f [i]; // frame
        ...

function dnins (event)
{
	alert('In');
	alert(event. target.nodeName);
	alert(event. originalTarget.nodeName);
    var t = event. originalTarget;
//    if ((t. nodeName == "vbox") || (t. nodeName == "xul:vbox"))
    if ((t. nodeName == "tab") || (t. nodeName == "xul:vbox"))
    {
    	alert('Add');
        // äîáàâëåíà íîâàÿ âêëàäêà
        // ïðèêðåïëÿåì ýëåìåíòó browser âêëàäêè
        // îáðàáîò÷èê DOMContentLoaded
//        var b = t. getElementsByTagName ("browser") [0];
        t. addEventListener ("DOMContentLoaded", OnDocument, true);
    }
}

function ext_onInit() 
{	
	try
	{
//		Test();
		document.addEventListener("DOMContentLoaded", OnDocument, true);
//		var c = window.getBrowser().getBrowserAtIndex(0);
//		var c = document.getElementById ("content");
//		var tb = window. getBrowser ();
//		var b = document. getElementsByTagName ("browser") [0];
//        tb. addEventListener ("DOMContentLoaded", OnDocument, true);
        
//		tb. addEventListener ("DOMNodeInserted", dnins, true);
		
		document.addEventListener("DOMNodeRemoved", OnTabRemoved, true);
  	}
	catch (err) 
	{
		alert(err);
		return;
	}
}

var NumElem = window.getBrowser().getBrowserIndexForDocument(event. target);
	if (NumElem != -1)
	{
		SDoc.host = event. target. location. host;
		SDoc.url = '<url value="' + event. target. location. href + '"></url>';
		SDoc.url2 = event. target. location. href;
		listSavedDocument[NumElem] = new Array();
		listSavedDocument[NumElem].push(SDoc);
		ParseDocument(event. target, NumElem, 0, 0)
	}
	else
	{
//		alert(event. currentTarget. mTab. tabIndex);
//*		
		listSavedDocument[0][0].numFrame++;

		for (var i=0;i<listSavedDocument.length;i++)
		{
			if (listSavedDocument[i] != null)
			{
				var find = false;
				if (listSavedDocument[i][0].host == event. target. location. host)
				{
					for (var j=1;j<listSavedDocument[i].length;j++)
					{
						if (listSavedDocument[i][j].url == event. target. location. href)
						{
							find = true;
						}
					}
					if (find == false)
					{
						SDoc.host = event. target. location. host;
						SDoc.url = '<url value="' + event. target. location. href + '"></url>';
						SDoc.url2 = event. target. location. href;
						listSavedDocument[i].push(SDoc);
						ParseDocument(event. target, i, listSavedDocument[i].length - 1, 0)
						break;
					}
				}
			}
		}
//*/
	}

function dnins (event)
{
	alert('In');
	alert(event. originalTarget.nodeName);