User:Dickvl: Difference between revisions

From MozillaZine Knowledge Base
Jump to navigationJump to search
(→‎Private Browsing: minor additions)
Line 331: Line 331:
#sanitizeSeparator, #privateBrowsingItem, #sanitizeItem {display:none!important;}
#sanitizeSeparator, #privateBrowsingItem, #sanitizeItem {display:none!important;}


/* Hide Autostart PB in Options > Privacy */
/* Hide Autostart PB and Clear History in Options > Privacy */
#privateBrowsingAutoStart {display:none!important;}
#privateBrowsingAutoStart, #clearDataBox {display:none!important;}
</pre>
</pre>


Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''pbdisable.xpi'''<br />
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''pbdisable.xpi'''<br />
You can install the extension via "File > Open File" or by dragging the file in a Firefox window.<br />
You can install the extension via "File > Open File" or by dragging the file in a Firefox window.<br />
You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the [[Profile_folder_-_Firefox|Profile Folder]] to the ''%AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'' folder to make the extension work in all Firefox profiles.
You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the [[Profile_folder_-_Firefox|Profile Folder]] to the ''%AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'' folder to make the extension work in all Firefox profiles. If you do that then you can't uninstall, but you can disable the extension.
<pre>data:application/octet-stream;base64,
<pre>data:application/octet-stream;base64,
UEsDBBQAAAAIAIIoOTz7YFT+VQAAAI8AAAAPABUAY2hyb21lLm1hbmlmZXN0VVQJAAMzGF1LMxhd
UEsDBBQAAAAIAIIoOTz7YFT+VQAAAI8AAAAPABUAY2hyb21lLm1hbmlmZXN0VVQJAAMzGF1LMxhd
Line 391: Line 391:
void((E=window.document.getElementById('manBookmarkKb')).removeAttribute('key'));
void((E=window.document.getElementById('manBookmarkKb')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
</pre>
</pre>You can modify the file ''pbdisable.js'' in the ''pbdisable.jar'' (zip) archive in the ''pbdisable.xpi'' (zip) archive to make the changes.


===TabVisited===
===TabVisited===

Revision as of 02:26, 29 January 2010

Navigator Object

Here is a bookmarklet to display the content of the Navigator object (plugins, mimeTypes).

javascript:/* dickvl@kb.mozillazine.org */
(function(){
var b='<br>',i,L,O,p,pN,pT=('Navigator properties:').bold()+b+b,oT=('Navigator objects:').bold()+b+b,fT=('Navigator functions:').bold()+b+b;
for(pN in navigator){
if(typeof navigator[pN]=='object'){
O=navigator[pN];L=(O.length)?O.length:0;oT+=(pN+': ').bold()+L.toString().bold()+b;
for(i=0;i<L;i++){M=O[i];oT+=('['+(i+1)+'] ').bold();
for(p in M){if(typeof M[p]!='function'&&typeof M[p]!='object'&&p!='length'){oT+=(p+': ').bold()+M[p]+(' | ').bold()}}
if(M.enabledPlugin){oT+=('Plugin: ').bold()+M.enabledPlugin.name}
oT+=b}
oT+=b}
else if(typeof navigator[pN]!='function'){pT+=(pN+': ').bold()+navigator[pN]+b}
else if(typeof navigator[pN]=='function'){if(/Enabled/.test(pN)){fT+=(pN+': ').bold()+navigator[pN]()+b}}}
with(document.open()){write(pT+b+oT+b+fT);close();}
})();

Add-ons

Sometime ago I noticed the Mozilla's Places Stats Project thread with the possibility to display a list of installed extensions in JSON notation by using the Error Console. That gave me an idea to do the same for the printing passwords code in the Password Manager article.

I have also taken the opportunity to create a similar file for displaying the installed extensions. So here are two versions.
The first version shows the name and version number and the second version has the possibility to select which additional columns you wish to see.

/*
 * Paste this file into Firefox's JavaScript Console and evaluate it to display the installed extensions and themes - dickvl@kb.mozillazine.org
*/
(function () {
var Cc = Components.classes;
var Ci = Components.interfaces;
var EMP = "http://www.mozilla.org/2004/em-rdf#";
var rv = {}; rv.ext = []; rv.the = [];

var ds =
    Cc["@mozilla.org/extensions/manager;1"].
    getService(Ci.nsIExtensionManager).
    datasource;
var rdf =
    Cc["@mozilla.org/rdf/rdf-service;1"].
    getService(Ci.nsIRDFService);
var elts =
    Cc["@mozilla.org/rdf/container-utils;1"].
    getService(Ci.nsIRDFContainerUtils).
    MakeSeq(ds, rdf.GetResource("urn:mozilla:item:root")).
    GetElements();

function rdfGS(elt,res){
 try{
     return(ds.GetTarget(elt,rdf.GetResource(EMP+res),true).QueryInterface(Ci.nsIRDFLiteral).Value);
 } catch(e){return("")}
}

function makeRV(elt,rv){
 var nam = rdfGS(elt,"name");
 var ver = rdfGS(elt,"version");
 var dis = rdfGS(elt,"isDisabled");
 var hom = rdfGS(elt,"homepageURL");
 rv.push({name:nam,id:elt.Value.replace(/^urn:mozilla:item:/,""),vers:ver,dis:dis,home:hom});
return(rv);
}

function makeLIST(rv){
 var list="",i,RV;
 for (i=0;RV=rv[i];i++) {
  var name = RV.name;
  var vers = RV.vers;
  var disab = (RV.dis=="true")?"(disabled)":"";
  var home = RV.home;
  list+="<a href=" + home + "><span>" + name + " </span><span> " + vers + " </span></a><span> " + disab + " </span></br>";
 }
return(list);
}

while (elts.hasMoreElements()) {
 var elt = elts.getNext().QueryInterface(Ci.nsIRDFResource);
 if (ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(2),true)){
  makeRV(elt,rv.ext); 
 }
 if (ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(4),true)){
  makeRV(elt,rv.the);
 }
}

var extList="<p><b>Extensions:</b><br>"+makeLIST(rv.ext)+"</p>";
var theList="<p><b>Themes:</b><br>"+makeLIST(rv.the)+"</p>";

window.open('data:text/html,
<html><head>
<meta http-equiv=content-type" content="text/html; charset=ISO-8859-1">
<title>Mozilla Extensions</title>
</head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);">
' + extList + theList + '
</body></html>',
"", "menubar=yes,toolbar=no,scrollbars=yes,resizable=yes,width=1000,height=600");
})();
/* 
 *To display the installed extensions and themes paste this file into Firefox's JavaScript Console and evaluate it - dickvl@kb.mozillazine.org
*/
(function () {
var Cc = Components.classes;
var Ci = Components.interfaces;
var EMP = "http://www.mozilla.org/2004/em-rdf#";
var EMT = 2; /* Extensions: EMT = 2;  Themes: EMT = 4; */
var rv = {}; rv.ext = []; rv.the = [];

/* columns - 0:space  1:name  2:version  3,4:disabled  5:id  6:description  7:homepage  8:compatible  9:install location */
var THEAD = ["","Name","Version","Disabled","(-)","ID","Description","Home Page","Comp.","Inst.Loc"];
var TCONT = (prompt("Columns:\n\n1:Name\n2:Version\n3:Disabled  4:(U|A)\n5:ID\n6:Description\n7:Home Page\n","1 2 3"));
TCONT=((TCONT==null || TCONT=="")?"1 2 3":TCONT).split(" ");

var ds =
    Cc["@mozilla.org/extensions/manager;1"].
    getService(Ci.nsIExtensionManager).
    datasource;
var rdf =
    Cc["@mozilla.org/rdf/rdf-service;1"].
    getService(Ci.nsIRDFService);
var elts =
    Cc["@mozilla.org/rdf/container-utils;1"].
    getService(Ci.nsIRDFContainerUtils).
    MakeSeq(ds, rdf.GetResource("urn:mozilla:item:root")).
    GetElements();

function rdfGS(elt,res){
 try{
  return(ds.GetTarget(elt,rdf.GetResource(EMP+res),true).QueryInterface(Ci.nsIRDFLiteral).Value);
 }catch(e){return("")}
}

function makeTD(rv){
var i,j,DV,RV,TC,td="";
for (i=0;RV=rv[i];i++) {
  td+="<tr>";
 for(j=0;TC=TCONT[j];j++){
  switch(parseInt(TC)){
   case 1: DV=RV.name;break;
   case 2: DV=RV.vers;break;
   case 3: DV=(RV.dis=="true")?"(disabled)":"";break;
   case 4: DV=((RV.adis=="true")?"(A)":"")+((RV.udis=="true")?"(U)":"");break;
   case 5: DV=RV.id;break;
   case 6: DV=RV.descr;break;
   case 7: DV=RV.home;break;
   case 8: DV=(RV.comp=="true")?"Yes":((RV.comp=="false")?"No":"");break;
   case 9: DV=RV.inst;break;
   default: DV="";break;
  } td+="<td>"+DV+"</td>";
 }
 td+="</tr>";
}
return(td);
}

function makeRV(elt,rv){
 var nam = rdfGS(elt,"name");
 var ver = rdfGS(elt,"version");
 var des = rdfGS(elt,"description");
 var dis = rdfGS(elt,"isDisabled");
 var ads = rdfGS(elt,"appDisabled");
 var uds = rdfGS(elt,"userDisabled");
 var hom = rdfGS(elt,"homepageURL");
 var com = rdfGS(elt,"compatible");
 var ins = rdfGS(elt,"installLocation");
 rv.push({name:nam,id:elt.Value.replace(/^urn:mozilla:item:/,""),vers:ver,descr:des,adis:ads,udis:uds,home:hom,dis:dis,inst:ins,comp:com});
return(rv);
}

while (elts.hasMoreElements()){
 var elt = elts.getNext().QueryInterface(Ci.nsIRDFResource);
 if(isExt=ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(2),true)){
  makeRV(elt,rv.ext);
 }
 if(isExt=ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(4),true)){
  makeRV(elt,rv.the);
 }
}

var thead="";
for(j=0;TC=TCONT[j];j++){thead+="<td><b>"+(THEAD[(TC<THEAD.length)?TC:0])+"</b></td>";}

var tdivE = makeTD(rv.ext);
var tdivT = makeTD(rv.the);

function TD(string) {return (string.length < 2) ? "0" + string : string ;}
function FD(number){return (number < 1000) ? number + 2000 : number;}

var now = new Date();
var hrs = TD(now.getHours() + "");
var min = TD(now.getMinutes() + "");
var sec = TD(now.getSeconds() + "");

var timeValue = " | At  " + hrs + ":" + min + ":" + sec;
var days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var months = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
var date = ((now.getDate()<10) ? "0" : "")+ now.getDate();

var today =  "On " + days[now.getDay()] + ", " + date + " " + months[now.getMonth()] + " " +    (FD(now.getYear())) + timeValue;

function makeTABLE(label,thead,tcont){
return('<p><b>'+label+':</b><br>
<table style="empty-cells: show; background-color: rgb(221, 255, 221);" border="1" cellspacing="0">
<tbody><tr style="background-color: rgb(204, 204, 255);">'+thead+'</tr>'+
tcont+'</tbody></table></p>');
}

window.open('data:text/html,
<html><head>
<meta http-equiv=content-type" content="text/html; charset=ISO-8859-1">
<title>Mozilla Extensions & Themes</title>
<style type="text/css">
 td {
  font-family: "Trebuchet MS", Arial, Verdana, Sans-Serif;
  font-size: 85%;
  padding: 1px 2px 1px 2px;
}
</style>
</head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);">
<b>MOZILLA ADD-ONS INFORMATION (by dickvl@kb.mozillazine.org)</b><p>'+today+'</p>'+
makeTABLE("Extensions",thead,tdivE) + makeTABLE("Themes",thead,tdivT)+'
</body></html>',"", "menubar=yes,toolbar=no,resizable=yes,scrollbars=yes,width=1000,height=700");
})();

Printing Passwords

Here is an enhanced version of the Password printing code from Password Manager to show all the fields, may be helpful for troubleshooting issues.

/*
 * Paste this file into Firefox's JavaScript Console and evaluate it to display the saved names and passwords - dickvl@kb.mozillazine.org
*/

(function(){
function tdigs(str) {return (str.length < 2) ? "0" + str : str;}
function fdigs(num){return (num < 1000) ? num + 2000 : num;}

var now = new Date();
var hrs = tdigs(now.getHours() + "") ;
var mins = tdigs(now.getMinutes() + "") ;
var secs = tdigs(now.getSeconds() + "") ;

var tValue = " | At  " + hrs + ":" + mins + ":" + secs;
var days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var mons = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
var date = ((now.getDate()<10) ? "0" : "")+ now.getDate();

var today =  "On " + days[now.getDay()] + ", " + date + " " + mons[now.getMonth()] + " " +    (fdigs(now.getYear())) + tValue ;

var Cc = Components.classes;
var Ci = Components.interfaces;

netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

var tokendb = Cc["@mozilla.org/security/pk11tokendb;1"]
                .createInstance(Ci.nsIPK11TokenDB);
var token = tokendb.getInternalKeyToken();

try {token.login(true);} catch (e) {}

if (token.isLoggedIn()) {
 var passwordmanager = Cc["@mozilla.org/login-manager;1"]
                       .getService(Ci.nsILoginManager);
 var names="",signons = passwordmanager.getAllLogins({});

 for (i=0;i<signons.length;i++) {
  try {
   var host = signons[i].hostname;
   var realm = signons[i].httpRealm;
   var user = signons[i].username;
   var usrf = signons[i].usernameField;
   var psw = signons[i].password;
   var pswf = signons[i].passwordField;
   var surl = signons[i].formSubmitURL;
   if (user == ""){ user = "<br>"; }
   names+="<tr>\n<td>"+host+"</td>\n<td>"+realm+" </td>\n<td>"+usrf+"</td>\n<td>"+user+"</td>\n<td>"+pswf+"</td>\n<td>"+psw+"</td>\n<td>"+surl+"</td>\n</tr>\n";
   } catch(e) {}
 }

 void(window.open('data:text/html,
<html><head>
<meta http-equiv=content-type" content="text/html; charset=ISO-8859-1">

<title>Exported Mozilla Passwords</title>
<style type="text/css">
 td {
  font-family: "Trebuchet MS", Arial, Helvetica, Geneva, Verdana, Sans-Serif;
  font-size: 85%;
  padding: 1px 2px 1px 2px;
}
</style>
</head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);">
<b>MOZILLA PASSWORD INFORMATION</b>
<p>Produced by <i>Pasting Code in the "Tools > Error Console: Code field"</i> (by "ernie" - Andrew Poth - Ed Mullen - adapted by dickvl@kb.mozillazine.org to run in the Error Console)<br>'+today+
'</p><p>
<table style="empty-cells: show; background-color: rgb(221, 255, 221);" border="1" cellspacing="0">
<tbody><tr style="background-color: rgb(204, 204, 255);">
<td>
<b>Host</b>
</td>
<td>
<b>Realm</b>
</td>
<td>
<b>User Field</b>
</td>
<td>
<b>User Name</b>
</td>
<td>
<b>Psw Field</b>
</td>
<td>
<b>Password</b>
</td>
<td>
<b>Submit URL</b>
</td>
</tr>'+names+'</tbody></table>
</p></body></html>',"","menubar=yes,resizable=yes,scrollbars=yes,width=1000,height:600"));
}
})();

Private Browsing

Here is a simple extension that hides and disables the "Tools -> Start Private Browsing" entry and the "Tools > Clear Recent History" entry in Firefox 3.5/6.
The extension will hide the menu entries, but not the line in "Tools > Options" to start PB mode automatically, so you need to add code to userChrome.css as well (the code also hides the menu entries if the extension is disabled). It is still possible to set the related pref browser.privatebrowsing.autostart on the about:config page and to clear the cache via "Tools -> Options -> Advanced -> Network" and to clear history in the Library and History sidebar. See also [1]

You also need to add code to userChrome.css below the @namespace line.
See http://kb.mozillazine.org/Editing_configuration#How_to_edit_configuration_files

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

/* Hide PB and Sanatize item in Tools menu */
#sanitizeSeparator, #privateBrowsingItem, #sanitizeItem {display:none!important;}

/* Hide Autostart PB and Clear History in Options > Privacy */
#privateBrowsingAutoStart, #clearDataBox {display:none!important;}

Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as pbdisable.xpi
You can install the extension via "File > Open File" or by dragging the file in a Firefox window.
You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the Profile Folder to the %AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384} folder to make the extension work in all Firefox profiles. If you do that then you can't uninstall, but you can disable the extension.

data:application/octet-stream;base64,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I use this code to remove menu entries and disable shortcut keys in the extension.:

 void((E=window.document.getElementById('key_privatebrowsing')).removeAttribute('key'));
 void(E.removeAttribute('modifiers'));void(E.removeAttribute('command')); 

You can use the DOM Inspector to find the ID of a menu entry if you want to disable other menu entries.

I use this code on Linux to disable some shortcuts that I want to use in Prefbar or that are otherwise dangerous (Ctr+Q to Quit Firefox is too close to Ctrl+W).

void((E=window.document.getElementById('key_closeWindow')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void((E=window.document.getElementById('key_quitApplication')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void((E=window.document.getElementById('key_privatebrowsing')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void((E=window.document.getElementById('key_openDownloads')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void((E=window.document.getElementById('key_undoCloseWindow')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));
void((E=window.document.getElementById('manBookmarkKb')).removeAttribute('key'));
void(E.removeAttribute('modifiers'));void(E.removeAttribute('command'));

You can modify the file pbdisable.js in the pbdisable.jar (zip) archive in the pbdisable.xpi (zip) archive to make the changes.

TabVisited

In Firefox 3.6 it is no longer possible to use the selected attribute to style unvisited and visited tabs with code in userChrome.css [2], https://bugzilla.mozilla.org/show_bug.cgi?id=487242]
I have attached an extension TabVisited to bug 487242 to add a visited attribute to tabs that have been visited that can be used until bug 487242 gets fixed.
Tabs that haven't been visited do not have that attribute. The currently selected attribute has a selected and a visited attribute.
See comment #c0 [3] (Description) for some coding examples.

Copy and paste the full DATA code in the location bar and save the file as tabvisited.xpi
You can install the extension via File > Open File or by dragging the file in a Firefox window.
You can move the extensions folder (tabvisited@mozillazine.org) from the extensions folder in the Profile Folder to the %AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384} folder to make the extension work in all Firefox profiles (that includes nightly Minefield and Namoroka builds). The maxVersion is set to 4.*. This version works for SeaMonkey 2 as well.

data:application/octet-stream;base64,
UEsDBBQAAAAIAAoZPDwjY3igZAAAAPAAAAAPABUAY2hyb21lLm1hbmlmZXN0VVQJAAOU8WBLlPFg
S1V4BADoA2QAlc0xCoAwDIXhuQUP4QWa3dvEGrSiDcRY9fYKSuvg4pjHxx/PUSmqUWxTWIJSZ0aU
xg/CM0FZ3bXW4G8Nla0sJ5IJD3PTBqAV3haSjJ7b7etUUClm93py0Y9wxBR6VC7pvPyOn1BLAwQU
AAAACABLGTw8w9IgbrIBAADkAwAACwAVAGluc3RhbGwucmRmVVQJAAMN8mBLDfJgS1V4BADoA2QA
pZNfb5swFMXfK/U7ePRtm/ljvCQgQrcp6tP20m19N3BJrWKDbCchrfbdByZWWFRNk/oG9/yOfc5F
ZLe9aNAelOatXHuRH3q3+fXV9VV2v7lDgyb12ns0pkuD4HA4+IfYb9U2iJIkCUISEIJVVWN9lIb1
WOobb/KkIP6yifaZNw2zXhKGNAAxGm+84S6UbUCXindmiIBY0e7M2tspmZ5MKZfasKbBgklegzbW
hDIQKa9yw4o919xA9fnEP3MJ40VZMBEOlkxA/pMVDxNuZTtzwGkLeeRHVnTvTq/OMWfnfEQ170Gj
r7stoqslocSa57A7oFTATKvyipdP+8ZibuSQx1ZAx7bw6/5bftpf3aqd0P5r7ea0O8EcO8inDPbR
fsx3GKM7rqBue4SxXfqoM7UF86XrGl6yc9LNRXS36hcoV2Ec1ktckpBhuqA1TooQcBSzmCWQLOMV
/T1fu3UKLh9Om4z90Mqz0RljvZtR//2EnUc2WHCRbCr5SolRGyv/APa9lU9wfEPphCw+hSWtMC1W
gGlFGC6WUGBCoaxpvSgWMftnafJ/pQfsw1tbX7JZMPzF+R9QSwMECgAAAAAAzbR2OwAAAAAAAAAA
AAAAAAcAFQBjaHJvbWUvVVQJAANRrwlLLbAJS1V4BADoA2QAUEsDBBQAAAAIAGk4nDsZVqgcYAIA
AOcCAAAVABUAY2hyb21lL3RhYnZpc2l0ZWQuamFyVVQJAAMlSjhLrkk4S1V4BADoA2QAC/BmZhFh
YGDgYEixmGN9efOrq9+BvGuMDAyiQJicn1eSmleiX5KYVJZZnFmSmqKXVRwawsnALONl4T3V08I7
tIKF4QVzCkPrxIN+hw142s6HvLKO2KkzeVHXZzW+hrLHbkdFd/Zuj5qS4nUnjOPtXU/rDHZrAVdL
i2/vz++v5gnYtyfI32+eBZclVwH7/Eq2A32pzL/PXT10rzFu/mEGZuvX7Uxr78Zey7xateVUg4kM
75uNvVvu9amqG+/jtbp9KWTTiaxZqY8PBJkvWDmh/7EQ2wpDoRVCq9OzVopt/fmTwWOnBJ+Kq8pO
cc6YUqeorzKRGUmcd82P/Axp/JD7O7rykN8ic88lT8o/zX3BatAoI9ckr9R6JZVFYXbEv5cVRgXV
N8unCayR2yv85MmNra2rK09N3bnJUNJy58z0l89u3t8r+vjQlxm/WAPgwae1uNv6oVx6wQogDxSE
YtiDr6I0Bxx+8+coeV+fpQQPP98+bz4mRR6H72rF7Jf2hpS7uZ4PmnksMaXBYW7/8ukpJruy4y/v
Kd93rjlc+fmjJIMN1613xM3y3Wx5nMtW99RWtpa8xdp+O+7WGaz4Jd7V6KciK7g885JzjeV7z+M1
x9n1mUUf9pQL1Rkst/I6PnOrthXb/hc/XyaGis6OFVL1TmKeMql82pJvCf7Ka49fNi9cz7/Aaxtb
zvTHB67+Xe0s3VwwwX7Jb6YdWR8ux203D/BmZBJnxpVieBlAAMhkeNsIYuFIP6yQ9BNawcCAbB5m
ECLMW9Joz4jVPHCAskICFGIgKxtIExMQLgTSBkwgHgBQSwECFwMUAAAACAAKGTw8I2N4oGQAAADw
AAAADwANAAAAAAABAAAA7YEAAAAAY2hyb21lLm1hbmlmZXN0VVQFAAOU8WBLVXgAAFBLAQIXAxQA
AAAIAEsZPDzD0iBusgEAAOQDAAALAA0AAAAAAAEAAADtgaYAAABpbnN0YWxsLnJkZlVUBQADDfJg
S1V4AABQSwECFwMKAAAAAADNtHY7AAAAAAAAAAAAAAAABwANAAAAAAAAABAA7UGWAgAAY2hyb21l
L1VUBQADUa8JS1V4AABQSwECFwMUAAAACABpOJw7GVaoHGACAADnAgAAFQANAAAAAAAAAAAApIHQ
AgAAY2hyb21lL3RhYnZpc2l0ZWQuamFyVVQFAAMlSjhLVXgAAFBLBQYAAAAABAAEACIBAAB4BQAA
AAA=

TabVisited with CSS code

This version has the CSS code from [4] embedded, so works right "out of the box"!.
Works with Firefox 3 (maxVersion 4.*) and SeaMonkey 2 (maxVersion 2.*).
Save as tabvisited-1-2-fx-sm.xpi

data:application/octet-stream;base64,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