Change Gmail Logo

By haden Last update Mar 4, 2010 — Installed 3,409 times.

There are 3 previous versions of this script.

// ==UserScript==
// @name          change Gmail Logo
// @description   Changes default gmail logo to a custom logo. for the new gmail themes
// @author        haden
// @version       1.0
// @include       http://mail.google.com/*
// @include       https://mail.google.com/*
// ==/UserScript==


// You need to convert your image to a base64 representation.  There are many online sites which offer base64 conversion. 
// eg. http://www.opinionatedgeek.com/dotnet/tools/Base64Encode/Default.
// http://www.dailycoding.com/Utils/Converter/ImageToBase64.aspx


function onLoadHandler(){


if(window.parent!=null && window.parent.parent!=null && window.parent.parent.document.getElementById("canvas_frame")!=null)
{
	frmDocument= window.parent.parent.document.getElementById("canvas_frame").contentDocument;


	var gLogo=frmDocument.getElementById(":rh");
	
	if(gLogo!=null && gLogo.tagName=="DIV")
	
	/* this is where you need to enter the base64 representation of the image.
	gLogo.style.setProperty("background-image","url(data:image/image_type;base64,base64_representation)","important");
	
	replace image_type  with the type of the image eg.gif,jpeg,png
	replace base64_representation with the base64 representation of the image
	
	*/
	gLogo.style.setProperty("background-image","url(data:image/png;base64,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)","important");
		
}
	
}

window.addEventListener('load',onLoadHandler,true);