To follow up on the result of this.
I can not use ajax for requesting information from another site (bummer).
However I only originally wanted an image that wouldn't popup a
security login window.
Using this works beautifully:
var img = new Image(); //Don't use document.createElement("img");
img.src = "...";
So I've finally been able to suppress that error in Google Icon
(https://addons.mozilla.org/en-US/firefox/addon/4676)
~Sean
P.S. The hardest problems always have the simplest solutions.

