Prevent selection being greyed out in iframe in Firefox without using contenteditable

Question

In Firefox 3 and later (and probably older versions), selecting content within an iframe always seems to use the grey selection background colour used for a document that doesn\

Answer 1

I just tried to reproduce the problem with a "real" page as iframe content and then it works like you want: blue colored selection! (FF 5.0)

see: http://jsfiddle.net/97Vjz/8/

It seems only generated content has this problem, so you could make a page (php/asp(x)) that generates the content for you to circumvent the problem.

Another solution to use javascript generated content is to load it with src="javascript:''" (actually this is Tim's own solution from the comments below.)

A simple example script: http://jsfiddle.net/97Vjz/9/

 iframe.src='javascript:\'' + content + '\'';