Posted by David Dorward on 11/20/07 13:29

On Nov 20, 12:22 pm, carex <ca...@skynet.be> wrote:
> Since a few weeks I am trying to use xhtml i.s.o html everywhere in my web
> application

There is no such thing as "xhtml i.s.o html".

XHTML is not recommended: http://www.webdevout.net/articles/beware-of-xhtml

ISO HTML is usually more trouble then it is worth ... and since you
use JS in your example, unsuitable for you.

HTML 4.01 Strict is recommended.

> But, for the first time, I have something that is working perfectly with
> IE6 but not in Firefox when I use a DOCTYPE

Activating Standards mode and making browsers less forgiving of
errors.

> if (y < 0) {
> delta=3;
> }
> y+=delta;
> document.getElementById("myDiv").style.left=y;

The left property takes a length. You've just assigned it what I
suspect will turn out to be a number (although it might be something
like 40px3, I'm not certain).

--
David Dorward
http://dorward.me.uk/
http://blog.dorward.me.uk/

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