There's an crossbrowser JavaScript LGPL Project at 
http://www.uwyn.com/projects/relativelayers .

It shows dynamic Layer creation at: 
http://www.uwyn.com/projects/relativelayers/examples/example10.html .

Most of the RelativeLayers package is supported on both IE and Netscape.  Even Opera 
(www.opera.com) can
handle some of its functionality, but not all...

mvg, Geert.

"Bert Van Kets" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I've done some quit extensive programming using Layers with JavaScript.  It
> is perfectly possible to create this and the user would indeed perceive it
> as being faster.  The problem is that the server does not know what is
> going on (as Carsten already pointed out) and that using client side
> JavaScript does have some infringements on the JavaScript support of the
> browser.  Making your code work with ALL browsers is nearly
> impossible.  Many of my colleagues have migrated to using server side
> scripting as much as possible and only use client side when there is no
> other way.  This is a bit extreme to my opinion, since it creates a lot of
> overhead on bandwidth, but it surely is the safest way since most code runs
> in a well known and controlled environment.
>
> Bert
>
> At 10:28 6/05/2002 +0200, you wrote:
>
> > > -----Original Message-----
> > > From: Michael Homeijer [mailto:[EMAIL PROTECTED]]
> > > Sent: Monday, May 06, 2002 8:49 AM
> > > To: '[EMAIL PROTECTED]'
> > > Subject: RE: Cocoon Portal - Tabbed layout and Radio integration
> > >
> > >
> > > IMHO the problem with most portal layout's is that if you have multiple
> > > "portlets" open and one is changed, the complete page has to be refreshed.
> > > Depending on the functionality and the possibility of caching, this can be
> > > very time consuming.
> > >
> > > Gartner had a site that solved this by having portlets in a single "layer"
> > > (I am not a HTML expert, but I think this is what it's called). It looked
> > > great, all portlets could be dragged to the location at which you want to
> > > have them and they really looked like child windows.
> > >






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