That works Johan, thanks very much.
Doesn't validate, but I guess that's not the end of the world...
Thanks again.
Paul
2010/1/6 Johan Borestad <johan.bores...@gmail.com>
> Hi Paul!
> This is a case where you really don't even should use Javascript,
> unless you're trying to do some fancy animations. Rely entirely on CSS
> with a simple css-rule
>
> #thumbs li.selected {
> filter:alpha(opacity=50);
> opacity:0.50;
> }
>
> This will also be much much faster than any other solutions.
> / Johan
>
>
> On Jan 5, 7:50 pm, Paul Collins <pauldcoll...@gmail.com> wrote:
> > Sorry, the test page:http://paulcollinslondon.com/test/test.html
> >
> > 2010/1/5 Paul Collins <pauldcoll...@gmail.com>
> >
> > > Thanks very much for your help Brian. That works, but I think the
> problem
> > > may go deeper than I thought! I've put up a test page.
> >
> > > I'm using the "JQuery Opacity Rollover" Script as a part of the
> Gallerific
> > > plugin http://www.twospy.com/galleriffic/#1
> >
> > > To try and keep this simple, when you hover over a thumbnail, it
> originally
> > > went from dark to light. I've reversed the order of this in
> > > "mouseOutOpacity" & "mouseOverOpacity" on the scripts.js &
> > > jquery.opacityrollover.js, so now they are full opacity by default and
> half
> > > when you hover over. There is a selected class applied when you click
> on a
> > > thumbnail and I want to make the opacity stay at half when you click on
> it.
> >
> > > There seems to be a default on all list items of the thumbs <ul> of
> > > opacity: 1; I want to change it to 0.5 when an item has a class of
> selected,
> > > but can't get it to work.
> >
> > > I've tried removing the inline style first using
> >
> > > $("#portfolio #thumbs li.selected").removeAttr("style");
> >
> > > But this doesn't work.
> >
> > > Sorry for the long windedness of this post, but if anyone could even
> give
> > > me a hint of where to start looking, I would be really grateful.
> >
> > > Thanks
> >
> > > 2010/1/5 brian <zijn.digi...@gmail.com>
> >
> > > Just put the class in the selector instead of testing for it first:
> >
> > >> $("#portfolio #thumbs li.selected").css('opacity','0.5');
> >
> > >> If the class doesn't exist, jQuery will do nothing (instead of
> > >> throwing an "undefined" error or similar).
> >
> > >> On Tue, Jan 5, 2010 at 12:45 PM, Paul Collins <pauldcoll...@gmail.com
> >
> > >> wrote:
> > >> > Hi all
> >
> > >> > I've been stuck on this for four hours, and I still can't solve it!
> >
> > >> > I am trying to check if a list item has a class of selected, then is
> so
> > >> > change the opacity to 0.5. Here is my code:
> >
> > >> > if ($("#portfolio #thumbs ul li").hasClass(".selected")) {
> > >> > $(this).css('opacity','0.5');
> > >> > }
> >
> > >> > It seems that the "this" part isn't working, is it to do with
> putting it
> > >> in
> > >> > an event?
> >
> > >> > Would appreciate any help
>
