That's great, thanks a lot for everyones help!

		Cheers,
			Alex.

> -----Original Message-----
> From: Donncha Fahy [mailto:fahydonncha@h...]
> Sent: 31 August, 2001 7:20 PM
> To: javascript
> Subject: [javascript] Re: validation on listboxes
> 
> 
> Sorry I forgot that it was a multiple text box :)
> This WILL work, promise :)
> 
> function validcat ( )
> {
>    var form = document.form1;
>    var valid = false;
>    for ( var i = 1; i < form.mylistbox.length; i++ )
>    {
>        if ( form.mylistbox[i].selected == true )
>        {
>            valid = true;
>        }
>    }
>    if ( valid ) form.submit ( );
>    else alert ( "Please select something" );
> }
> 
> I've used all your old names, you don't need to change anything, just
> replace the old function directly with this one. I've also 
> made sure it does
> exactly the same thing as your old function tried to do, 
> either alerts the
> user if none of the options are selected, or else submits the 
> form. That way
> we don't have to go into how you're calling it and that sort 
> of thing (It
> seems like a strange way to validate though, submitting the 
> form inside the
> function like that. Unless the list box is the only thing in 
> the form and
> submitting the form straight away after you're happy the user 
> has selected
> something doesn't matter, you won't be able to validate any 
> controls after
> the select box, and any invalid input before it might still 
> be submitted,
> depending on your code of course.)
> You don't need the Please Select option for multiple select 
> boxes, so you
> probably should remove it. If you do make sure you start the loop at 0
> instead of 1, everything will still work the same.
> 
> -- 
> Donncha Fahy
> 
> 
> From: "Alex Bienz\(viplondon\)" <alex@v...>
> Reply-To: "javascript" <javascript@p...>
> Date: Fri, 31 Aug 2001 09:05:43 +0100
> To: "javascript" <javascript@p...>
> Subject: [javascript] Re: validation on listboxes
> 
> 
> Yes, but if I select more than one value from my LISTbox, 
> that will still
> return the alert if the 'Please Select' value is one of them, 
> won't it?
> 
> > -----Original Message-----
> > From: Donncha Fahy [mailto:fahydonncha@h...]
> > Sent: 30 August, 2001 9:33 PM
> > To: javascript
> > Subject: [javascript] Re: validation on listboxes
> >
> >
> > This will work:
> >
> > function validcat()
> > {
> > if(document.form1.mylistbox.selectedIndex == 0 
> ){alert('Please select
> > something);}
> > else{document.form1.submit();}
> > }
> >
> > Make sure that "0" is the index position of the "Please
> > Select" option i.e.
> > 1st in the list, or edit accordingly.
> >
> > --
> > Donncha Fahy
> >
> >
> > From: "Alexander Bienz" <alex@v...>
> > Reply-To: "javascript" <javascript@p...>
> > Date: Tue, 28 Aug 2001 17:35:16
> > To: "javascript" <javascript@p...>
> > Subject: [javascript] validation on listboxes
> >
> >
> > Hi Chaps,
> >
> > I've got a symple bit of validation that I'm trying to
> > implement into an
> > asp page, but it's not returning the desired results, 
> perhaps there's
> > someone out there that could help me work this one out.
> >
> > My function ATM is...
> >
> > function validcat(){
> > if(document.form1.mylistbox.value=='Please
> > Select'){alert('Please select
> > something);}
> > else{document.form1.submit();}
> > }
> >
> > Right, I have a list box with about 50 different values, and
> > the initial
> > value says 'Please select'  I don;t want the user to submit
> > the form with
> > only this selected, but I do want the user to be able to
> > submit the form
> > if something else is selected aswell, via the ctrl button and
> > clicking.
> >
> > However whenever I try and run the function I will always get
> > my alert box
> > as long 'Please Select' is selected.
> >
> > Is there a way around this?
> >
> > cheers,
> >        Al.