Altering what a class does

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From	Dr J R Stockton <reply1234@merlyn.demon.co.uk.invalid>
Newsgroups	comp.lang.javascript
Subject	Altering what a class does
Date	Mon, 20 Aug 2012 20:47:47 +0100
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In the Head of a page, I have

<link rel="StyleSheet" href="styles-a.css" type="text/css">

<style type="text/css">
 /* more classes */
 .JAX { display: none }
 /* maybe more classes */
</style>

At the press of a button, I wish to alter JAX to { display: block }  -
or to just { } or to remove the rule; the button already has an onclick
handler.

It would save me some cogitation if the necessary code were supplied.

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Altering what a class does Dr J R Stockton <reply1234@merlyn.demon.co.uk.invalid> - 2012-08-20 20:47 +0100
  Re: Altering what a class does dhtml <dhtmlkitchen@gmail.com> - 2012-08-20 16:12 -0700
    Re: Altering what a class does "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2012-08-21 07:59 +0000
      Re: Altering what a class does Dr J R Stockton <reply1234@merlyn.demon.co.uk.invalid> - 2012-08-23 19:54 +0100
        Re: Altering what a class does "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2012-08-23 23:01 +0000
  Re: Altering what a class does Dr.Kral@nyc.rr.com - 2012-08-23 13:16 -0400
  Re: Altering what a class does "Tom de Neef" <tdeneef@qolor.nl> - 2012-08-24 19:18 +0200
  Re: Altering what a class does Scott Sauyet <scott.sauyet@gmail.com> - 2012-08-29 13:33 -0700
    Re: Altering what a class does Dr J R Stockton <reply1235@merlyn.demon.co.uk.invalid> - 2012-08-30 22:19 +0100
      Re: Altering what a class does Scott Sauyet <scott.sauyet@gmail.com> - 2012-08-31 20:39 -0700
        Re: Altering what a class does "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2012-09-01 08:23 +0000
        Re: Altering what a class does Dr J R Stockton <reply1235@merlyn.demon.co.uk.invalid> - 2012-09-02 19:49 +0100
          Re: Altering what a class does Scott Sauyet <scott.sauyet@gmail.com> - 2012-09-03 15:45 -0700
            Re: Altering what a class does Gene Wirchenko <genew@ocis.net> - 2012-09-03 17:13 -0700
            Re: Altering what a class does Dr J R Stockton <reply1236@merlyn.demon.co.uk.invalid> - 2012-09-04 21:10 +0100
            Re: Altering what a class does Dr J R Stockton <reply1236@merlyn.demon.co.uk.invalid> - 2012-09-06 23:37 +0100

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