Javascript Modification to change "active" menu buttons

I am trying to implement an accordion menu with nothing but html, css, and javascript.
http://test.gunold.com

So far so good. However, the boss has requested that there be some way to "make the 'active' page's menu buttons be different so people can see where they are".

Is it possible to edit this javascript so that I can style the "active" buttons in css? I haven't been able to find a way to do it with just the html or css, so this is my Hail Mary pass. If this doesn't work, I'm going to have to scrap the whole menu and use something else. Not a big deal for you developers out there, but for us measly designers, I'm not looking forward to it.

SO - I first need to know if what I want to do is even possible. Second I need to know if anyone out there can help me (if it's simple) or, if complicated, how much you would charge to do it.

Thank you in advance for responding. PLEASE NOTE: I'm new to EE and only a designer, NOT a developer. So, please be kind, and speak in simple English.
sulkyAsked:
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armchangConnect With a Mentor Commented:
Question:Is it possible to edit this javascript so that I can style the "active" buttons in css?

Yes, it is possible. In Javascript, you can do like this:

document.getElementById("MyElement").className += " MyClass";

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where the MyElement is the name of the HTML Control, e.g. Button, Textbox, etc. If you do want to change an elements class during a button click, you can also do this:

<script type="text/javascript">
    function changeClass()
    {
        // code examples from above
    }
</script>
...
<button onclick="changeClass()">My Button</button>

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Sudaraka WijesingheConnect With a Mentor Web Application ProgrammerCommented:
And in this case you probably can compare the current url (location.href) to with the href of the A tag and determine if you are on the page referenced by that link.
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scrathcyboyConnect With a Mentor Commented:
The way I did this for a website is real simple.

Each HTML page knows its own name, correct?  So you simply HIGHLIGHT the link to that page in the coding for each page.

Menu -- Page A -- Page B -- Page C -- Page D

Page D, in the CSS, you simply change the highlighting of Page D to bright red, or something obvious.
You can do this in javascript too, as a universal routine, but you don't have to.

I found it simpler for each page to highlight its own menu link -- it was too easy !!
Just change 2 lines of code in the CSS -- it was so obvious, I didn't bother with a universal routine.
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