Here is how I would do this:
First, add this to the CSS in your header:
CODE
#switches {width:120px;margin:auto;text-align:left;}
ul#switches li {padding:0px;float:left;width:120px;}
Adjust your alignment, width, float, etc, according to how you want the page to look.
Then add this to your header:
CODE
<script type="text/javascript">
function switch1(div) {
var option=['sect1','sect2','sect3','sect4'];
for(var i=0; i<option.length; i++) {
if (document.getElementById(option[i])) {
obj=document.getElementById(option[i]);
obj.style.display=(option[i]==div)? "block" : "none";
}
}
}
window.onload=function () {switch1('sect1');}
</script>
You can change the section names to something else if you want (ie, "sect1" to "intro", etc, etc...) just be sure to change the window.onload section name to whatever section you want displayed first.
Use this for your navigation links:
CODE
<ul id="switches">
<li><a class="toolbar" href="java script:void[0];" onclick="switch1('sect1');">Overview</a></li>
</ul>
Again, change the section names to whichever section you want to display when that particular link is clicked.
For your main content area, add divs with your section names - all inside your main div, like this:
CODE
<div id="main"> <!--Start main division-->
<div id="sect1"> <!--Start section-->
testing
</div> <!--End section-->
<div id="sect2"> <!--Start next section-->
testing more
</div> <!--End next section-->
</div> <!--End main division-->
It's not pretty, but this will give you an idea of the final result:
Click here.
Hope it helps!