Using URL Parameters to Control Data Regions - HTML Data set.

Hello folks,
I creating a website for company and I am using HTML data set for siderbar navigation and content. It works beautifully and content updates as it have to without page refreshing. But I need to have an unique url for each sidebar element, so I i found this nice sample http://labs.adobe.com/technologies/spry/samples/data_region/DataWithURLParams.html?row=20. I did analogy with that sample on my website and indeed all sidebar elements now have unique url - but here comes new problem. Now when I click on the each sidebar element - page starts to refresh . Here is my website http://www.varpa.eu . What have i done wrong ? How can I get it to load new content without refreshing the page and to have each sidebar element unique url ? Please mention that I am talking only about the sidebar , not the topbar. Please help me .
Sorry for my bad english , it aint my native language.
Thank you,
Richard.

Thank you for your response Ben.
That code which you provided is the top bar code. The top bar buttons should refresh the page, because I haven't done a spry magic with them yet.
I was talking about the sidebar where Company , History etc. elements are standing. Sidebar code is:
<div id="sidebarbuttonwrapper" spry:region="about_us" >
<div spry:repeatchildren="about_us" spry:choose="choose" >
<div id="sidebarbutton"
onclick="location.href='about.html?row={ds_RowID}';"
spry:when="{ds_CurrentRowID} == {ds_RowID}" spry:setrow="about_us" spry:selected="sidebarbuttonselected" spry:select="sidebarbuttonselected" spry:hover="sidebarbuttonhover">{button_name}</div>
<div id="sidebarbutton"
onclick="location.href='about.html?row={ds_RowID}';" spry:default="spry:default" spry:setrow="about_us" spry:hover="sidebarbuttonhover" spry:select="sidebarbuttonselected">
{button_name}
</div>
</div>
</div>
As you can see here http://www.varpa.eu/test/about.html?row=0 when I click on the sidebar elements page doesn't refresh , but the each sidebar element doesn't have unique URL.
When I included the URL params as in that sample above, now in this case http://www.varpa.eu/about.html?row=0 each element have unique URL, but this URL change makes page to refresh.
Any suggestion how to achieve that each sidebar element would have unique URL, and clicking on it would not cause page to refresh ?
Richard.

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Message was updated by: ec1lennie

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