I just found out that I can use top: Xpx and left: Ypx to position anything in CSS, and it works with version 4+ browsers... But there must be something I'm not getting, here, else everyone would do this, right?
Anyways, the code I got was something like:
<div class="content">The content of the page here..</div>
<div class="sidebar">Sidebar stuff here</div>
and this would be all i'd need in the <body> of the page, then the CSS would be: