html

<div id="header">
    <span id="logo">tady bude logo</span>
</div>

<div id="menu">
    tady je nejake to menu (horizontalni)
</div>

<div id="content">
    <div class="columnLeft">
        tady je obsah leveho sloupce
    </div>

    <div id="mainContainer">tady je obsah toho stredoveho sloupce</div>

    <div class="columnRight">
        a tady je obsah toho praveho sloupce
    </div>
</div>

<div id="footer">a tady mas footer</div>



<style type="text/css"><!--

#content { width:950px; color:red;}
#mainContainer { border: 1px solid #C6C6C6; float: left; width: 612px; min-height: 500px; margin: 0 5px; margin-bottom: 10px; }
.columnLeft, .columnRight { border: 1px solid #C6C6C6; width: 160px; margin-bottom: 10px; }
.columnLeft { float: left;}
.columnRight { float: right; }
#footer { clear: both;  padding: 20px;}

-->
</style>