/* ------------------------------------------------------------------ */
/* Chicago 7 Zone Grid - 3 Columns, 1 Header and 1 Footer */
/* ------------------------------------------------------------------ */

/* Clamp the entire content of the page to a fixed width,
 * and center it.
 */
div#gridClamp {
    width: 980px;
    margin: 0 auto;
}

/* Main content div, below the navigation. Here basically to provide
 * a background color.
 */
div#gridMain {
    background-color: #FFF;
    position: relative;
    width: 980px;
    
    /* We need to float this element because it contains only floated 
     * elements. If we didn't, the computed height would be 0, because
     * floated elements are not usually part of the computed height of
     * the containing block. Making this element float ensures that the
     * floated child elements are part of the computed height.
     * See the CSS 2.1 spec, sections 10.6.6 and 10.6.7.
     */
    float: left;
}

div#gridMainColumn  {
    clear: left;
    float: left;
    width: 400px;
}


div#gridMainSidebar {
    float: left;
	width: 400px;
}

div#gridSidebarLeft {
	width: 200px;
	float: left;
}
div#gridSidebarRight {
	width: 200px;
	float: right;
}


div#gridAdSidebar {
    float: right;
    width: 180px;
}