function showAdUnits(adArray) {
	// By default, body class is/should be "fixed_right_column" (300px);
	// we override it in case the page has fixed targeting or has no layout class defined
	var body = document.getElementById('www-newyorkmag-com');
	var new_class = body.className;

	if (!fixed_right_column || fixed_targeting || !body.className.match(/fixed_right_column|ad-column/)) {
		if (body.className.match(/fixed_right_column/)) {
			new_class = new_class.replace("fixed_right_column", "");
		}

		if (adArray[0].match(/160x/)) {
			new_class = new_class + " ad-column-180";
		} else {
			new_class = new_class + " ad-column-300";
		}
	}

	// temp display double-rectangle unit
	if (double_rectangles && show_ad_format_flags["336x280"]) {
		adArray.push("336x280_2");
	}

	for (ctr = 0; ctr < adArray.length; ctr++) {
		if (adArray[ctr].match(/FIXED/)) {
			new_class = new_class + " fixed";
		} else {
			var container = document.getElementById(adArray[ctr]);
			if (container) {
				container.style.display = 'block';
			}
		}
	}

	if (body.className != new_class) {
		body.className = new_class;
	}
}

showAdUnits(adArray);