// Requires jQuery
$(document).ready(function() {
	var dynamicParents = $.unique($(".section-teaser-dynamic").parent().get());
	$.each(dynamicParents, function() {
		var $parent = $(this);
		var $sectionDivs = $parent.children(".section-teaser-dynamic");
		var numSections = $sectionDivs.length;
		$sectionDivs.each(function() {
			$(this).removeClass("section-teaser-dynamic");
			$(this).addClass("across-" + numSections);
		});
	});
});