[Abidoblader]

<div class="carBox"></div>
<div class="carBox"></div>
<div class="carBox"></div>
<div class="carBox"></div>
<div class="paramWrap"></div>
<div class="carBox"></div>
<div class="carBox"></div>
<div class="carBox"></div>
<div class="carBox"></div>
<div class="paramWrap"></div>

<script>
	$('.carBox').click(function(){
		var i = 0;
		infobox = $(this).next('div');
		while (i == 0) {
			if (infobox.hasClass('paramWrap') != false) {
				i = 1;
			} else {
				infobox = infobox.next('div');
				if (!infobox.length) {
					i = 1;
				}
			}
		}

		$('.paramWrap').removeClass('open');
		infobox.addClass('open');
	});
</script>