function beginSlideShow(interval, containerId, listingId) {
	$(window).load(function() {
		var container = $("#webbox" + containerId);
		var listings = $(container).children();
		var listing = $(listings).eq(listingId);
		listings.each(function() {
			$(this).find(".content").append($("<div>").addClass("filler"));
		});

		var slide = function() {
			var maxHeight = 0;
			listings.each(function() {
				maxHeight = Math.max(maxHeight, this.offsetHeight - $(".filler", $(this)).get(0).offsetHeight);
			});
			var prop = $(".filler", listing);
			var propHeight = Math.max(0, maxHeight - (listing.get(0).offsetHeight - prop.get(0).offsetHeight));
			prop.css({"height":propHeight + "px", display: propHeight ? "block" : "none"});
			listings.removeClass("on");
			listing = listing.addClass("on").next();
			if (!listing.length) listing = $(listings).eq(0);
		}

		slide();
		window.setInterval(slide, interval);
	});
}