(function($) {
	$.fn.lavaLamp = function(o) {
		o = $.extend({
			fx : "linear",
			speed : 500,
			click : function() {
			}
		}, o || {});
		return this.each(function() {
			var b = $(this), noop = function() {
			}, $back = $('<li class="back"><div class="left"></div></li>')
					.appendTo(b), $li = $("li", this), curr=(($("li.current_page_parent",this)[0]||
							$("li.current-cat",this)[0])||
							$("li.current_page_item",this)[0])||
							$($li[0]).addClass("current_page_item")[0];

			$li.not(".back").mouseover(function() {
				move(this)
			}, noop);
			$(this).hover(noop, function() {
				move(curr)
			});
			$li.click(function(e) {
				setCurr(this);
				return o.click.apply(this, [ e, this ])
			});
			setCurr(curr);
			function setCurr(a) {
				$back.css({
					"left" : a.offsetLeft + "px",
					"width" : a.offsetWidth + "px"
				});
				curr = a
			}
			;
			function move(a) {
				$back.each(function() {
					$(this).dequeue()
				}).animate({
					width : a.offsetWidth,
					left : a.offsetLeft
				}, o.speed, o.fx)
			}
		})
	}
})(jQuery);