//<![CDATA[
function imgChang (id) {
    id = "#" + id;
    var imgCount = $(id + " > img").length;
    imgCount = imgCount ? imgCount : 3;
    (function() {
        var curr = 0;
        $(id + " #jsNav .trigger").each(function(i) {
            $(this).click(function() {
                curr = i;
                $(id + " img").eq(i).fadeIn("slow").siblings("img").hide();
                $(this).siblings(".trigger").removeClass("imgSelected").end().addClass("imgSelected");
                return false;
            });
        });

        var pg = function(flag) {
            if (flag) {
                if (curr == 0) {
                    todo = imgCount - 1;
                } else {
                    todo = (curr - 1) % imgCount;
                }
            } else {
                todo = (curr + 1) % imgCount;
            }
            $(id + " #jsNav .trigger").eq(todo).click();
        };

        $(id + " #prev").click(function() {
            pg(true);
            return false;
        });

        $(id + " #next").click(function() {
            pg(false);
            return false;
        });

        var timer = setInterval(function() {
            todo = (curr + 1) % imgCount;
            $(id + " #jsNav .trigger").eq(todo).click();
        }, 2500);

        $(id + " #jsNav a").hover(function() {
            clearInterval(timer);
        },
			function() {
			    timer = setInterval(function() {
			        todo = (curr + 1) % imgCount;
			        $(id + " #jsNav .trigger").eq(todo).click();
			    }, 2500);
			}
		);
    })();
}
//]]>

//ͼ www.lanrentuku.com