日期:2014-05-16 浏览次数:20417 次
var roots = $(".index_left li.root");
        for(var i=0;i<roots.length;i++){
            $("#"+roots[i].id).children("a:eq(0)").hover(
                function() { 
                    $(this).css("background-image","url(images/list_2.jpg)").animate({ opacity: '1'},100);
                }, 
                function() { 
                    $(this).css("background-image","url(images/list_1.jpg)").animate({ opacity: '0.8'},100);
                }
            );
        }