//轮播图 function animate (offset) { if (offset 0) { return; } animated true; var time 300; var inteval 10; var speed offset/(time/inteval); var left parseInt(list.style.left) offset; var go function (){ if ( (speed 0 parseInt(list.style.left) left) || (speed 0 parseInt(list.style.left) left)) { list.style.left parseInt(list.style.left) speed px; setTimeout(go, inteval); } else { //无限轮播 list.style.left left px; if(left-200){ list.style.left -600 * len px; } if(left(-600 * len)) { list.style.left -600px; } animated false; } } go(); } function showButton() { //上移显示左右箭头 for (var i 0; i buttons.length ; i) { if( buttons[i].className on){ buttons[i].className ; break; } } buttons[index - 1].className on; } function play() { //自动播放 timer setTimeout(function () { next.onclick(); play(); }, interval); } function stop() { //鼠标上移自动暂停 clearTimeout(timer); } next.onclick function () { if (animated) { return; } if (index 5) { index 1; } else { index 1; } animate(-600); showButton(); } prev.onclick function () { //点击小圆点跳转到相应图片 if (animated) { return; } if (index 1) { index 5; } else { index - 1; } animate(600); showButton(); } for (var i 0; i buttons.length; i) { buttons[i].onclick function () { if (animated) { return; } if(this.className on) { return; } var myIndex parseInt(this.getAttribute(index)); var offset -600 * (myIndex - index); animate(offset); index myIndex; showButton(); } } container.onmouseover stop; container.onmouseout play; play();