jquery 滚动效果插件

1.css

<style>

.fl {
    float: left;
}
.slider0 img {
    display: block;
    width:100px;
    padding: 2px;
    
}
.slider0 li {
    background: url("http://www.lampbrother.net/php/statics/images/lamp/php_qiye_bg.png") no-repeat scroll 120px 5px ;
    color: #000000;
    font-size: 15px;
    height: 150px;
    margin-left: 10px;
    overflow: hidden;
    padding: 10px 0;
    width: 100%;
}
.slider0 p {
    color: #808080;
    float: left;
    font: 12px/25px Verdana,Tahoma,'Microsoft Yahei','Simsun';
    margin: 10px 0 0;
    padding-left: 70px;
    width: 720px;
}
.slider0 .tit {
    color: #333333;
    font: 15px/25px Verdana,Tahoma,'Microsoft Yahei','Simsun';
}
</style>

2.html

　　　　　<div class="wp">

                <ul  class="slider0" >
                    <li >
                        <a class="fl"><img src="<?=base_url('uploads')?>/tou1.jpg"  alt="php视频教程|php教程"></a>
                        <p class="tit">李明珠</p>
                        <p>很好！</p>
                    </li><li >
                        <a class="fl"><img src="<?=base_url('uploads')?>/tou2.jpg"   alt="php视频教程|php教程"></a>
                        <p class="tit">李海海</p>
                        <p>good</p>
                    </li><li >
                        <a class="fl"><img src="<?=base_url('uploads')?>/tou3.jpg"   alt="php视频教程|php教程"></a>
                        <p class="tit">刘旭东</p>
                        <p>太棒了！</p>
                    </li><li >
                        <a class="fl"><img src="<?=base_url('uploads')?>/tou4.jpg"   alt="php视频教程|php教程"></a>
                        <p class="tit">陈陈</p>
                        <p>很强大！</p>
                    </li>            
                </ul>
        </div>

3.js

<script type="text/javascript">

function H$(i) {return document.getElementById(i)}

function H$$(c, p) {return p.getElementsByTagName(c)}

var slider = function () {

function init (o) {

this.id = o.id;

this.at = o.auto ? o.auto : 3;

this.o = 0;

this.pos();

}

init.prototype = {

pos : function () {

clearInterval(this.__b);

this.o = 0;

var el = H$(this.id), li = H$$('li', el), l = li.length;

var _t = li[l-1].offsetHeight;

var cl = li[l-1].cloneNode(true);

cl.style.opacity = 0; cl.style.filter = 'alpha(opacity=0)';

el.insertBefore(cl, el.firstChild);

el.style.top = -_t + 'px';

this.anim();

},

anim : function () {

var _this = this;

this.__a = setInterval(function(){_this.animH()}, 20);

},

animH : function () {

var _t = parseInt(H$(this.id).style.top), _this = this;

if (_t >= -1) {

clearInterval(this.__a);

H$(this.id).style.top = 0;

var list = H$$('li',H$(this.id));

H$(this.id).removeChild(list[list.length-1]);

this.__c = setInterval(function(){_this.animO()}, 20);

//this.auto();

}else {

var __t = Math.abs(_t) - Math.ceil(Math.abs(_t)*.07);

H$(this.id).style.top = -__t + 'px';

}

},

animO : function () {

this.o += 2;

if (this.o == 100) {

clearInterval(this.__c);

H$$('li',H$(this.id))[0].style.opacity = 1;

H$$('li',H$(this.id))[0].style.filter = 'alpha(opacity=100)';

this.auto();

}else {

H$$('li',H$(this.id))[0].style.opacity = this.o/100;

H$$('li',H$(this.id))[0].style.filter = 'alpha(opacity='+this.o+')';

}

},

auto : function () {

var _this = this;

this.__b = setInterval(function(){_this.pos()}, this.at*1000);

}

}

return init;

}();

new slider({id:'slider'})

</script>