图片轮播效果

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图片轮播

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>11111111111</title>
<style>
html {}
body, ul {margin:0;padding:0}
li {list-style:none}
img {border:none;display:block}
.slide-wp {
width: 500px;
height: 300px;
overflow: hidden;
position: absolute;
left: 50%;
top: 50%;
margin-left: -250px;
margin-top: -150px;
}
.nav-wp {
position: absolute;
background: #ccc;
top: 50%;
margin-top: 170px;
left: 50%;
margin-left: -100px;
border-radius: 4px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
padding: 0 20px 6px 10px;
_padding: 0 20px 2px 10px;
}
.nav li {
float: left;
margin-left: 10px;
font-size: 20px;
font-weight: bold;
font-family: tahoma;
color: #22739e;
cursor: pointer;
height: 22px;
}
.nav li.cur{color: #ff7a00}
.next {
position:absolute;
top: 0;
left: 160px;
padding: 4px 8px;
color: #ff7a00;
background: #ccc;
height: 20px;
border-radius: 4px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
cursor: pointer;
}
</style>
</head>
<body><br><br>
<P align=center><a href="http://s-44827.gotocdn.com/" style=text-decoration:none target="_blank"><FONT color=#006600 size=5></a></FONT></P>

<div id="slider" class="slide-wp">
<ul>
<li><a href="http://s-44827.gotocdn.com/" target="_blank"><img src="musicback.jpg" alt="" /></a></li>
<li><a href="http://s-44827.gotocdn.com/" target="_blank"><img src="1.jpg" alt="" /></a></li>
<li><a href="http://s-44827.gotocdn.com/" target="_blank"><img src="2.jpg" alt="" /></a></li>
<li><a href="http://s-44827.gotocdn.com/" target="_blank"><img src="3.jpg" alt="" /></a></li>
<li><a href="http://s-44827.gotocdn.com/" target="_blank"><img src="4.jpg" alt="" /></a></li>
</ul>
</div>
<div class="nav-wp">
<ul id="nav" class="nav">
<li onclick="mySlider.pos(0)">1</li>
<li onclick="mySlider.pos(1)">2</li>
<li onclick="mySlider.pos(2)">3</li>
<li onclick="mySlider.pos(3)">4</li>
<li onclick="mySlider.pos(4)">5</li>
</ul>
<a class="next" onclick="mySlider.move()">next</a>
</div>
<script type="text/javascript">
var HR = {
$ : function(i) {return document.getElementById(i)},
$$ : function(c, p) {return p.getElementsByTagName(c)},
ce : function(i, t) {
var o = document.createElement(i);
t.appendChild(o);
return o;
}
};
HR.slider3D = function () {
var init = function (o) {
this.o = o;
var wp = HR.$(o.id), ul = HR.$$('ul', wp)[0], li = this.li = HR.$$('li', ul);
this.l = li.length;
this.w = wp.offsetWidth;
this.h = wp.offsetHeight;
this.at = o.auto? o.auto : 4;
var con = this.con = HR.ce('div', wp);
con.style.cssText = 'position:absolute;left:0;top:0;width:'+this.w+'px;height:'+this.h+'px';
ul.style['display'] = 'none';
this.a1 = HR.ce('a', con);
this.a1.style.cssText = 'position:absolute;left:0;top:0;overflow:hidden';
this.a2 = HR.ce('a', con);
this.a2.style.cssText = 'position:absolute;top:0;right:0;overflow:hidden';
this.a1.innerHTML = this.a2.innerHTML = '<img alt="" />';
this.img = HR.$$('img', ul);
this.s = o.maskSize ? o.maskSize : 5;

this.mask11 = HR.ce('span', this.a1);
this.mask12 = HR.ce('span', this.a1);
this.mask21 = HR.ce('span', this.a2);
this.mask22 = HR.ce('span', this.a2);

this.pos(0);
}
init.prototype = {
pos : function (i) {
   clearInterval(this.li[i].a); clearInterval(this.au); this.au = 0; this.cur = i;
   var navli = HR.$$('li', HR.$(this.o.navId));
   for (var j=0; j<navli.length; j++) {
    navli[j].className = i == j ? 'cur' : '';
   }
   var img1 = HR.$$('img', this.a1)[0], img2 = HR.$$('img', this.a2)[0], _this = this;
   img1.src = i==0 ? this.img[this.l-1].src : this.img[i-1].src;
   img1.width = this.w;
   img2.src = this.img[i].src;
   img2.width = 0;
   img1.height = img2.height = this.h;
   this.mask11.style.cssText = 'position:absolute;left:0;top:0;font-size:0;overflow:hidden;width:0;height:0;border-color:black transparent transparent black;border-style:solid dashed dashed solid;border-width:0 '+this.w/2+'px';
   this.mask12.style.cssText = 'position:absolute;left:0;bottom:0;font-size:0;overflow:hidden;width:0;height:0;border-color:transparent transparent black black;border-style:dashed dashed solid solid;border-width:0 '+this.w/2+'px';
   this.mask21.style.cssText = 'position:absolute;right:0;top:0;font-size:0;overflow:hidden;width:0;height:0;border-color:black black transparent transparent;border-style:solid solid dashed dashed;border-width:0px';
   this.mask22.style.cssText = 'position:absolute;right:0;bottom:0;font-size:0;overflow:hidden;width:0;height:0;border-color:transparent black black transparent;border-style:dashed solid solid dashed;border-width:0px';
   this.li[i].a = setInterval(function(){_this.anim(i)}, 20);
},
anim : function (i) {
   var w1 = HR.$$('img', this.a1)[0].width, w2 = HR.$$('img', this.a2)[0].width;
   if (w2 == this.w) {
    clearInterval(this.li[i].a);
    HR.$$('img', this.a1)[0].width = 0;
    HR.$$('img', this.a2)[0].width = this.w;
    this.mask11.style.borderLeftWidth = this.mask11.style.borderRightWidth = this.mask12.style.borderLeftWidth = this.mask12.style.borderRightWidth = '0px';
    this.mask11.style.borderTopWidth = this.mask11.style.borderBottomWidth = this.mask12.style.borderTopWidth = this.mask12.style.borderBottomWidth = this.h/this.s + 'px';
    this.mask21.style.borderLeftWidth = this.mask21.style.borderRightWidth = this.mask22.style.borderLeftWidth = this.mask22.style.borderRightWidth = this.w/2 + 'px';
    this.mask21.style.borderTopWidth = this.mask21.style.borderBottomWidth = this.mask22.style.borderTopWidth = this.mask22.style.borderBottomWidth = '0px';
   }else {
    HR.$$('img', this.a1)[0].width -= Math.ceil((this.w-w2)*.13);
    HR.$$('img', this.a2)[0].width += Math.ceil((this.w-w2)*.13);
    this.mask11.style.borderLeftWidth = this.mask11.style.borderRightWidth = this.mask12.style.borderLeftWidth = this.mask12.style.borderRightWidth = HR.$$('img', this.a1)[0].width/2 + 'px';
    this.mask11.style.borderTopWidth = this.mask11.style.borderBottomWidth = this.mask12.style.borderTopWidth = this.mask12.style.borderBottomWidth = HR.$$('img', this.a2)[0].width*this.h/(this.s*this.w) + 'px';
    this.mask21.style.borderLeftWidth = this.mask21.style.borderRightWidth = this.mask22.style.borderLeftWidth = this.mask22.style.borderRightWidth = HR.$$('img', this.a2)[0].width/2 + 'px';
    this.mask21.style.borderTopWidth = this.mask21.style.borderBottomWidth = this.mask22.style.borderTopWidth = this.mask22.style.borderBottomWidth = this.h/this.s - HR.$$('img', this.a2)[0].width*this.h/(this.s*this.w) + 'px';
    if (!this.au) this.auto();
   }
},
auto : function () {
   var _this = this;
   this.au = setInterval(function(){_this.move()}, this.at*1000);
},
move : function () {
   var n = this.cur==this.l-1 ? 0 : this.cur+1;
   this.pos(n);
}
}
return init;
}();
var mySlider = new HR.slider3D({
id: 'slider',
maskSize: 6,
navId: 'nav',
auto: 4
})</script>
</body>
</html>