带缩略图响应鼠标滑过图片切换的代码
代码简介：
超好的图片幻灯切换效果，带缩略图，响应鼠标滑过动作，鼠标滑过自动切换为相应大图，配合JS生成的动画效果，看上去很入眼，比较适合图片站或游戏站做精品推荐，而且也容易替换为动态读取，全新的CSS LI列表，代码更简洁，很不错吧
代码内容：
View Code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-
transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>带缩略图响应鼠标滑过图片切换的代码 - www.webdm.cn</title>
<style type="text/css">
* { margin:0; padding:0; word-break:break-all; }
body {
font:12px/1.6em Helvetica, Arial, sans-serif;
margin: 0px;
}
h1, h2, h3, h4, h5, h6 { font-size:1em; }
a { color:#0287CA; text-decoration:none; }
a:hover { text-decoration:underline; }
ul, li { list-style:none; }
fieldset, img { border:none; }
legend { display:none; }
em, strong, cite, th { font-style:normal; font-weight:normal; }
input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; }
table { border-collapse:collapse; }
html { overflow:-moz-scrollbars-vertical; } /* / */
/* / */
#ifocus { width:650px; height:245px; margin:0px; border:1px solid #DEDEDE; background:#F8F8F8; }
#ifocus_pic { display:inline; position:relative; float:left; width:540px; height:225px; overflow:hidden; margin:10px
0 0 10px; }
#ifocus_piclist { position:absolute; }
#ifocus_piclist li { width:550px; height:225px; overflow:hidden; }
#ifocus_piclist img { width:550px; height:225px; }
#ifocus_btn { display:inline; float:right; width:91px; margin:9px 9px 0 0; }
#ifocus_btn li { width:91px; height:57px; cursor:pointer; opacity:0.5; -moz-opacity:0.5; filter:alpha(opacity=50); }
#ifocus_btn img { width:75px; height:45px; margin:7px 0 0 11px; }
#ifocus_btn .current { background: url(http://www.webdm.cn/images/20091006/ifocus_btn_bg.gif) no-repeat; opacity:1;
-moz-opacity:1; filter:alpha(opacity=100); }
#ifocus_opdiv { position:absolute; left:0; bottom:0; width:545px; height:35px; background:#000; opacity:0.5; -moz-
opacity:0.5; filter:alpha(opacity=50); }
#ifocus_tx { position:absolute; left:8px; bottom:8px; color:#FFF; }
#ifocus_tx .normal { display:none; }
</style>
<script type="text/javascript">
function $(id) { return document.getElementById(id); }
function addLoadEvent(func){
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function(){
oldonload();
func();
}
}
}
function moveElement(elementID,final_x,final_y,interval) {
if (!document.getElementById) return false;
if (!document.getElementById(elementID)) return false;
var elem = document.getElementById(elementID);
if (elem.movement) {
clearTimeout(elem.movement);
}
if (!elem.style.left) {
elem.style.left = "0px";
}
if (!elem.style.top) {
elem.style.top = "0px";
}
var xpos = parseInt(elem.style.left);
var ypos = parseInt(elem.style.top);
if (xpos == final_x && ypos == final_y) {
return true;
}
if (xpos < final_x) {
var dist = Math.ceil((final_x - xpos)/10);
xpos = xpos + dist;
}
if (xpos > final_x) {
var dist = Math.ceil((xpos - final_x)/10);
xpos = xpos - dist;
}
if (ypos < final_y) {
var dist = Math.ceil((final_y - ypos)/10);
ypos = ypos + dist;
}
if (ypos > final_y) {
var dist = Math.ceil((ypos - final_y)/10);
ypos = ypos - dist;
}
elem.style.left = xpos + "px";
elem.style.top = ypos + "px";
var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
elem.movement = setTimeout(repeat,interval);
}
function classNormal(iFocusBtnID,iFocusTxID){
var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
for(var i=0; i<iFocusBtns.length; i++) {
iFocusBtns[i].className='normal';
iFocusTxs[i].className='normal';
}
}
function classCurrent(iFocusBtnID,iFocusTxID,n){
var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
iFocusBtns[n].className='current';
iFocusTxs[n].className='current';
}
function iFocusChange() {
if(!$('ifocus')) return false;
$('ifocus').onmouseover = function(){atuokey = true};
$('ifocus').onmouseout = function(){atuokey = false};
var iFocusBtns = $('ifocus_btn').getElementsByTagName('li');
var listLength = iFocusBtns.length;
iFocusBtns[0].onmouseover = function() {
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (listLength>=2) {
iFocusBtns[1].onmouseover = function() {
moveElement('ifocus_piclist',0,-225,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',1);
}
}
if (listLength>=3) {
iFocusBtns[2].onmouseover = function() {
moveElement('ifocus_piclist',0,-450,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',2);
}
}
if (listLength>=4) {
iFocusBtns[3].onmouseover = function() {
moveElement('ifocus_piclist',0,-675,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',3);
}
}
}
setInterval('autoiFocus()',3500);
var atuokey = false;
function autoiFocus() {
if(!$('ifocus')) return false;
if(atuokey) return false;
var focusBtnList = $('ifocus_btn').getElementsByTagName('li');
var listLength = focusBtnList.length;
for(var i=0; i<listLength; i++) {
if (focusBtnList[i].className == 'current') var currentNum = i;
}
if (currentNum==0&&listLength!=1 ){
moveElement('ifocus_piclist',0,-225,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',1);
}
if (currentNum==1&&listLength!=2 ){
moveElement('ifocus_piclist',0,-450,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',2);
}
if (currentNum==2&&listLength!=3 ){
moveElement('ifocus_piclist',0,-675,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',3);
}
if (currentNum==3 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (currentNum==1&&listLength==2 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (currentNum==2&&listLength==3 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
}
addLoadEvent(iFocusChange);
</script>
</head>
<body>
<br />
<div align="center">
<div id="ifocus">
<div id="ifocus_pic">
<div id="ifocus_piclist" style="left:0; top:0;">
<ul>
<li><a href="/" target="_blank"><img src="http://www.webdm.cn/images/wall1.jpg" width="550" height="225"
alt="" border="0" /></a></li>
<li><a href="/" target="_blank"><img src="http://www.webdm.cn/images/wall2.jpg" width="550" height="225"
alt="" border="0" /></a></li>
<li><a href="/" target="_blank"><img src="http://www.webdm.cn/images/wall3.jpg" width="550" height="225"
alt="" border="0" /></a></li>
<li><a href="/" target="_blank"><img src="http://www.webdm.cn/images/wall4.jpg" width="550" height="225"
alt="" border="0" /></a></li>
</ul>
</div>
<div id="ifocus_opdiv"></div>
<div id="ifocus_tx">
<ul>
<li class="current">2009年度中国最美的地方</li>
<li class="normal">国家不再允许任何省份搞特例恢复“五一”</li>
<li class="normal">我心中最想去的地方，是哪里呢？</li>
<li class="normal">网页代码站欢迎您来此旅游</li>
</ul>
</div>
</div>
<div id="ifocus_btn">
<ul>
<li class="current"><img src="http://www.webdm.cn/images/wall1_s.jpg" width="90" height="47" alt="" /></li>
<li class="normal"><img src="http://www.webdm.cn/images/wall2_s.jpg" width="90" height="47" alt="" /></li>
<li class="normal"><img src="http://www.webdm.cn/images/wall3_s.jpg" width="90" height="47" alt="" /></li>
<li class="normal"><img src="http://www.webdm.cn/images/wall4_s.jpg" width="90" height="47" alt="" /></li>
</ul>
</div>
</div>
</div>
</body>
</html>
<br />
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</p>
代码来自：http://www.webdm.cn/webcode/d2a7c60c-cf86-44d7-8c07-9e9b447ab2cf.html
