图片轮换

<! 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=UTF-8" >
< title > picsGlide </ title >
< style type ="text/css" >
body { font-size : 12px ; color : #333 ; }
#picBox { width : 610px ; height : 205px ; margin : 50px auto ; overflow : hidden ; position : relative ; }
#picBox ul#show_pic { margin : 0 ; padding : 0 ; list-style : none ; height : 205px ; width : 3050px ; position : absolute ; }
#picBox ul#show_pic li { float : left ; margin : 0 ; padding : 0 ; height : 205px ; }
#picBox ul#show_pic li img { display : block ; }
#icon_num { position : absolute ; bottom : 0px ; right : 10px ; }
#icon_num li { float : left ; background : url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0 ; width : 15px ; height : 15px ; list-style : none ; color : #39F ; text-align : center ; cursor : pointer ; padding : 0 ; margin : 0 ; margin-right : 5px ; }
#icon_num li:hover,#icon_num li.active { background : url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0 ; color : #fff ; }
#picBox_top { width : 610px ; height : 205px ; margin : 50px auto ; position : relative ; overflow : hidden ; }
#picBox_top ul#show_pic_top { margin : 0 ; padding : 0 ; list-style : none ; height : 205px ; width : 610px ; position : absolute ; }
#picBox_top ul#show_pic_top li { float : left ; margin : 0 ; padding : 0 ; height : 205px ; }
#picBox_top ul#show_pic_top li img { display : block ; }
#icon_num_top { position : absolute ; bottom : 0px ; right : 10px ; }
#icon_num_top li { float : left ; background : url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0 ; width : 15px ; height : 15px ; list-style : none ; color : #39F ; text-align : center ; cursor : pointer ; padding : 0 ; margin : 0 ; margin-right : 5px ; }
#icon_num_top li:hover,#icon_num_top li.active { background : url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0 ; color : #fff ; }
</ style >
</ head >< body >
< div id ="picBox" >
< ul id ="show_pic" style ="left: -610px;" >
< li >< img src ="QQ左右滚动_files/manage.jpg" alt ="" title ="" width ="610" height ="205" ></ li >
< li >< img src ="QQ左右滚动_files/player.jpg" alt ="" title ="" width ="610" height ="205" ></ li >
< li >< img src ="QQ左右滚动_files/py.jpg" alt ="" title ="" width ="610" height ="205" ></ li >
< li >< img src ="QQ左右滚动_files/xf.jpg" alt ="" title ="" width ="610" height ="205" ></ li >
< li >< img src ="QQ左右滚动_files/TT.jpg" alt ="" title ="" width ="610" height ="205" ></ li >
</ ul >
< ul id ="icon_num" >
< li class ="" > 1 </ li >
< li class ="active" > 2 </ li >
< li class ="" > 3 </ li >
< li class ="" > 4 </ li >
< li class ="" > 5 </ li >
</ ul >
</ div >
< script type ="text/javascript" >
/* *
*glide.layerGlide((oEventCont,oSlider,sSingleSize,sec,fSpeed,point);
*@param auto type:bolean 是否自动滑动 当值是true的时候 为自动滑动
*@param oEventCont type:object 包含事件点击对象的容器
*@param oSlider type:object 滑动对象
*@param sSingleSize type:number 滑动对象里单个元素的尺寸（width或者height） 尺寸是有point 决定
*@param second type:number 自动滑动的延迟时间 单位/秒
*@param fSpeed type:float 速率 取值在0.05--1之间 当取值是1时 没有滑动效果
*@param point type:string left or top
*/
var glide = new function (){
function $id(id){ return document.getElementById(id);};
this .layerGlide = function (auto,oEventCont,oSlider,sSingleSize,second,fSpeed,point){
var oSubLi = $id(oEventCont).getElementsByTagName( ' li ' );
var interval,timeout,oslideRange;
var time = 1 ;
var speed = fSpeed
var sum = oSubLi.length;
var a = 0 ;
var delay = second * 1000 ;
var setValLeft = function (s){
return function (){
oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
$id(oSlider).style[point] =- Math.floor(oslideRange + (parseInt(s * sSingleSize) - oslideRange) * speed) + ' px ' ;
if (oslideRange == [(sSingleSize * s)]){
clearInterval(interval);
a = s;
}
}
};
var setValRight = function (s){
return function (){
oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
$id(oSlider).style[point] =- Math.ceil(oslideRange + (parseInt(s * sSingleSize) - oslideRange) * speed) + ' px ' ;
if (oslideRange == [(sSingleSize * s)]){
clearInterval(interval);
a = s;
}
}
}

function autoGlide(){
for ( var c = 0 ;c < sum;c ++ ){oSubLi[c].className = '' ;};
clearTimeout(interval);
if (a == (parseInt(sum) - 1 )){
for ( var c = 0 ;c < sum;c ++ ){oSubLi[c].className = '' ;};
a = 0 ;
oSubLi[a].className = " active " ;
interval = setInterval(setValLeft(a),time);
timeout = setTimeout(autoGlide,delay);
} else {
a ++ ;
oSubLi[a].className = " active " ;
interval = setInterval(setValRight(a),time);
timeout = setTimeout(autoGlide,delay);
}
}

if (auto){timeout = setTimeout(autoGlide,delay);};
for ( var i = 0 ;i < sum;i ++ ){
oSubLi[i].onmouseover = ( function (i){
return function (){
for ( var c = 0 ;c < sum;c ++ ){oSubLi[c].className = '' ;};
clearTimeout(timeout);
clearInterval(interval);
oSubLi[i].className = " active " ;
if (Math.abs(parseInt($id(oSlider).style[point])) > [(sSingleSize * i)]){
interval = setInterval(setValLeft(i),time);
this .onmouseout = function (){ if (auto){timeout = setTimeout(autoGlide,delay);};};
} else if (Math.abs(parseInt($id(oSlider).style[point])) < [(sSingleSize * i)]){
interval = setInterval(setValRight(i),time);
this .onmouseout = function (){ if (auto){timeout = setTimeout(autoGlide,delay);};};
}
}
})(i)
}
}
}
glide.layerGlide( true , ' icon_num ' , ' show_pic ' , 610 , 2 , 0.1 , ' left ' );
</ script >
</ body ></ html >