<!--把下列代码放到HEAD区域内-->
<head>
<title>连续环绕滚动图片</title>
<script type='text/javascript'>
function carousel(params){
if(!(params.width>0 && isFinite(params.width)))params.width=100;
if(!(params.height>0 && isFinite(params.height)))params.height=100;
if(!(params.sides>2 && isFinite(params.sides)))params.sides=4;
if(!(params.steps>0 && params.steps<100 && isFinite(params.steps)))params.steps=20;
if(!(params.speed>0 && isFinite(params.speed)))params.speed=8;
if(!(params.image_border_width>=0 && isFinite(params.image_border_width)))params.image_border_width=0;
if(isFinite(params.id)||!params.id)params.id='bad_id_given_'+Math.random();
document.write("<div style='position:relative;overflow:hidden;' id='"+params.id.replace(/[\r\n\t ]+/g,'_')+"'></div>");
var cdiv=document.getElementById(params.id.replace(/[\r\n\t ]+/g,'_'))
cdiv.style.width=params.width+'px';
cdiv.style.height=params.height+'px';
cdiv.style.border=params.border;
cdiv.style.position='relative';
cdiv.style.overflow='hidden';
cdiv.title=params.id;
var counter=0,spinning=true,interval=Math.floor(60000/params.sides/params.steps/params.speed)-5;
interval=isNaN(interval)?200:interval;
var img_position=[],images=[],img_dimension=[];
var img_index=params.images.length+1,img_index_cap=2*params.images.length;
var faces=Math.ceil(params.sides/2), dimension, direction;
function init(){
if(params.direction=="left" || params.direction=="right"){
direction=params.direction;
dimension="width";
}
else if(params.direction=="top" || params.direction=="bottom"){
direction=params.direction;
dimension="height";
}
else {
direction="left";
dimension="width";
}
cdiv.style[dimension]=params[dimension]/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)+'px';
var img=new Image();
img.style.position='absolute';
img.style[direction]='10000px';
img.style.width=params.width-2*params.image_border_width+'px';
img.style.height=params.height-2*params.image_border_width+'px';
img.style.border=(params.image_border_width||0)+'px solid '+params.image_border_color;
//more javascript from http://www.knowsky.com
for(var i=0;i<params.images.length;i++){
images[i]=img.cloneNode(true);
images[i].src=params.images[i];
if(params.links && params.links[i] && params.links[i]!=''){
images[i].onclick=new Function("window.location='"+params.links[i]+"'");
images[i].style.cursor=document.all?'hand':'pointer';
}
if(params.titles && params.titles[i] && params.titles[i]!='')
images[i].title=params.titles[i];
images[i+params.images.length]=images[i];
if(params.images.length==faces)
images[i+2*params.images.length]=images[i];
cdiv.appendChild(images[i]);
}
var face_size=params.size_mode=='image'?params[dimension]:params[dimension]*Math.sin(Math.PI/params.sides);
var face_offset=params[dimension]*Math.cos(Math.PI/params.sides)/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)/2-.5;
var pi_piece=2*Math.PI/params.steps/params.sides;
for(i=0;i<=params.steps*faces;i++){
img_dimension[i]=face_size*Math.sin(pi_piece*i);
img_position[i]=(i<params.steps*params.sides/2)?Math.floor(params[dimension]/2/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)-face_offset*Math.cos(pi_piece*i)-img_dimension[i]/2)+'px':'10000px';
img_dimension[i]=img_dimension[i]-2*params.image_border_width>1?Math.ceil(img_dimension[i])-2*params.image_border_width+'px':'1px';
}
}
init();
cdiv.rotate = function(){
setTimeout('document.getElementById("'+cdiv.id+'").rotate()',interval);
if(!spinning) return;
if(++counter>=params.steps){
counter=0;
if(++img_index>=img_index_cap)
img_index=params.images.length;
}
images[img_index-faces].style[direction]='20000px';
for(var i=faces-1;i>=0;i--){
images[img_index-i].style[direction]=img_position[counter+i*params.steps];
images[img_index-i].style[dimension]=img_dimension[counter+i*params.steps];
}
}
cdiv.onmouseover=function(){
spinning=false;
}
cdiv.onmouseout=function(){
spinning=true;
}
setTimeout('document.getElementById("'+cdiv.id+'").rotate()',200);
}
</script>
</head>
<!--把下列代码放到body区域内-->
<body>
<h3>水平方向滚动</h3>
<script type='text/javascript'>
carousel({id:'Amazon Books', //Enter arbitrary but unique ID of this slideshow instance
border:'',
size_mode:'image', //Enter "carousel" or "image". Affects the width and height parameters below.
width:107, //Enter width of image or entire carousel, depending on above value
height:140, //Enter height of image or entire carousel, depending on above value
sides:6, //# of sides of the carousel. What's shown = sides/2. Even integer with sides/2< total images is best
steps:23, //# of animation steps. More = smoother, but more CPU intensive
speed:5, //Speed of slideshow. Larger = faster.
direction:'left', //Direction of slideshow. Enter "top", "bottom", "left", or "right"
images:['http://www.knowsky.com/img/200406301.jpg',
'http://www.knowsky.com/img/200406302.jpg',
'http://www.knowsky.com/img/200406303.jpg',
'http://www.knowsky.com/img/200406304.jpg'],
links: ['http://www.knowsky.com/',
'http://www.knowsky.com/',
'http://www.knowsky.com/',
'http://www.knowsky.com/'],
titles:['javascript特效',
'网络学院',
'网站联盟',
'插件下载'],
image_border_width:1,
image_border_color:'blue'
});
</script>
<h3>竖直方向滚动</h3>
<script type='text/javascript'>
carousel({id:'carousel_1', //Enter arbitrary but unique ID of this slideshow instance
border:'',
size_mode:'image', //Enter "carousel" or "image". Affects the width and height parameters below.
width:107, //Enter width of image or entire carousel, depending on above value
height:140, //Enter height of image or entire carousel, depending on above value
sides:8, //# of sides of the carousel. What's shown = sides/2. Even integer with sides/2< total images is best
steps:8, //# of animation steps. More = smoother, but more CPU intensive
speed:7, //Speed of slideshow. Larger = faster.
direction:'top', //Direction of slideshow. Enter "top", "bottom", "left", or "right"
images:['http://www.knowsky.com/img/200406301.jpg',
'http://www.knowsky.com/img/200406302.jpg',
'http://www.knowsky.com/img/200406303.jpg',
'http://www.knowsky.com/img/200406304.jpg'],
links: [],
titles:[],
image_border_width:1,
image_border_color:'black'
});
</script>
</body>
