4张图片滚动切换效果_图片特效特效

一个JS完成的图片切换特效，手动更新，目前限制为4张图片，当然这个是可以自己修改的，如果更改此数字，那么要相应的增加图片单元，否则JS会报错或无法显示图片。本特效很小巧，代码也不是太多，因些适合二次修改。

<html>
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>4张图片轮番切换</title>
</head>
<style type="text/css">
*{
margin:3;padding:0;
font-size:12px;
}
body{
font-size:9pt;
text-align:center;
margin-top: 8px;
}
body *{text-align:center;}
.font14{font-size:14px;}
select{font-family: Times New Roman,arial,verdana,sans-serif;}
table{
border-collapse:collapse;
}
img{border:0;}
ul{list-style-type:none;}
.clear{clear: both;height:0;line-height:0px;font-size:14px;}
.center{text-align:center;}
.mleft0{margin-left:0px !important;}
.mtop0{margin-top:0px !important;}
.strong{font-weight: bold;}
.sb{color:#009A91;font-weight: bold;}
#i_photo_index{width:258px;height:256px;text-align:center;}
#i_photo_index a.i_photo_a{height:180px;text-align:center;margin-left:8px;}
#i_photo_index a.i_photo_a img{margin-top:10px;}
#i_photo_index h1{margin-top:0 !important;margin-top:4px;margin-top:2px;height:28px;line-height:28px;text-align:center;}
#i_photo_index h1 a{font-size:18px;font-weight:normal;font-family:"黑体",arial,verdana,sans-serif;}
#i_photo_index p{width:96%;margin:0 2%;line-height:20px;text-align:left;text-indent:2em;}
#i_photo_index p span{margin-right:30px !important;margin-right:0px;}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
}
a:hover {
color: #0066cc;
text-decoration: underline;
}
#i_photo img{margin-left:0px;}
.i_link2 a{float:center;margin:2px;padding:2px 0;display:blcok;height:22px;line-height:22px;}
#index_page{float:right;display:block;height:16px;padding:1px 0;margin-right:4px;}
#index_page *{float:left;display:inline;line-height:16px;border:1px solid #B6CFCD;text-align:center;padding:0;margin:0 2px;}
#index_page strong{background:#009A91;color:#fff;width:16px;}
#index_page span{color:#009a91;padding:3px 0 0 0;border:0;cursor:pointer;}
#index_page a{width:16px;color:#009A91;text-decoration:none;}
body,td,th {
font-size: 12px;
}
a {
font-size: 16px;
}
a:active {
text-decoration: none;
}
.jdt {
border: 1px solid #CCCCCC;
}
</style>
<body>
<table width="200" border="0" align="center" cellpadding="0" cellspacing="0" class="jdt">
  <tr>
    <td><script language="javascript" type="text/javascript">
//<![CDATA[
var _t1 = 3; //网页打开时等待图片载入的秒数
var _t2 = 5; //切换的时间
var _tnum = 4; //图片数
var _tn = 1;//当前焦点
var _tl =null;
_tt1 = setTimeout('change_img()',_t1*1000);
function change_img(){
setFocus(_tn);
_tt1 = setTimeout('change_img()',_t2*1000);
}
function setFocus(i){
if(i>_tnum){_tn=1;i=1;}
_tl?document.getElementById('focusPic'+_tl).style.display='none':'';
document.getElementById('focusPic'+i).style.display='block';
_tl=i;
_tn++;
}
//]]>
</script>

<div id="focusPic1">
<a href="/" class="i_photo_a" target="_blank">
<img src="http://p1.mb5u.com/texiao/1/20110225160437106.jpg"></a>
<h1><a href="/" target="_blank">这里是您的标题一文字内容</a></h1>
<div id="index_page"><span onClick="javascript:setFocus(2);">点击切换→</span>
<strong>1</strong>
<a href="javascript:setFocus(2);">2</a>
<a href="javascript:setFocus(3);">3</a>
<a href="javascript:setFocus(4);">4</a>
</div></div>

<div id="focusPic2" style="display:none;">
<a href="/" class="i_photo_a" target="_blank">
<img src="http://p1.mb5u.com/texiao/1/20110225160437107.jpg"></a>
<h1><a href="/" target="_blank">这里是您的标题二文字内容</a></h1>
<div id="index_page"><span onClick="javascript:setFocus(3);">点击切换→</span>
<a href="javascript:setFocus(1);">1</a>
<strong>2</strong>
<a href="javascript:setFocus(3);">3</a>
<a href="javascript:setFocus(4);">4</a>
</div></div>

<div id="focusPic3" style="display:none;">
<a href="/" class="i_photo_a" target="_blank">
<img src="http://p1.mb5u.com/texiao/1/20110225160437108.jpg"></a>
<h1><a href="/" target="_blank">这里是您的标题三文字内容</a></h1>
<div id="index_page"><span onClick="javascript:setFocus(4);">点击切换→</span>
<a href="javascript:setFocus(1);">1</a>
<a href="javascript:setFocus(2);">2</a>
<strong>3</strong>
<a href="javascript:setFocus(4);">4</a>
</div></div>
<div id="focusPic4" style="display:none;">
<a href="/" class="i_photo_a" target="_blank">
<img src="http://p1.mb5u.com/texiao/1/20110225160437109.jpg"></a>
<h1><a href="/" target="_blank">这里是您的标题四文字内容</a></h1>
<div id="index_page"><span onClick="javascript:setFocus(1);">点击切换→</span>
<a href="javascript:setFocus(1);">1</a>
<a href="javascript:setFocus(2);">2</a>
<a href="javascript:setFocus(3);">3</a>
<strong>4</strong>
</div></div>

</td>
</tr>
</table>
</body>
</html>

所属频道：图片特效特效/更新时间：2012-12-11

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