屏幕上自由飘浮的图像

站内搜索

热门关键字：表格超链接漂浮跟随旋转闪烁日期艺术字滚动点击关联菜单弹出随机

网页特效分类

网页特效分类 >> 图形特效

屏幕上自由飘浮的图像

[ 发布者：luwei | 来源：本站整理 | 时间：2005-10-23 | 浏览：人次 ]

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|JcwCn.Com/Js|---屏幕上自由飘浮的图像</title>

</head>

<body>
<center>
<!-- script -->
<script language="javascript">
window.onload=netease;
var brOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
function checkbrOK()
{if(aname.indexOf("Internet Explorer")!=-1)
{if(aver>=4) brOK=navigator.javaEnabled();
mie=true;
}
if(aname.indexOf("Netscape")!=-1)  
{if(aver>=4) brOK=navigator.javaEnabled();}
}
var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function Chip(chipname,width,height)
{this.named=chipname;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width;
this.h=height;
this.xx=0;
this.yy=0;
this.timer1=null;
}
function movechip(chipname)
{
if(brOK)
{eval("chip="+chipname);
if(!mie)
{pageX=window.pageXOffset;
pageW=window.innerWidth;
pageY=window.pageYOffset;
pageH=window.innerHeight;
}
else
{pageX=window.document.body.scrollLeft;
pageW=window.document.body.offsetWidth-8;
pageY=window.document.body.scrollTop;
pageH=window.document.body.offsetHeight;
} 
chip.xx=chip.xx+chip.vx;
chip.yy=chip.yy+chip.vy;
chip.vx+=vr*(Math.random()-0.5);
chip.vy+=vr*(Math.random()-0.5);
if(chip.vx>(vmax+vmin))  chip.vx=(vmax+vmin)*2-chip.vx;
if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
if(chip.vy>(vmax+vmin))  chip.vy=(vmax+vmin)*2-chip.vy;
if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
if(chip.xx<=pageX)
{chip.xx=pageX;
chip.vx=vmin+vmax*Math.random();
}
if(chip.xx>=pageX+pageW-chip.w)
{chip.xx=pageX+pageW-chip.w;
chip.vx=-vmin-vmax*Math.random();
}
if(chip.yy<=pageY)
{chip.yy=pageY;
chip.vy=vmin+vmax*Math.random();
}
if(chip.yy>=pageY+pageH-chip.h)
{chip.yy=pageY+pageH-chip.h;
chip.vy=-vmin-vmax*Math.random();
}
if(!mie)
{eval('document.'+chip.named+'.top ='+chip.yy);
eval('document.'+chip.named+'.left='+chip.xx);
} 
else
{eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy); 
}
chip.timer1=setTimeout("movechip('"+chip.named+"')",100);
}
}
function stopme(chipname)
{if(brOK)
{//alert(chipname)
eval("chip="+chipname);
if(chip.timer1!=null)
{clearTimeout(chip.timer1)}
}
}
var netease;
var chip;
function netease()
{checkbrOK(); 
netease=new Chip("netease",60,80);
if(brOK) 
{ movechip("netease");
}
}
</script>
<div id="netease" style="POSITION: absolute; left:10; top:15"><a
href="#" target="_blank">
<dd>
<img border="0" src="images/flag.gif" tppabs="http://sc.jcwcn.com/tx/JsHtml/images/flag.gif" width="120" height="60"></a></dd>
</div><!-- end of flying button 2-->


<table border="0" cellPadding="0" cellSpacing="0" width="110%">
  <tr>
    <td width="84%"></td>
  </tr>
</table>

<table border="0" cellPadding="2" width="648">
  <tr align="middle">
    <td class="cur" height="18" width="640"><font COLOR="#000000" face="黑体" size="5">屏幕上自由飘浮的图像</font></td>
  </tr>
</table>

<table width="66%" height="147">
  <tr>
    <td width="78%" bgcolor="#FFFF00" height="106"><font face="仿宋_GB2312"
    size="3">   
    经常在网上见到屏幕自由飘浮的的图片吧，从一侧飘悠到另一侧，碰到边框后在返回，这种自由飘浮的的图片现在似乎很时髦，随便打开搜狐、网易等网站都可以见到网页上飘摇而过的图片，想知道怎么做的吗，很简单，这就是图层移动的效果，现在，你也可以轻松做到，仅用短短的一段代码，就实现了以上效果！</font></td>
  </tr>
  <tr>
  </tr>
</table>

<table width="114%">
  <tr>
  </tr>
</table>
</center>
</body>
</html>

本类相关特效