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首页 > 网络编程 > JavaScript > 广告代码 >

网页中移动的广告效果鼠标悬停

2006-08-28 00:00:00 作者：

网页中移动的广告效果鼠标悬停

<script> 
//init cookie 
function setCookie()  
{  
  var FromUrl=window.location.toString(); 
      FromUrl=FromUrl.replace("http://",""); 
      FromUrl=FromUrl.replace("www.",""); 
      FromUrl=FromUrl.substring(0,FromUrl.indexOf("/")); 
  var now=new Date(); 
//set cookie  expires date 1000ms*60*60 
  now.setTime( now.getTime() + 1000 * 60 * 60 ); 
  var the_cookie = "FromUrl="+FromUrl+";expires="+now.toGMTString()+";path=/"; 
  document.cookie = the_cookie;//write Cookie 
}  
function readCookie() 
{ var the_cookie = document.cookie;  
  return the_cookie; 
} 
setCookie(); 
//end of init cookie 
var brOK=false; 
var mie=false; 
var vmin=2; 
var vmax=5; 
var vr=3; 
var timer1; 
var nowads; 
var ad_width=0; 
var ad_height=0; 
// <a href="http://www.now.net.cn">Domain Hosting email </a>    <a href="http://www.todayisp.com">Domain Hosting email</a> 
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.xx>=pageW-ad_width) 
        { 
            chip.xx=chip.xx-20; 
            chip.vx=-vmin-vmax*Math.random(); 
        } 
        if(chip.yy<=pageY) 
        { 
            chip.yy=pageY; 
            chip.vy=vmin+vmax*Math.random(); 
        } 
        if(chip.yy>=pageY+pageH-ad_height) 
        { 
            chip.yy=pageY+pageH-ad_height; 
            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+"')",80); 
    } 
}

function stopme(chipname) 
{ 
    if(brOK) 
    { 
        eval("chip="+chipname); 
        if(chip.timer1!=null) 
        { 
            clearTimeout(chip.timer1) 
        } 
    } 
}

function nowads() 
{ 
    if(navigator.appName.indexOf("Internet Explorer")!=-1) 
    { 
        if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();mie=true; 
    } 
    if(navigator.appName.indexOf("Netscape")!=-1) 
    { 
        if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled(); 
    } 
    nowads.named="nowads"; 
    nowads.vx=vmin+vmax*Math.random(); 
    nowads.vy=vmin+vmax*Math.random(); 
    nowads.w=1; 
    nowads.h=1; 
    nowads.xx=0; 
    nowads.yy=0; 
    ad_width=nowads_img.width; 
    ad_height=nowads_img.height; 
    //alert(ad_height); 
    nowads.timer1=null; 
    movechip("nowads"); 
}

function getClientSize() 
{ 
    pageW=window.document.body.offsetWidth-8; 
    pageH=window.document.body.offsetHeight; 
     
}

document.write('<span id="nowads" style="height:49px;left:178px;position:absolute;top:1237px;width:70px; z-index:100000">'); 
document.write('<a href="https://www.jb51.net/" target="_blank" onmouseover=stopme("nowads"); onmouseout=movechip("nowads");>'); 
document.write('<img id="nowads_img" src="https://www.jb51.net/logos.gif" width=90 height=90 border="0"></a></span>'); 
nowads(); 
window.onresize=getClientSize; 
</script>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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