JS大幅卷屏广告代码

2024-09-05 12:22:38

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JS大幅卷屏广告代码，广告从下到上依次卷起来，逐渐显示出网页内容，各大门户网站都有使用，效果不错，代码拷贝后请另存一个文件，使用时候调用，这样更合理。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD>  <TITLE>JS大幅卷屏广告代码</TITLE> </HEAD><BODY><script language="javascript">function $(ele){return document.getElementById(ele)}var popIMG={stimer:null,etimer:null,init:function(imgurl,width,height){this.imgurl=imgurl;this.width=width;this.height=height;},createE:function(){var obj=document.createElement("div");obj.id="imgid";obj.style.width=popIMG.width+"px";obj.style.height=popIMG.height+"px";//obj.style.backgroundColor="red";obj.style.top=0+"px";obj.style.left=Math.ceil((document.body.clientWidth-popIMG.width)/2)+"px";obj.style.position="absolute";obj.style.zIndex=100;obj.style.overflow="hidden"var img=document.createElement("img");img.style.width=popIMG.width+"px";img.style.height=popIMG.height+"px";img.src=popIMG.imgurl;obj.appendChild(img);document.body.appendChild(obj);},start:function(){popIMG.createE();popIMG.stimer=setTimeout("popIMG.fade()",3000);},fade:function(){if(popIMG.stimer)clearTimeout(popIMG.stimer);$("imgid").style.height=(parseInt($("imgid").style.height)-5)+"px";popIMG.etimer=setTimeout("popIMG.fade()",10);if(parseInt($("imgid").style.height)<=0){clearTimeout(popIMG.etimer);$("imgid").innerHTML="";document.body.removeChild($("imgid"));}}}popIMG.init("/jscss/demoimg/site.gif",1021,675);window.onload=popIMG.start;</script></BODY></HTML>

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