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浮动广告js类实现

2007-02-23 00:00:00 作者：

浮动广告js类实现

var Rimifon = {

"Ads" : new Object,

"NewFloatAd" : function(imgUrl, strLink)

{

var ad = document.createElement("a");

ad.DirV = true;

ad.DirH = true;

ad.AutoMove = true;

ad.Image = new Image;

ad.Seed = Math.random();

ad.Timer = setInterval("Rimifon.Float(" + ad.Seed + ")", 50);

this.Ads[ad.Seed] = ad;

ad.Image.Parent = ad;

ad.style.position = "absolute";

ad.style.left = 0;

ad.style.top = 0;

ad.Image.src = imgUrl;

ad.Image.onmouseover = function(){this.Parent.AutoMove = false;}

ad.Image.onmouseout = function(){this.Parent.AutoMove = true;}

if(strLink)

{

ad.href = strLink;

ad.Image.border = 0;

ad.target = "_blank";

}

ad.appendChild(ad.Image);

document.body.appendChild(ad);

return ad;

"Float" : function(floatId)

{

var ad = this.Ads[floatId];

if(ad.AutoMove)

{

var curLeft = parseInt(ad.style.left);

var curTop = parseInt(ad.style.top);

if(ad.offsetWidth + curLeft > document.body.clientWidth + document.body.scrollLeft - 1)

{

curLeft = document.body.scrollLeft + document.body.clientWidth - ad.offsetWidth;

ad.DirH = false;

}

if(ad.offsetHeight + curTop > document.body.clientHeight + document.body.scrollTop - 1)

{

curTop = document.body.scrollTop + document.body.clientHeight - ad.offsetHeight;

ad.DirV = false;

}

if(curLeft < document.body.scrollLeft)

{

curLeft = document.body.scrollLeft;

ad.DirH = true;

}

if(curTop < document.body.scrollTop)

{

curTop = document.body.scrollTop;

ad.DirV = true;

}

ad.style.left = curLeft + (ad.DirH ? 1 : -1) + "px";

ad.style.top = curTop + (ad.DirV ? 1 : -1) + "px";

}

</script><body><div style="width:30cm;height:40cm"></div></body><script>

Rimifon.NewFloatAd("https://www.jb51.net/logos.gif", "http://www.baidu.com");

var ad = Rimifon.NewFloatAd("https://www.jb51.net/logos.gif");

ad.style.left = 500;

ad.style.top = 456;

ad.Image.width = 88;

ad.Image.height = 31;

</script>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

浮动广告js类实现

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