var speed=50;
var Rimifon = {
    "Ads" : new Object,
    "NewFloatAd" : function(imgUrl, strLink)
    {
        var spro = document.createElement("a");
        spro.DirV = true;
        spro.DirH = true;
        spro.AutoMove = true;
        spro.Image = new Image;
        spro.Seed = Math.random();
        spro.Timer = setInterval("Rimifon.Float(" + spro.Seed + ")", speed);
        this.Ads[spro.Seed] = spro;
        spro.Image.Parent = spro;
        spro.style.position = "absolute";
        spro.style.zIndex = 999999;
        spro.style.left = 0;
        spro.style.top = 0;
        spro.Image.src = imgUrl;
        spro.Image.onmouseover = function(){this.Parent.AutoMove = false;}
        spro.Image.onmouseout = function(){this.Parent.AutoMove = true;}
        if(strLink)
        {
            spro.href = strLink;
            spro.Image.border = 0;
            spro.target = "_blank";
        }
        spro.appendChild(spro.Image);
        document.body.appendChild(spro);
        return spro;
    },
    "Float" : function(floatId)
    {
        var spro = this.Ads[floatId];
        if(spro.AutoMove)
        {
            var curLeft = parseInt(spro.style.left);
            var curTop = parseInt(spro.style.top);
            if(spro.offsetWidth + curLeft > document.body.clientWidth + document.body.scrollLeft - 1)
            {
                curLeft = document.body.scrollLeft + document.body.clientWidth - spro.offsetWidth;
                spro.DirH = false;
            }
            if(spro.offsetHeight + curTop > document.body.clientHeight + document.body.scrollTop - 1)
            {
                curTop = document.body.scrollTop + document.body.clientHeight - spro.offsetHeight;
                spro.DirV = false;
            }
            if(curLeft < document.body.scrollLeft)
            {
                curLeft = document.body.scrollLeft;
                spro.DirH = true;
            }
            if(curTop < document.body.scrollTop)
            {
                curTop = document.body.scrollTop;
                spro.DirV = true;
            }
            spro.style.left = curLeft + (spro.DirH ? 1 : -1) + "px";
            spro.style.top = curTop + (spro.DirV ? 1 : -1) + "px";
        }
    }
}
var ad1= Rimifon.NewFloatAd("http://www.gztyhb.com.cn/upfile/2008_12/20081217966.gif", "http://www.gztyhb.com.cn/pro/proshow-40.html");