漂浮广告代码

<divid="codefans_net"style="position:absolute"><ahref="www.cwydesign.com"target="_blank"><imgsrc="/images/logo.gif"border="0"></a></div>
<script>
varx=50,y=60
varxin=true,yin=true
varstep=1
vardelay=10
varobj=document.getElementById("codefans_net")
functionfloat(){
varL=T=0
varR=document.body.clientWidth-obj.offsetWidth
varB=document.body.clientHeight-obj.offsetHeight
obj.style.left=x+document.body.scrollLeft
obj.style.top=y+document.body.scrollTop
xx=x+step*(xin?1:-1)
if(x<L){xin=true;x=L}
if(x>R){xin=false;x=R}
yy=y+step*(yin?1:-1)
if(y<T){yin=true;y=T}
if(y>B){yin=false;y=B}
}
varitl=setInterval("float()",delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("float()",delay)}
</script>