漂浮广告

<div id="mydiv" style="position:absolute">

<a href="链接地址" target="_blank">

<img src="图片地址" border="0">

</a>

</div>

<script> 

var x = 50,y = 60 

var xin = true, yin = true 

var step = 1 

var delay = 10 

var obj=document.getElementById("mydiv") 

function floating() { 

var L=T=0

var R= document.body.clientWidth-obj.offsetWidth 

var B = document.body.clientHeight-obj.offsetHeight 

obj.style.left = x + document.body.scrollLeft 

obj.style.top = y + document.body.scrollTop 

x = x + step*(xin?1:-1) 

if (x < L) { xin = true; x = L} 

if (x > R){ xin = false; x = R} 

y = y + step*(yin?1:-1) 

if (y < T) { yin = true; y = T } 

if (y > B) { yin = false; y = B } 

} 

var itl= setInterval("floating()", delay) 

obj.onmouseover=function(){clearInterval(itl)} 

obj.onmouseout=function(){itl=setInterval("floating()", delay)} 

</script>