<script language="javascript">
//设置广告块
var divLeft=0;//设置广告块初始左边位置
var divTop=0;//设置广告块初始顶部位置
var divWidth=90;//设置广告块宽度
var divHeight=120;//设置广告块高度
var divImg="/uploadfile/UploadFile/20061122115721999.gif";//设置广告图片的URL地址
var divUrl="http://www.525asp.com";//设置广告链接
var divTitle="专业建站\n诚信制作\n提供网络空间";
document.write("<DIV id=\"adDiv\" style=\"position:absolute; left:"+divLeft);
document.write("px; top:"+divTop+"px; width:"+divWidth+"px; height:"+divHeight);
document.write("px; z-index:1;\" onMouseOver=\"javascript:window.clearInterval(varId)\"");
document.write(" onMouseOut=\"javascript:beginMoveAd();\"><a target=\"_blank\" href=\""+divUrl+"\">");
document.write("<img src=\""+divImg+"\" border=\"0\" alt=\""+divTitle+"\"></a></DIV>")
//飘浮广告
var _stepx=2;_stepy=2;//初始化每次偏离的象素
var moveSpeed=40;//速度
var varId;//获取setInterval的ID
function moveAd(){//飘浮广告主函数
var adLeft=parseInt(adDiv.style.left);
var adTop=parseInt(adDiv.style.top);
var adWidth=parseInt(adDiv.style.width);
var adHeight=parseInt(adDiv.style.height)
var _bodyLeft=document.body.scrollLeft;
var _bodyTop=document.body.scrollTop;
var _bodyHeight=document.body.clientHeight+_bodyTop;
var _bodyWidth=document.body.clientWidth+_bodyLeft;
if(adLeft<=_bodyLeft){
_stepx=2;
}
if(adTop<=_bodyTop){
_stepy=2;
}
if((adLeft+adWidth)>=_bodyWidth){
_stepx=-2
}
if((adTop+adHeight)>=_bodyHeight){
_stepy=-2
}
adDiv.style.left=adLeft+_stepx;
adDiv.style.top=adTop+_stepy;
}
function beginMoveAd(){//启动飘浮
varId=window.setInterval("moveAd()",moveSpeed)
}
window.onload=beginMoveAd;//给窗体的load事件附加飘浮函数
</script>