// JavaScript Document
//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 = 80;
//设置广告块宽度 
var divHeight = 80;
//设置广告块高度 
var divImg = "http://www.xiaoshanren.com/fly.jpg";
//设置广告图片的URL地址 
var divUrl = "http://www.xslyj.cn/xstour/zt00/g200.htm";
//设置广告链接 
var divTitle = "“休博掠影”摄影大赛征稿启事";
//设置div标题
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:100;\" onMouseOver=\"javascript:window.clearInterval(varId)\"");
document.write(" onMouseOut=\"javascript:beginMoveAd();\"><a href=\""+divUrl+"\" target=\"_blank\">");
document.write("<img src=\""+divImg+"\" border=\"0\" alt=\""+divTitle+"\"></a><br><img src=http://www.xiaoshanren.com/ad_images/closeIT.gif onClick=closeIT('adDiv');></DIV>");
//飘浮广告 
var _stepx=2;_stepy=2;
//初始化每次偏离的象素 
var moveSpeed=80;
//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=600;
 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 closeIT(id)
{
	document.getElementById(id).style.visibility = 'hidden'; 
}

function beginMoveAd()
{
//启动飘浮
 varId = window.setInterval("moveAd()",moveSpeed);
}
//给窗体的load事件附加飘浮函数
window.onload=beginMoveAd;