var imagepath="http://www.nongyou.com.cn/special/images/dianji.jpg" 
var imagewidth=522;//这两行写图片的大小 
var imageheight=131;
var speed=3; 
var imageclick="http://www.nongyou.com.cn/weichuang.htm" //这里写点击图片连接到的地址 
var hideafter=0 
var isie=0; 
if(window.navigator.appName=="Microsoft Internet Explorer"&&window.navigator.appVersion.substring(window.navigator.appVersion.indexOf("MSIE")+5,window.navigator.appVersion.indexOf("MSIE")+8)>=5.5) { 
isie=1; 
} 
else { 
isie=0; 
} 
if(isie){ 
var preloadit=new Image() 
preloadit.src=imagepath; 
} 
function pop() { 
if(isie) { 
x=x+dx;y=y+dy; 
oPopup.show(x, y, imagewidth, imageheight); 
if(x+imagewidth+5>screen.width) dx=-dx; 
if(y+imageheight+5>screen.height) dy=-dy; 
if(x<0) dx=-dx; 
if(y<0) dy=-dy; 
startani=setTimeout("pop();",50); 
} 
} 
function dismisspopup(){ 
clearTimeout(startani); 
oPopup.hide(); 
} 
function aaaa(){
		oPopup.hide(); 
	}
function dowhat(){ 
if (imageclick=="dismiss") 
dismisspopup();
else 
window.open(imageclick,"微创科技园围墙建设招标公告",""); 
} 
if(isie) { 
var x=0,y=0,dx=speed,dy=speed; 
var oPopup = window.createPopup(); 
var oPopupBody = oPopup.document.body; 
oPopupBody.style.cursor="hand"; 
oPopupBody.innerHTML = '<div id="fudong" style="background:url('+preloadit.src+');height:522px;">关闭<div id="tu" style="height:119px"></div></div>'; 
oPopup.document.body.onmouseover=new Function("clearTimeout(startani)"); 
oPopup.document.body.onmouseout=pop;
oPopup.document.getElementById("fudong").onclick=aaaa; 
oPopup.document.getElementById("tu").onclick=dowhat; 
pop(); 
if (hideafter>0) 
setTimeout("dismisspopup()",hideafter*1000) 
} // JavaScript Document