function showimagecloseu1()
{

var obju1=document.getElementById("adu1");   
obju1.style.display = 'none';   

};
//水平 //上下
var xu1 = 0;yu1 = 0;
var xinu1 = true; yinu1 = true;
var stepu1 = 1;
var delayu1 = 88;
var obju1=document.getElementById(“adu1”); var bdyu1 = document.body;

if (document.compatMode && document.compatMode != "BackCompat")
    bdyu1 = document.documentElement;
else
    bdyu1 = document.body;

function floatADu1() {

var bdy_scrollTop = document.body.scrollTop | document.documentElement.scrollTop;
var Lu1=Tu1=0;   
var Ru1= bdyu1.clientWidth-obju1.offsetWidth;  
var Bu1 = bdyu1.clientHeight-obju1.offsetHeight; 
obju1.style.left = xu1 + bdyu1.scrollLeft+"px";   
obju1.style.top = yu1 + bdy_scrollTop+"px";   
xu1 = xu1 + stepu1*(xinu1?1:-1);    
if(xu1 < Lu1) 
{ 
    xinu1 = true;
    xu1 = Lu1;
}  
if(xu1 > Ru1)
{ 
    xinu1 = false; 
    xu1 = Ru1;
}  
yu1 = yu1 + stepu1*(yinu1?1:-1);    
if(yu1 < Tu1) 
{ 
    yinu1 = true; 
    yu1 = Tu1; 
}
if(yu1 > Bu1) 
{ 
    yinu1 = false; 
    yu1 = Bu1; 
}

} var itlu1; if(window.navigator.userAgent.indexOf(“MSIE”)>=1) {

window.attachEvent('onload', adftu1);

} else {

window.addEventListener('load',adftu1, false);

} function adftu1() {

itlu1 = setInterval("floatADu1()", delayu1);   

}

obju1.onmouseover=function(){clearInterval(itlu1);};   
obju1.onmouseout=function(){itlu1=setInterval("floatADu1()", delayu1)};