function showimagecloseu13()
{

var obju13=document.getElementById("adu13");   
obju13.style.display = 'none';   

};
//水平 //上下
var xu13 = 0;yu13 = 0;
var xinu13 = true; yinu13 = true;
var stepu13 = 1;
var delayu13 = 88;
var obju13=document.getElementById(“adu13”); var bdyu13 = document.body;

if (document.compatMode && document.compatMode != "BackCompat")
    bdyu13 = document.documentElement;
else
    bdyu13 = document.body;

function floatADu13() {

var bdy_scrollTop = document.body.scrollTop | document.documentElement.scrollTop;
var Lu13=Tu13=0;   
var Ru13= bdyu13.clientWidth-obju13.offsetWidth;  
var Bu13 = bdyu13.clientHeight-obju13.offsetHeight; 
obju13.style.left = xu13 + bdyu13.scrollLeft+"px";   
obju13.style.top = yu13 + bdy_scrollTop+"px";   
xu13 = xu13 + stepu13*(xinu13?1:-1);    
if(xu13 < Lu13) 
{ 
    xinu13 = true;
    xu13 = Lu13;
}  
if(xu13 > Ru13)
{ 
    xinu13 = false; 
    xu13 = Ru13;
}  
yu13 = yu13 + stepu13*(yinu13?1:-1);    
if(yu13 < Tu13) 
{ 
    yinu13 = true; 
    yu13 = Tu13; 
}
if(yu13 > Bu13) 
{ 
    yinu13 = false; 
    yu13 = Bu13; 
}

} var itlu13; if(window.navigator.userAgent.indexOf(“MSIE”)>=1) {

window.attachEvent('onload', adftu13);

} else {

window.addEventListener('load',adftu13, false);

} function adftu13() {

itlu13 = setInterval("floatADu13()", delayu13);   

}

obju13.onmouseover=function(){clearInterval(itlu13);};   
obju13.onmouseout=function(){itlu13=setInterval("floatADu13()", delayu13)};