function initEcAd() { 
document.all.AdLayer1.style.posTop = -200;             
document.all.AdLayer1.style.visibility = 'visible'   
document.all.AdLayer2.style.posTop = -200;            
document.all.AdLayer2.style.visibility = 'visible'    
MoveLeftLayer('AdLayer1');          
MoveRightLayer('AdLayer2'); 
} 
function MoveLeftLayer(layerName) { 
var x =13;       
var y =13;      

var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40; 
var y = document.body.scrollTop + y - diff; 
eval("document.all." + layerName + ".style.posTop = y"); 
eval("document.all." + layerName + ".style.posLeft = x"); 
setTimeout("MoveLeftLayer('AdLayer1');", 20);     
} 
function MoveRightLayer(layerName) { 
var x =13;     
var y =13;   
var diff = (document.body.scrollTop + y - document.all.AdLayer2.style.posTop)*.40; 
var y = document.body.scrollTop + y - diff; 
eval("document.all." + layerName + ".style.posTop = y"); 
eval("document.all." + layerName + ".style.posRight = x");    

setTimeout("MoveRightLayer('AdLayer2');", 20);   
} 
document.write("<div id=AdLayer1 style='position: absolute;visibility:hidden;z-index:1'><a href=http://www.dlhuazhan.com/industryexpo/&FrontComContent_list01-1318390629443CurrentIds=439aa723-bf26-4c60-851c-860bc0cc8da7__5669e09c-1808-4f2c-8716-ffe750e4bb03&comContentId=5669e09c-1808-4f2c-8716-ffe750e4bb03&comp_stats=comp-FrontComContent_list01-1318390629443.html target=_blank><img src=guanggao/20120516dl.gif border=0 width=100 height=100></a><br><br><a href=http://www.waterexpo.org target=_blank><img src=guanggao/20120620sz.gif border=0 width=100 height=100></a><br><br><a href=http://www.cqeczh.com/ target=_blank><img src=guanggao/20120412cq.gif border=0 width=100 height=100></a><br><br><a href=http://www.wdexpo.com.cn target=_blank><img src=guanggao/20120413cc.gif border=0 width=100 height=100></a><br><br><a href=http://www.sinojnjp.cn target=_blank><img src=guanggao/20120321bj.gif border=0 width=100 height=100></a></div>" 
+"<div id=AdLayer2 style='position: absolute;visibility:hidden;z-index:1'><a href=Http://www.water-cd.com target=_blank><img src=guanggao/20120410-2.gif border=0 width=100 height=100><br><br><a href=http://www.chinaozone.com/zhinfo.asp?zhid=255 target=_blank><img src=guanggao/201204heb.gif border=0 width=100 height=100></a><br><br><a href=http://www.wswte.com target=_blank><img src=guanggao/20120411bj.gif border=0 width=100 height=100><br><br><a href=http://www.china-mete.com target=_blank><img src=guanggao/20120309gz-2.gif border=0 width=100 height=100></a><br><br><a href=http://www.chinaozone.com/zhinfo.asp?zhid=259 target=_blank><img src=guanggao/2012516dl.gif border=0 width=100 height=100></a></div>"); 
initEcAd()