function initEcAd(LName) { 
document.all.NowAd_left.style.posTop = -200; 
document.all.NowAd_left.style.visibility = 'visible'; 
document.all.NowAd_left.style.position = 'absolute'; 
MoveLeftLayer(); 
} 
function MoveLeftLayer() { 
var x = 5; 
var y = 165; 
eval("var diff = (document.body.scrollTop + y - document.getElementById('NowAd_left').style.posTop)*.40"); 
var y = document.body.scrollTop + y - diff; 
eval("document.getElementById('NowAd_left').style.posTop = y"); 
eval("document.getElementById('NowAd_left').style.posLeft = x"); 
setTimeout("MoveLeftLayer(NowAd_left);", 20); 
} 
document.write("<div id=NowAd_left><a href='http://www.dzccsos.com/jmyy/index.html' target='_blank'><img src='images/left.png' WIDTH=137 HEIGHT=296 border=0></img></a></div>"); 
initEcAd("NowAd_left")