function initEcAd(LName,RName) {
document.all.NowAd_left.style.posTop = -100;
document.all.NowAd_left.style.visibility = 'visible';
document.all.NowAd_left.style.position = 'absolute';
document.all.NowAd_right.style.posTop = -100;
document.all.NowAd_right.style.visibility = 'visible';
document.all.NowAd_right.style.position = 'absolute';
MoveLeftLayer(LName);
MoveRightLayer(RName);
}
function MoveLeftLayer(LName) {
var x = 5;
var y = 50;
LeftName=LName;
eval("var diff = (document.body.scrollTop + y - document.all." + LeftName + ".style.posTop)*.40");
var y = document.body.scrollTop + y - diff;
eval("document.all." + LeftName + ".style.posTop = y"); 
eval("document.all." + LeftName + ".style.posLeft = x");
setTimeout("MoveLeftLayer(LeftName);", 20);
}
function MoveRightLayer(RName) {
var x = 5;
var y = 50;
RightName=RName;
eval("var diff = (document.body.scrollTop + y - document.all." + RightName + ".style.posTop)*.40"); 
var y = document.body.scrollTop + y - diff;
eval("document.all." + RightName + ".style.posTop = y");
eval("document.all." + RightName + ".style.posRight = x");
setTimeout("MoveRightLayer(RightName);", 20);
}
if (window.screen){
var widths = screen.width;
var imgw=80;
var imgh=480;
var display=1;
if(widths<835){
display=0
imgw=40;
imgh=240;
	}
}
var str='';
if (display==1){
str="<span id=NowAd_left align=center><a href='javascript:closeDL1();'>¹Ø±Õ</a><br><a href='#' target='_blank'><img src='/ad_pic/2007-04/09/left.jpg'  width='" + imgw + "' height='" + imgh + "' border=0></img></a><br></span>"
+"<span id=NowAd_right align=center><a href='javascript:closeDL2();'>¹Ø±Õ</a><br><a href='#' target='_blank'><img src='/ad_pic/2007-04/09/right.jpg' width='" + imgw + "' height='" + imgh + "' border=0></img></a></span>";
}
document.write(str);
initEcAd('NowAd_left','NowAd_right');