var isIE = navigator.userAgent.toLowerCase().indexOf("msie")>0;
var isGecko = navigator.userAgent.toLowerCase().indexOf("gecko")>0;
var popupReady = false;
function showWWPopup() {
	var wp = document.getElementById('WWPopup');
	var anim = function(){
		n += 9;
		if(n >= 502){
			wp.style.marginTop = '0';
			window.clearInterval(tt);
			popupReady = true;
		}else{
			wp.style.marginTop = "-"+(502 - n)+"px";
		}
	},n=0;
	var tt = window.setInterval(anim, 10);
}

function hideWWPopup() {
	if (!popupReady) return;
	var wp = document.getElementById('WWPopup');
	var anim = function(){
		n += 9;
		if(n >= 502){
			wp.style.marginTop = '-502px';
			window.clearInterval(tt);
		}else{
			wp.style.marginTop = "-"+n+"px";
		}
	},n=0;
	var tt = window.setInterval(anim,10);
	return false;
}
function checkPopup() {
	return true;
}
function initWWPopup() {
	if (!checkPopup()) return;
	var wp = document.createElement('div');
	wp.id = 'WWPopup';
	wp.style.marginTop = '-502px';
	document.body.insertBefore(wp, document.getElementById('top'));
	wp.innerHTML = '<div id="WWPopupBody"><a href="/Article/HTML/Article_517.htm"><img src="/IAA_2009/2009.jpg" height="502" width="1004" alt="µã»÷¹Ø±Õ"  onclick="return hideWWPopup();" /></a></div>';
	showWWPopup();
}