<div style="display:none;" id="divpop">
	<div>
		<a href="#" onclick="closeWin();return false;"><img src="images/banner_100104a.gif" /></a>
		<input type="checkbox" id="chkbox" value="checkbox" onclick="closeWin();" />
		<span>오늘 하루 열지 않기</span>
	</div>
</div>

<script type="text/javascript">
function setCookie( name, value, expiredays ) {
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}

function closeWin() {
	if ( document.getElementById('chkbox').checked ){
		setCookie( "maindiv", "done" , 1 );
	}
	document.getElementById('divpop').style.display = "none";
}

cookiedata = document.cookie;    
if ( cookiedata.indexOf("maindiv=done") < 0 ){      
	document.getElementById('divpop').style.display = "block";
}
else {
	document.getElementById('divpop').style.display = "none";
}
</script>

오늘 하루 열지 않기

JavaScript