이번에 팝업창 2개가 같이 닫아져요

<script language="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.notice_form.chkbox.checked ){
        setCookie( "maindiv", "done" , 1 );
    }
    document.all['divpop'].style.visibility = "hidden";
}
    if ( document.notice_form2.chkbox.checked ){
        setCookie( "maindiv", "done" , 1 );
    }
    document.all['divpop2'].style.visibility = "hidden";
}
//--> 
</script>



 <!-- POPUP1 -->
<div id="divpop" style="width:200px; height:330px; position:absolute; left:600px; top:233px; z-index:200; visibility:hidden;">
<table cellpadding=2 cellspacing=0 style="border-collapse:collapse;">
<tr>
    <td style="border-width:1; border-color:rgb(51,51,51); border-style:none;" height="271" align=center bgcolor=white>
    <img src="popup.gif"></td>
</tr>
<tr>
        <form name="notice_form">
            <td align=right bgcolor=white style="border-width:1; border-color:rgb(51,51,51); border-style:none;">
                <p align="center">        <input type="checkbox" name="chkbox" value="checkbox"><font face="굴림"><span style="font-size:9pt;">오늘 하루 이 창을 열지 않음
</span></font><span style="font-size:9pt;">        </span><a href="javascript:closeWin();"><B><font face="굴림"><span style="font-size:9pt;">[닫기]</span></font></B></a>
</p>
            </td>
</tr>
        </form>
</table>
</div>
 <!-- POPUP2 -->
<div id="divpop2" style="width:200px; height:330px; position:absolute; left:250px; top:233px; z-index:200; visibility:hidden;">
<table cellpadding=2 cellspacing=0 style="border-collapse:collapse;">
<tr>
    <td style="border-width:1; border-color:rgb(51,51,51); border-style:none;" height="271" align=center bgcolor=white>
    <img src="popup2.gif"></td>
</tr>
<tr>
        <form name="notice_form2">
            <td align=right bgcolor=white style="border-width:1; border-color:rgb(51,51,51); border-style:none;">
                <p align="center">        <input type="checkbox" name="chkbox" value="checkbox"><font face="굴림"><span style="font-size:9pt;">오늘 하루 이 창을 열지 않음
</span></font><span style="font-size:9pt;">        </span><a href="javascript:closeWin();"><B><font face="굴림"><span style="font-size:9pt;">[닫기]</span></font></B></a>
</p>
            </td>
</tr>
        </form>
</table>
</div>




마지막 자바스크립트 부분

<script language="Javascript">
cookiedata = document.cookie;   
if ( cookiedata.indexOf("maindiv=done") < 0 ){     
    document.all['divpop'].style.visibility = "visible";
    }
    else {
        document.all['divpop'].style.visibility = "hidden";
}


if ( cookiedata.indexOf("maindiv=done") < 0 ){     
    document.all['divpop2'].style.visibility = "visible";
    }
    else {
        document.all['divpop2'].style.visibility = "hidden";
}
</script>