팝업창 오늘하루닫기 질문..

<script language="JavaScript"><!--function setcookie( name, value, expirehours ) {var todayDate = new Date();todayDate.setHours( todayDate.getHours() + expirehours );document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"}
function closeWin() {if ( document.notice_form.chkbox.checked ){setcookie( "maindiv", "done" , 24 );}
document.all['divpop'].style.display = "none";
}
function MM_openBrWindow(theURL,winName,features) { //v2.0  window.open(theURL,winName,features);}
function closeWin1() {if ( document.notice_form1.chkbox1.checked1 ){setcookie( "maindiv1", "done" , 24 );}
document.all['divpop1'].style.display = "none";
}//--></script>

<div id="divpop" style="width:350px; height:250px; position:absolute; left:91px; top:100px; z-index:1000; visibility:hidden;  layer-background-color: #000000; border: 1px none #000000;"><table width=200 height=282 cellpadding=1 cellspacing=1><form name="notice_form"><tr>
    <td align=right><table width="220" border="0" cellspacing="0" cellpadding="0">      <tr>        <td width="199" height="22" background="images/popup_btn.png"><div align="center">          <input type="checkbox" name="chkbox" value="" />          <span class="style3 style1">오늘 이 창을 열지않음 <a href="javascript:closeWin();"><b>[닫기]</b></a> </span></div></td>        <td>&nbsp;</td>      </tr>    </table></td></tr><tr>    <td align=center><a href="javascript:closeWin();"><img src='images/popup_02.png'  border='0' usemap="#popup" /></a></td></tr>
    </form></table>
</div><div id="apDiv1"></div><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";}</script>
<div id="divpop1" style="width:350px; height:250px; position:absolute; left:571px; top:100px; z-index:1000; visibility:hidden;  layer-background-color: #000000; border: 1px none #000000;"><table width=200 height=282 cellpadding=1 cellspacing=1><form name="notice_form1"><tr>
    <td align=right><table width="220" border="0" cellspacing="0" cellpadding="0">      <tr>        <td width="199" height="22" background="images/popup_btn1.png"><div align="center">          <input type="checkbox" name="chkbox1" value="" />          <span class="style3 style1">오늘 이 창을 열지않음 <a href="javascript:closeWin1();"><b>[닫기]</b></a> </span></div></td>        <td>&nbsp;</td>      </tr>    </table></td></tr><tr>    <td align=center><a href="javascript:closeWin1();"><img src='images/popup_03.png'   border='0' usemap="#popup" /></a></td></tr>
    </form></table>
</div><div id="apDiv2"></div><script language="Javascript">cookiedata1 = document.cookie;  if ( cookiedata1.indexOf("maindiv1=done") < 0 ){        document.all['divpop1'].style.visibility = "visible";    }    else {        document.all['divpop1'].style.visibility = "hidden";}</script>