<style>
#divpop
{
position:absolute;
left:expression((document.body.clientWidth-this.style.width)/2-this.getAttribute("pos"));
}
</style>

<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";
}
//-->
</script>
<SCRIPT language=javascript>
<!-- 
clicked = false;
function startDrag(cx,cy) {
        clicked = true;
        pleft=parseInt(document.getElementById("divpop").style.left);
   ptop=parseInt(document.getElementById("divpop").style.top);
        dragxcoor=cx;       
   dragycoor=cy;       
}
               
function stopDrag() {
        clicked = false;
}
       
function dragBox(evt) {
e = evt || event;
        if (clicked == true) {
      newx = pleft+e.clientX-dragxcoor;
           newy = ptop+e.clientY-dragycoor;
                document.getElementById("divpop").style.left=newx;
                document.getElementById("divpop").style.top=newy;
                return false;
   }
}
document.onmousemove = dragBox;
-->
</SCRIPT>

<!--- pos/top 값을 수정하세요. -->
<div id="divpop" pos=170 style="position:absolute; top:261; z-index:1000; visibility:hidden; display: table; cursor:move" onmousedown="startDrag(event.clientX,event.clientY)" onmouseup="stopDrag()">

<table border='0' cellspacing='0' cellpadding='0' bgcolor="#FFFFFF">
  <tr>
    <td>내용입력</td>
  <tr>
</table>

</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>