function change(form) 
{ 
if (form.url.selectedIndex !=0) 
parent.location = form.url.options[form.url.selectedIndex].value 
} 
function setCookie( name, value, expiredays ) 
{ 
var todayDate = new Date(); 
todayDate.setDate( todayDate.getDate() + expiredays ); 
document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
} 
function getCookie( name ) 
{ 
var nameOfCookie = name + "="; 
var x = 0; 
while ( x <= document.cookie.length ) 
{ 
var y = (x+nameOfCookie.length); 
if ( document.cookie.substring( x, y ) == nameOfCookie ) { 
if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 ) 
endOfCookie = document.cookie.length; 
return unescape( document.cookie.substring( y, endOfCookie ) ); 
} 
x = document.cookie.indexOf( " ", x ) + 1; 
if ( x == 0 ) 
break; 
} 
return ""; 
} 
//if ( getCookie( "Notice" ) != "done" ) 
//{ 
//noticeWindow = window.open('/symposium.htm','notice','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=436,height=455,top=0,left=0');//À̺κÐÀ» Àڱ⿡ ¸Â°Ô º¯°æÇϼ¼¿ä 
//noticeWindow.opener = self; 
//}