function DisplayMenu(index) { //ÃÖ½Å±Û ¼±Åà ÅÇ ¼Ò½º
        for (i=1; i<=2; i++)
        if (index == i) {
        thisMenu = eval("menu" + index + ".style");
        thisMenu.display = "";
        } 
        else {
        otherMenu = eval("menu" + i + ".style"); 
        otherMenu.display = "none"; 
        }
}

function getCookie(name) { //Æ˾÷ ¼Ò½º ½ÃÀÛ
  var Found = false 
  var start, end 
  var i = 0 

  while(i <= document.cookie.length) { 
    start = i 
    end = start + name.length 

    if(document.cookie.substring(start, end) == name) { 
      Found = true 
      break 
    } 
    i++ 
  } 

  if(Found == true) { 
    start = end + 1 
    end = document.cookie.indexOf(";", start) 
      if(end < start) 
        end = document.cookie.length 
    return document.cookie.substring(start, end) 
  } 
  return "" 
} 

function openPopup1(src, name, info) //ù¹ø° Æ˾÷ ¼Ò½º
{ 
var noticeCookie=getCookie(name);
if (noticeCookie != "no") 

window.open(src,name,info);
}

function openPopup2(src, name, info) //µÎ¹ø° Æ˾÷ ¼Ò½º
{ 
var noticeCookie=getCookie(name);
if (noticeCookie != "no") 

window.open(src,name,info);
}

function openPopup3(src, name, info) //¼¼¹ø° Æ˾÷¼Ò½º
{ 
var noticeCookie=getCookie(name);
if (noticeCookie != "no") 

window.open(src,name,info);
}
 
function openPopup4(src, name, info) //³×¹ø° Æ˾÷¼Ò½º
{ 
var noticeCookie=getCookie(name);
if (noticeCookie != "no") 

window.open(src,name,info);
}