//ÄíÅ°¾ò±â
function getCookie(name){
var Found = false;
var begin, end;
var i = 0;

while(i <= document.cookie.length) { // cookie ¹®ÀÚ¿­ Àüü °Ë»ö
begin = i;
end = begin + name.length;
if(document.cookie.substring (begin,end) == name) { //name°ú µ¿ÀÏÇÑ ¹®ÀÚ¸¦ ãÀ¸¸é 
Found = true
break;
}
i++;
}

if(Found == true) { // name ¹®ÀÚ¿­À» cookie¿¡¼­ ã¾Ò´Ù¸é
begin = end + 1;
end = document.cookie.indexOf(";", begin);
if(end<begin) // ¸¶Áö¸· ºÎºÐÀ̶ó´Â °ÍÀ» ÀǹÌÇÑ´Ù.(cookieÀÇ ¸¶Áö¸· ºÎºÐ¿¡´Â ";"°¡ ¾ø´Ù.)
end = document.cookie.length;
return document.cookie.substring(begin,end); //name¿¡ ÇØ´çÇÏ´Â value °ªÀ» ÃßÃâÇÏ¿© ¸®ÅÏ
}
return ""; // name ¹®ÀÚ¿­À» cookie¿¡¼­ ãÁö ¸øÇß´Ù¸é null°ªÀ» ¸®ÅÏ
} 

//ÄíÅ°¿¡ µû¸¥ ·Î±×¾Æ¿ôÀ̹ÌÁö º¯°æ
function changeLoginImg(){
if(getCookie("JSESSIONID")!=""){
  
 document.write("<a href=\"admin/logout.jsp\"><img src=img/mb_logout.gif width=55 height=44 border=0></a>");
}else 
  document.write("<a href=admin/login.htm><img src=img/mb_admi.gif width=55 height=44 border=0></a>");
}

// ÄíÅ°»èÁ¦

function delCookie(name) {
  var today = new Date();
  today.setYear(today.getYear()-1);
  //today.setTime(today.getTime()-1); //°ú°Å ½Ã°£À¸·Î ¹Ù²Ù±â
  var value = getCookie(name);
 
  if(value != "") 
  document.cookie = name +"="+escape(covalue)+"; expires=" + today.toGMTString(today);
}