function getCookie(name) { 
   var Found = false 
   var start, end 
   var i = 0 

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

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

 function openMsgBox() { 
   var eventCookie=getCookie("pop");   // cook_name Àº ÀÓÀÇ·Î ²À º¯°æÇϼ¼¿ä.
   if (eventCookie != "no") 
   window.open('pop.htm','_blank','width=400,height=540,top=50,left=100'); 
   //Æ˾÷âÀÇ ÁÖ¼Ò, °°Àº µµ¸ÞÀο¡ ÀÖ¾î¾ß ÇÑ´Ù. 
 } 
 openMsgBox();