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Top level cookie apply to page and iframes

Posted on 2009-04-02
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Last Modified: 2012-05-07
I need to set a cookie on a page and have it apply to all the iframes and their pages. How?
document.cookie doesnt seem to be working

window.cookie.. same
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Question by:Andrew Maurer
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by:
Michel Plungjan earned 1000 total points
ID: 24057108
1. please specify what you mean by "does not seem to be working"
2. it IS document.cookie

Save this as cookie.js and use
<script type="text/javascript" src="cookie.js"></script>
<script type="text/javascript">
setCookie('cookieName',variableContainingCookieValue,expiryDate,'/')
//and
getCookie('cookieName')
</script>

// cookie.js file
var daysToKeep = 14; // default cookie life...
var today      = new Date(); 
var expiryDate = new Date(today.getTime() + (daysToKeep * 86400000));
 
 
/* Cookie functions originally by Bill Dortsch */
function setCookie (name,value,expires,path,theDomain,secure) { 
   value = escape(value);
   var theCookie = name + "=" + value + 
   ((expires)    ? "; expires=" + expires.toGMTString() : "") + 
   ((path)       ? "; path="    + path   : "") + 
   ((theDomain)  ? "; domain="  + theDomain : "") + 
   ((secure)     ? "; secure"            : ""); 
   document.cookie = theCookie;
} 
 
function getCookie(Name) { 
   var search = Name + "=" 
   if (document.cookie.length > 0) { // if there are any cookies 
      var offset = document.cookie.indexOf(search) 
      if (offset != -1) { // if cookie exists 
         offset += search.length 
         // set index of beginning of value 
         var end = document.cookie.indexOf(";", offset) 
         // set index of end of cookie value 
         if (end == -1) end = document.cookie.length 
         return unescape(document.cookie.substring(offset, end)) 
      } 
   } 
} 
function delCookie(name,path,domain) {
   if (getCookie(name)) document.cookie = name + "=" +
      ((path)   ? ";path="   + path   : "") +
      ((domain) ? ";domain=" + domain : "") +
      ";expires=Thu, 01-Jan-70 00:00:01 GMT";
}

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LVL 75

Expert Comment

by:Michel Plungjan
ID: 24057138
PS: Assuming all pages come form the SAME domain
That also means protocol and port
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