internet explorer - Using javascript to set cookie in IE -

document.cookie= "cookiename=cookievalue; expires=mon,12jun2015:00:00:00; path=/;"

i run script on internet explorer 10 doesn't share cookie between 2 ie tab. when remove "expires" properties seem working :

document.cookie= "cookiename=cookievalue ;path=/;"  

but don't want remove "expires" properties. how resolve problem ?

i have used code since mid '90s - has worked in browsers on platforms far

include file , use

setcookie("name","value",expirydate,"/"); 

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// cookie.js file var cookietoday = new date();  var expirydate = new date(cookietoday.gettime() + (365 * 86400000)); // year  /* cookie functions 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 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"; }