public/javascripts/cookies.js

   1 function createCookie(name,value,days)
   2 {
   3     if (days)
   4     {
   5         var date = new Date();
   6         date.setTime(date.getTime()+(days*24*60*60*1000));
   7         var expires = "; expires="+date.toGMTString();
   8     }
   9     else var expires = "";
  10     document.cookie = name+"="+value+expires+"; path=/";
  11 }
  12
  13 function readCookie(name)
  14 {
  15     var nameEQ = name + "=";
  16     var ca = document.cookie.split(';');
  17     for(var i=0;i < ca.length;i++)
  18     {
  19         var c = ca[i];
  20         while (c.charAt(0)==' ') c = c.substring(1,c.length);
  21         if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  22     }
  23     return null;
  24 }
  25
  26 function eraseCookie(name)
  27 {
  28     createCookie(name,"",-1);
  29 }