title: How to set cookie for a dialog box in jquery?
body: <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>//----------jquery.cookie.js begins-------------
  /*!
   * jQuery Cookie Plugin v1.4.1
   * https://github.com/carhartl/jquery-cookie
   *
   * Copyright 2006, 2014 Klaus Hartl
   * Released under the MIT license
   */
  (function (factory) {
   if (typeof define === 'function' &amp;&amp; define.amd) {
    // AMD (Register as an anonymous module)
    define(['jquery'], factory);
   } else if (typeof exports === 'object') {
    // Node/CommonJS
    module.exports = factory(require('jquery'));
   } else {
    // Browser globals
    factory(jQuery);
   }
  }(function ($) {
  
   var pluses = /\+/g;
  
   function encode(s) {
    return config.raw ? s : encodeURIComponent(s);
   }
  
   function decode(s) {
    return config.raw ? s : decodeURIComponent(s);
   }
  
   function stringifyCookieValue(value) {
    return encode(config.json ? JSON.stringify(value) : String(value));
   }
  
   function parseCookieValue(s) {
    if (s.indexOf('"') === 0) {
     // This is a quoted cookie as according to RFC2068, unescape...
     s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
    }
  
    try {
     // Replace server-side written pluses with spaces.
     // If we can't decode the cookie, ignore it, it's unusable.
     // If we can't parse the cookie, ignore it, it's unusable.
     s = decodeURIComponent(s.replace(pluses, ' '));
     return config.json ? JSON.parse(s) : s;
    } catch(e) {}
   }
  
   function read(s, converter) {
    var value = config.raw ? s : parseCookieValue(s);
    return $.isFunction(converter) ? converter(value) : value;
   }
  
   var config = $.cookie = function (key, value, options) {
  
    // Write
  
    if (arguments.length &gt; 1 &amp;&amp; !$.isFunction(value)) {
     options = $.extend({}, config.defaults, options);
  
     if (typeof options.expires === 'number') {
      var days = options.expires, t = options.expires = new Date();
      t.setMilliseconds(t.getMilliseconds() + days * 864e+5);
     }
  
     return (document.cookie = [
      encode(key), '=', stringifyCookieValue(value),
      options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
      options.path    ? '; path=' + options.path : '',
      options.domain  ? '; domain=' + options.domain : '',
      options.secure  ? '; secure' : ''
     ].join(''));
    }
  
    // Read
  
    var result = key ? undefined : {},
     // To prevent the for loop in the first place assign an empty array
     // in case there are no cookies at all. Also prevents odd result when
     // calling $.cookie().
     cookies = document.cookie ? document.cookie.split('; ') : [],
     i = 0,
     l = cookies.length;
  
    for (; i &lt; l; i++) {
     var parts = cookies[i].split('='),
      name = decode(parts.shift()),
      cookie = parts.join('=');
  
     if (key === name) {
      // If second argument (value) is a function it's a converter...
      result = read(cookie, value);
      break;
     }
  
     // Prevent storing a cookie that we couldn't decode.
     if (!key &amp;&amp; (cookie = read(cookie)) !== undefined) {
      result[name] = cookie;
     }
    }
  
    return result;
   };
  
   config.defaults = {};
  
   $.removeCookie = function (key, options) {
    // Must not alter options, thus extending a fresh object...
    $.cookie(key, '', $.extend({}, options, { expires: -1 }));
    return !$.cookie(key);
   };
  
  }));
  //---------------jquery.cookie.js ends-----------
  var $j = jQuery.noConflict(); 
  
  $j(document).ready(function()
  {
    
    $.cookie('the_cookie', 'the_value');
    var myCookie = $.cookie('the_cookie');
    alert(myCookie);
    
    $j('#popup_content').dialog
    (
    {
     modal:true,
     resizable:false,
     draggable:false,
     height: 525,
     width:475, 
     closeOnEscape: true,
    }
    );
  
  });
  
   function setCookie(cname, cvalue, exdays) 
   {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+d.toUTCString();
    document.cookie = cname + "=" + cvalue + "; " + expires;
   }</code></pre>
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  </p>
  
  <p>I want my dialog box to open only once and I read it can be done by adding cookies to my dialog box. On searching, I got this code to add cookies to dialog box but it not working. I don't know where the error is. I am new to jquery. All I want is my dialog box should open only once. </p>
  
  
  
  <p>This the entire code of jquery.cookie.js.</p>
  
  <p>Thanks in advance. :)</p>