JavaScript::JavaScript Cookies

JavaScript Cookies

function setCookie(name, value) {

  if(name != '')

    document.cookie = name + '=' + value;

}

function getCookie(name) {

  if(name == '')

    return('');

  name_index = document.cookie.indexOf(name + '=');

  if(name_index == -1)

    return('');

  cookie_value =  document.cookie.substr(name_index + name.length + 1, document.cookie.length);

  //All cookie name-value pairs end with a semi-colon, except the last one.

  end_of_cookie = cookie_value.indexOf(';');

  if(end_of_cookie != -1)

    cookie_value = cookie_value.substr(0, end_of_cookie);

  //Restores all the blank spaces.

  space = cookie_value.indexOf('+');

  while(space != -1) { 

    cookie_value = cookie_value.substr(0, space) + ' ' + 

    cookie_value.substr(space + 1, cookie_value.length);

    space = cookie_value.indexOf('+');

  }

  return(cookie_value);

}