/****************************************************************************
 * Read and Write Cookie, can be used to display popup once for a visitor.  *
 * tj 10-09-2008                                                            *
 ****************************************************************************/
 
var cookieName = 'bygningsguiden';

// Pass in three strings - the name of the cookie, the value, and the expire date.
// Pass in a "" empty string for expireDate to set a session cookie (no expires date).
// Pass in any other date for expire as a number of days to be added to today's date.
function setCookie(cookieName, cookieValue, expireDate)
{
  if (expireDate == "") {
    expires = "";
  } else {
    expires = new Date();
    expires.setDate(expires.getDate() + expireDate);
    expires = expires.toGMTString();
  }
  document.cookie = cookieName+"="+cookieValue+";expires="+expires;
}

// Pass in the name of the cookie as a string and it will be removed.
function removeCookie (cookieName)
{
  expires = Now();
  document.cookie = cookieName+"= ;expires="+expires.toGMTString();
}

function getCookie (cookieName)
{
  cookieValue = ""
  if (document.cookie.indexOf(cookieName) == -1)
  {
    // there is no cookie by this name for this user
    return cookieValue;
  }
  else
  {
    // get the beginning index of the cookie by looking for the cookie name
    cookieStart = document.cookie.indexOf(cookieName);
    // get the beginning index of the cookie value by looking for the equal sign after the name
    cookieValStart = (document.cookie.indexOf("=", cookieStart) + 1);
    // get the end index of the cookie value by looking for the semi-colon after the value
    cookieValEnd = document.cookie.indexOf(";", cookieStart);
    // if no semi-colon, then use the whole length
    if (cookieValEnd == -1)
    {
      cookieValEnd = document.cookie.length
    }
    // use substring to get the text between the two indices and that is the value of the cookie
    cookieValue = document.cookie.substring(cookieValStart, cookieValEnd);
    return cookieValue;
  }
}

// function returns true if cookies are enables, false if not
function detectCookies()
{ 
  setCookie('test', 'test', '');
  tmp = getCookie('test')
  if (tmp != 'test')
  {
    return false;
  }
  else
  {
    return true;
  }
}

function checkCount() {
  if(detectCookies()) {
    var count = getCookie(cookieName);
    if (count == "") {
      setCookie(cookieName, 1, 10000);
      opennewsletter(1);
    }
  }
}

function nopopupCheckbox() {
  if(detectCookies()) {
    if(document.form1.nopopup.checked)
    {
      setCookie(cookieName, 1, 10000);
    } else {
      setCookie(cookieName, 1, '');
    }
  } 
}

window.onload=checkCount;