function createCookie(name,value,days)
{

  if (days)
  {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++)
  {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

function deleteCookie(name)
{
  if(readCookie(name))
  {
    var expires = "; expires=Thu, 01-Jan-1970 00:00:01 GMT";
    document.cookie = name+"="+expires+"; path=/";
    return true;
  }
  else
  {
    return false;
  }
}

function resizePlanner()
{
  var winH;
  if(document.documentElement)
  {
    winH = document.documentElement.clientHeight;
  }
  else if(window.innerHeight)
  {
    winH = window.innerHeight;
  }
  else if(document.body.offsetHeight)
  {
    winH = document.body.offsetHeight;
  }
  var newH = winH - 152;
//  document.getElementById("planner").style.height = newH+"px";
}

var exitOK = false;

window.onbeforeunload = function ()
{
  if(!exitOK)
  {
    return "If you are logged in, click cancel to return to the planner and Save your plan. Otherwise you can Print your plan before exiting safely through the Options menu"
  }

}

function safeToExit()
{
  exitOK = true;
}

function notSafeToExit()
{
  exitOK = false;
}

function exitNow()
{
  window.location.href = '/bathrooms/planner';
}

function logout()
{
  if(deleteCookie("planner_login_cookie"))
  {
    alert("You have been logged out.");
  }
  else
  {
    alert("Sorry, you are not currently logged in.");   
  }
}

function reloadNow()
{
  window.location.reload(false);
}