//alert('jsForcePageLoad.js');
// USEAGE: Include this file within the <HEAD> tag in an HTML file.
//          This will force the page to reload when the BACK button is clicked
//          and/or javascript history used.
//-------------------------------------------------------------------------------------//
<!-- Copyright 2007 Bontrager Connection, LLC
// http://BontragerConnection.com/

// Cookie's name may be changed.
var CookieName = "tempFocus";

// Change number of seconds if needed.
var PageLoadTimeSeconds = 3;

// Replace alert(...) in function HandleNewFocus(), below, 
//    with your custom "'back' button was clicked" handling.
function HandleNewFocus()
{
    //alert('It seems the "back" button was clicked.');
}

// No customizations required in the rest of this JavaScript.

var now = new Date();
var Milliseconds = parseInt(now.getTime() / 1000);
var CurrentCookie = new String();
var FocusLaunched = false;
var BackHandled = false;

function HandleCookie()
{
    if(BackHandled) { return; }
    BackHandled = true;
    var beforemillis = parseInt(CurrentCookie);
    if(beforemillis > 1) {
       var aftermillis = Milliseconds - beforemillis;
       if(aftermillis > PageLoadTimeSeconds) { HandleNewFocus(); }
    }
    else { SetCookie('loaded'); }
}

function LoadFunctions()
{
    CurrentCookie = GetCookie();
    if(CurrentCookie == 'loaded') { return; }
    HandleCookie();
    SetCookie('loaded');
}

function Loaded() { LoadFunctions(); }

function Unloaded() { 
    var again = new Date();
    Milliseconds = parseInt(again.getTime() / 1000);
    SetCookie(String(Milliseconds));
}

function Focused() {
    if(FocusLaunched) { return; }
    FocusLaunched = true;
    LoadFunctions();
}

function SetCookie(v) {
    CurrentCookie = v;
    document.cookie = CookieName + '=' + v;
}

function GetCookie() {
    var c_content = '';
    if(document.cookie.length > 0) {
       var c_name = CookieName + '=';
       var c_begin = document.cookie.indexOf(c_name);
       var c_end = 0;
       if(c_begin > -1) {
          c_begin += c_name.length;
          c_end = document.cookie.indexOf(";",c_begin);
          if(c_end < c_begin) { c_end = document.cookie.length; }
          c_content = document.cookie.substring(c_begin,c_end);
          }
       }
    return c_content;
}

window.onload = Loaded;
window.onunload = Unloaded;
window.onfocus = Focused;