/*
 * These routines help load, and navigate a flash movie. Commonly used for CH catalogs
 * to return a web browser to last frame viewed
 * 11:45 AM 03/26/2008 DFParker (david.parker@nike.com)
*/


//Debug alert function
var _allowFSDebug = false;
function debugAlert(message)
{
  if(_allowFSDebug)
  {
    alert(message);
    //console.log(message);
  }
}


/*************************
*   Config section
*   This section is specific to each given catalog 
*************************/
//Default movie name
var currentMovieName = "us_catalog";
//This is the frame the movie ends on after its initial animation - This is used when navigating back to the movie so the user doesn't wait through the animation again.
var movieFinishedFrameNumber = 33;


var currentMovie;


//Set current label from flash movie in cookie -- this call must be made from the flash movie
function us_catalog_DoFSCommand(command, args)
{
  debugAlert ("fired command: " + command);
  if (command == "setCurrentLabel")
  {
    debugAlert ("currentCatalogLabel: " + args);
    WM_setCookie ("_currentCatalogLabel", args);
  }
}

//Get current label from cookie and load that label in current flash catalog
function loadCurrentLabel()
{
  var currentCatalogLabel = WM_readCookie("_currentCatalogLabel");
  debugAlert ("labelToLoad: " + currentCatalogLabel);
  if(currentCatalogLabel && currentMovie)
  {
    currentMovie.GotoFrame(movieFinishedFrameNumber);
    currentMovie.TGotoLabel("_root",currentCatalogLabel);
    currentMovie.TGotoLabel("_root/numbers",currentCatalogLabel);
    debugAlert("called TGotoLabel");
  }
}



//On load, start a timer interval to periodically check if the movie is loaded
var isLoadedIntervalId;
function loadCheck() 
{
  currentMovie = getFlashMovie(currentMovieName);
  if(currentMovie)
  {
    if(WM_readCookie("_currentCatalogLabel"))
    {
        //skip loading animation if cookie is set
        currentMovie.StopPlay();
        isLoadedIntervalId = setInterval(checkIsLoaded, 100);
    }
  }
}


function checkIsLoaded()
{
  if(movieIsLoaded(currentMovie))
  {
    debugAlert("flash movie loaded");
    clearInterval(isLoadedIntervalId);
    loadCurrentLabel();
    
  }
}

function getFlashMovie(movieName) 
{
  var retMovie = null;
  
  if (window.document[movieName]) 
  {
      retMovie = window.document[movieName];
  }
  else if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
    {
      retMovie = document.embeds[movieName];
    }
  }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {
    retMovie = document.getElementById(movieName);
  }
  return retMovie;
}

// Checks if movie is completely loaded.
// Returns true if yes, false if no.
function movieIsLoaded(theMovie) {
  debugAlert("movie name: " + theMovie.name);
  if (typeof(theMovie) != "undefined") {
    return theMovie.PercentLoaded() == 100;
  } else {
    return false;
  }
}

/*
// src: http://www.webmonkey.com/webmonkey/reference/javascript_code_library/wm_ckie_lib/
WM_setCookie(), WM_readCookie(), WM_killCookie()
A set of functions that eases the pain of using cookies.

Source: Webmonkey Code Library
(http://www.hotwired.com/webmonkey/javascript/code_library/)

Author: Nadav Savio
Author Email: nadav@wired.com
*/


// This next little bit of code tests whether the user accepts cookies.
var WM_acceptsCookies = false;
if(document.cookie == '') {
    document.cookie = 'WM_acceptsCookies=yes'; // Try to set a cookie.
    if(document.cookie.indexOf('WM_acceptsCookies=yes') != -1) {
	WM_acceptsCookies = true; 
    }// If it succeeds, set variable
} else { // there was already a cookie
  WM_acceptsCookies = true;
}


function WM_setCookie (name, value, hours, path, domain, secure) {
    if (WM_acceptsCookies) { // Don't waste your time if the browser doesn't accept cookies.
	var not_NN2 = (navigator && navigator.appName 
		       && (navigator.appName == 'Netscape') 
		       && navigator.appVersion 
		       && (parseInt(navigator.appVersion) == 2))?false:true;

	if(hours && not_NN2) { // NN2 cannot handle Dates, so skip this part
	    if ( (typeof(hours) == 'string') && Date.parse(hours) ) { // already a Date string
		var numHours = hours;
	    } else if (typeof(hours) == 'number') { // calculate Date from number of hours
		var numHours = (new Date((new Date()).getTime() + hours*3600000)).toGMTString();
	    }
	}
	document.cookie = name + '=' + escape(value) + ((numHours)?(';expires=' + numHours):'') + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:'') + ((secure && (secure == true))?'; secure':''); // Set the cookie, adding any parameters that were specified.
    }
} // WM_setCookie


function WM_readCookie(name) {
    if(document.cookie == '') { // there's no cookie, so go no further
	return false; 
    } else { // there is a cookie
	var firstChar, lastChar;
	var theBigCookie = document.cookie;
	firstChar = theBigCookie.indexOf(name);	// find the start of 'name'
	var NN2Hack = firstChar + name.length;
	if((firstChar != -1) && (theBigCookie.charAt(NN2Hack) == '=')) { // if you found the cookie
	    firstChar += name.length + 1; // skip 'name' and '='
	    lastChar = theBigCookie.indexOf(';', firstChar); // Find the end of the value string (i.e. the next ';').
	    if(lastChar == -1) lastChar = theBigCookie.length;
	    return unescape(theBigCookie.substring(firstChar, lastChar));
	} else { // If there was no cookie of that name, return false.
	    return false;
	}
    }	
} // WM_readCookie

function WM_killCookie(name, path, domain) {
alert( "killing cookie: " + name );
  var theValue = WM_readCookie(name); // We need the value to kill the cookie
  if(theValue) {
      document.cookie = name + '=' + theValue + '; expires=Fri, 13-Apr-1970 00:00:00 GMT' + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:''); // set an already-expired cookie
  }
} // WM_killCookie