//-------------------------------------------------
//-------------------------------------------------

var bb_count = 0;
var bb_curr_idx = "";
var bb_cache = new Array;
//var bb_cache_Param = new Array;
var bb_debug = false;
var bb_iframe_script = "index2.php";
var bb_iframe_loaded = false;
var bb_target_div = "";
var flashObject = "";


// If debug is enabled via bb_init(), then
// we append some data to the divTrail 
// element.

function bb_debug_update(str)
{
    if (bb_debug) {
        var divBBDebug = document.getElementById("divBBDebug");
	divBBDebug.innerHTML = divBBDebug.innerHTML + "<br>" + str;
    }
}

// Run from the interval timer (every 1.5 seconds), 
// this function reads a cache index value that 
// is stored in the DIV element of the child IFRAME.
// 
// If this extracted cache index differs from the
// current cache index, then the back button was
// pressed.  In this case, we pull the corresponding
// data from the cache and update the page.

function bb_check_state ()
{
	if (bb_iframe_loaded == false)
    {
		return;
    }

    var doc =  window.frames['bbFrame1'].document;
    var new_idx = doc.getElementById('divFrameCount').innerHTML;
    
    //alert("New" + new_idx);
    //alert("Curr" + bb_curr_idx);
    if (new_idx != bb_curr_idx) 
    {
    	//alert("New" + new_idx + " != Curr" + bb_curr_idx)
		//var debug_msg = "IFRAME changed. Was " + bb_curr_idx + ", now " 
	    //       + new_idx;
	
		// Pull a previous state from the cache (if it exists).
		if (bb_cache[new_idx]) 
		{
		    //var divBody = document.getElementById("divBody");
		    //divBody.innerHTML = bb_cache[new_idx];
	
		    //debug_msg += " [pulled " + new_idx + " from cache]";
		    //debug_msg += " Call Flash with "+bb_cache[new_idx];
		    
		    // Call flash that event back/forward append
		    PageName = bb_cache[new_idx];
		    //Params   = bb_cache_Param[new_idx];
		    LastPageName = bb_cache[bb_curr_idx];
		    flashObject.ChangePos(PageName, LastPageName);
	    }
	        
	    bb_curr_idx = new_idx;
	    
		//bb_debug_update (debug_msg);
    }
}

// Called by child IFRAME
function bb_done_loading() 
{
    bb_iframe_loaded = true;
}

// Update the hidden IFRAME.
function bb_loadframe() 
{
    var bbFrame1 = document.getElementById("bbFrame1");
    bb_iframe_loaded = false;
    bbFrame1.src = bb_iframe_script+ "?id=" + bb_count;
}


// When requested, save the current state
// in a cache.
function bb_save_state(PageName)
{
	// Store the new contents in the cache.
    //var div_to_cache = document.getElementById(bb_target_div);
    bb_count++;
    //bb_cache[bb_count] = div_to_cache.innerHTML;
    bb_cache[bb_count] = PageName;
	//bb_cache_Param[bb_count] = Params;
	
    //bb_debug_update ("Added " + bb_count + " to cache: " + PageName);

    // Load new page into iframe.
    bb_loadframe();
    bb_curr_idx = bb_count;
}


// Load the hidden IFRAME and start an interval timer.
function bb_init()
{
	// old declaration bb_init(div_name, debug_val)
   	//bb_target_div = div_name;
   	// bb_debug = debug_val;

    bb_loadframe();
    window.setInterval('bb_check_state()', 1000);
    
    
    
    flashObject = getFlashMovieObject('FamilyMingleSWF');
}

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