/* hidden treasure belize javascript library */
//var introMovie = new PopupClass();
var introShown = false;

function init()
{
  //init menu
    
  //show video intro.
  resizeBg(); 
  //show intro if default.  
}

function resizeBg()
{
  var bgmh,bglh,bgrh;
  var d = document;
  var bgmy,bgmb,bgly,bgry;
  var bgl,bgr;
  if (d.getElementById("bgm"))
  {
    bgmh = d.getElementById("bgm").offsetHeight; //.getAttribute("height");
    bgmy = getY("bgm");
    bgmb = bgmy + bgmh;
    log("bgmh:" + bgmh + ",bgmy:" + bgmy + ",bgmb:" + bgmb);    
  }
   
  if (bgmh > 325)
  {
    //bgl
    bgly = getY("bgl");
    bglh = bgmb - bgly;
    d.getElementById("bgl").style.height = bglh + 'px';
    log("bgly:" + bgly + ",bglh:" + bglh);
    
    //bgr   
    bgry = getY("bgr");
    bgrh = bgmb - bgry;
    d.getElementById("bgr").style.height = bgrh + 'px';
    log("bgry:" + bgry + ",bgrh:" + bgrh);
  }
}

function log( msg )
{
  //document.getElementById("bgm").innerHTML += msg += "<br />";
}

function getY( elementName )
{
  var h=0, e=document.getElementById(elementName);
  if (e) 
  { 
    while (e.offsetParent)
    {
      h += e.parentNode.offsetTop;
      e = e.offsetParent;
    }
  }
  return h;    
}