function startVideo() {
	   fade_in($('video'));
	   setTimeout(removeVideo, 7000);
}
function resizeVideo() {
	   var vid = $('video');
	   var screenDims = { w:document.body.offsetWidth, h:document.body.offsetHeight };
	   vid.style.width = screenDims.w+'px';
	   vid.style.height = screenDims.h+'px';
}
function removeVideo() {
	   var tw = new Tween($('video'), 'alpha', false, 1, 0, 2);
	   tw.onstop = function() { 
		  $('video').style.display = 'none';
	   }
	   document.body.style.background = '#000 url('+window['pg_back']+') top center no-repeat';
	   tw.start();
}