function closeOverlay()
{
	$('overlayPlayer').style.visibility ='hidden';
	$('overlay').style.display ='none';
	stopThePlayer();
}

function showOverLay(MovieURL)
{
	$('overlay').style.display ='block';
	$('loadingOverlay').style.display ='block';
	centerInViewport('loadingOverlay');
	showplayer(MovieURL);
}

function showplayer(MovieURL){
	$('overlayPlayer').style.display ='block';
	$('overlayPlayer').style.visibility ='hidden';
	centerInViewport('overlayPlayer');
	$('overlayPlayer').style.visibility ='visible';
	$('loadingOverlay').style.display ='none';
	sendToPlayer(MovieURL);
}

function centerInViewport (elementName)
{
	var windowSize=document.viewport.getDimensions();
	var windowWidth=windowSize.width;
	var windowHeight =windowSize.height;
	
	var elementSize=$(elementName).getDimensions();
	var elementWidth=elementSize.width;
	var elementHeight=elementSize.height;
	
	var topVal = ((windowHeight - elementHeight)/2)+document.viewport.getScrollOffsets().top-50;
	var leftVal = (windowWidth/2)- (elementWidth/2);
	
	$(elementName).style.top= topVal+'px';
	$(elementName).style.left= leftVal+'px';
}

function sendToPlayer(MovieURL) {
	flashObject = $('videoPlayer')
	flashObject.SwitchVideo(MovieURL);
}

function stopThePlayer(){
	flashObject = $('videoPlayer')
	flashObject.StopVideo();
}