function getVideoPlayer () {
	var video_player;
	if (navigator.appName.indexOf("Microsoft") != -1) {
		video_player = window.cvp;
	}else {
		video_player = window.document.cvp;
	}
	return video_player;
}

function sendTracking() {
	player = getVideoPlayer();
	return ( player.std() );
}

function openWindow(location) {
	var win = this.open(location, "", "");
}

window.onbeforeunload = function (e) {
	sendTracking();
}

function play_current_video () {
	var overlay = document.getElementById('overlay');
	var closeBtn = document.getElementById('closeBtn');
	
	if (overlay != null)
	{
	    overlay.style.display = "block";
	}
	if (closeBtn != null)
	{
		closeBtn.style.display = "block";
	}
	so.write('video');
}
	
function close_player () {
	sendTracking();
	//alert (trackingResult);
	
	var overlay = document.getElementById('overlay');
	var closeBtn = document.getElementById('closeBtn');
	if (overlay != null)
	{
	    overlay.style.display = "none";
	}
	if (closeBtn != null)
	{
		closeBtn.style.display = "none";
	}
	
	//document.getElementById('video').innerHTML = "";
}

function loadStyleSheet(styleSheetURL)
{
	docHead = document.getElementsByTagName("head")[0];
	
	stylesheet = document.createElement("link");
	stylesheet.setAttribute("rel", "stylesheet");
    stylesheet.setAttribute("type", "text/css");
	stylesheet.setAttribute("href", styleSheetURL);
	
	newStyleSheet = docHead.appendChild(stylesheet);
	
}