function popupVideo(url, width, height)
{	
	var pName = 'airsled_video';
	if (!width) {
		width = 520;
	}
	if (!height) {
		height = 460;
	}
	
	var winW = $(window).width();
	var winH = $(window).height();
	var left = (winW / 2) - (width / 2);
	var top = (winH / 2) - (height / 2);
	
	var properties = 'width=' + width + ', height=' + height + ', left=' + left + ', top=' + top;
	
	var w = window.open(url, pName, properties); 
	w.focus();
}