function openvideo(videofile, videoname) {
	video_file=videofile;
	video_url='videos/play-video.php?file='+video_file;
	if (confirm("A new window is is about to open.")) { 
		window.open(video_url,videoname,'width=320, height=280, toolbar=no, location=no, directories=no, status=no, menubar=no, copyhistory=no, resizeable=no');
	}
	else {
		return false;
	}
}