function writeVideo(source) {
document.write('<embed align="middle" allowscriptaccess="sameDomain" bgcolor="#ffffff" height="273" pluginspage="http://www.macromedia.com/go/getflashplayer" quality="high" src="swf/' + source + '" type="application/x-shockwave-flash" width="350"/>');
document.write('</object>');
}