prova video
 

<iframe width="420" height="315" src="http://www.youtube.com/embed/Wtw_1YXp--A" frameborder="0" allowfullscreen></iframe>

<object width="420" height="315"><param name="movie" value="http://www.youtube.com/v/Wtw_1YXp--A?version=3&amp;hl=it_IT"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Wtw_1YXp--A?version=3&amp;hl=it_IT" type="application/x-shockwave-flash" width="420" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>

:D