Modifica la pagina cosi:
Codice:
<HTML>
<HEAD>
<TITLE>Genuzzu's personal site</TITLE>
</HEAD>
<BODY bgcolor="black">
<div align="center">
<script type="text/javascript">
//<![CDATA[
document.write('<s'+'cript type="text/javascript" src="http://ad.altervista.org/js.ad/size=728X90/r='+new Date().getTime()+'"><\/s'+'cript>');
//]]>
</script>
</div>
<br>
Welcome to my new personal site! I'm an Italian student, and i play trumpet. I'm 13, now. Thank for looking my video! <br>
<div align="left" style="float:left">
<script type="text/javascript">
//<![CDATA[
document.write('<s'+'cript type="text/javascript" src="http://ad.altervista.org/js.ad/size=120X600/r='+new Date().getTime()+'"><\/s'+'cript>');
//]]>
</script>
</div>
<center>
<object width="746" height="413"><param name="movie" value="http://www.youtube.com/cp/vjVQa1PpcFNOcHvPZNRZQ9sf0dOJ51RX3qhWNMZ8eis="></param><embed src="http://www.youtube.com/cp/vjVQa1PpcFNOcHvPZNRZQ9sf0dOJ51RX3qhWNMZ8eis=" type="application/x-shockwave-flash" width="746" height="413"></embed></object>
</center>
</BODY>
</HTML>
Ho aggiunto, al secondo div, la proprietà float dei css