Cum Leg Un Meniu?

[Stelian]

Salutare.

Am urmatorul script:

<script type="text/javascript" language="JavaScript">
var sign="Berbec";
var url='http://www.eastrolog. ro/horoscop-zilnic/';
url+='horoscop-parteneri.php?id='+id;
url+='&top='+escape(top.location.host);
url+='&self='+escape(self.location.host);
url+='&sign='+escape(sign);
document.write('<sc'+'ript type="text/javascript" language="JavaScript"');
document.write(' src="'+url);
document.write('"></sc'+'ript>');
</script>

Asta face sa imi afiseze in pagina horoscopul pentru Zodia berbec.
Eu vreau sa fac un drop menu, si in functie de zodia pe care o aleg sa imi afiseze horoscopul.

<form name="form1" method="post" action="">
  <select name="select" size="1">
    <option selected>Berbec</option>
    <option>Taur</option>
    <option>Gemeni</option>
    <option>Rac</option>
    <option>Leu</option>
    <option>Fecioara</option>
    <option>Balanta</option>
    <option>Scorpion</option>
    <option>Sagetator</option>
    <option>Capricorn</option>
    <option>Varsator</option>
    <option>Pesti</option>
  </select>
</form>

Cum pot lega ceea ce selectez eu din meniu cu var sign=" ";
Ma poate ajuta careva?
Multumesc anticipat.