<p align="center">form</p>
<form action="action.php" method="POST" target="_blank">


Nome.:<input type="text" name="nome" align="LEFT" size="15" maxlength="100" />
Città:<input type="text" name="city" align="LEFT" size="15" maxlength="100" />
E-mail:<input type="text" name="mail" align="LEFT" size="15" maxlength="100" />
Tel.:<input type="int" name="tel" align="LEFT" size="15" maxlength="20" />



<input type="radio" value="a" name="tipologia" />
<select name="a" />
<optgroup name="a">
<option value='1' name='1'>1
<option value='2' name='2'>2
<option value='3' name='3'>3
</optgroup>

<input type="radio" value="b" name="tipologia" />
<select name="b" />
<optgroup name="b">
<option value='x' name='x'>x
<option value='y' name='y'>y
<option value='z' name='z'>z
</optgroup>

/* per 5 volte */


<p align="center"><input type="image" src="immagini\invia.gif" width="50" height="20"/></p>


</form>

tnx