UP
sono arrivato a questo punto....
codice:
<html>
<head>
<title>Questionario</title>
<style type="text/css">
h1 {color: #FFCC00; font-size: 25px; font-family: Verdana; }
button {width: 120px; height: 35px; border: 0; float: left; cursor: pointer; Text-align:center; font:bold 20px/30px "Trebuchet MS",Arial,sans-serif;
background: #55CB00 url(base.png) no-repeat 0 0;color:#FFF
}
button:hover{background-position: 0 -35px;color: #FFC}
button:active{background-position: 0 -70px;color: #FFF}
td { background-color: #FFFFAF; font-size: 12px; font-family: Verdana; }
</style>
<SCRIPT LANGUAGE="JavaScript" src="questionario.js"></SCRIPT>
</head>
<body onload="return importXML();" background="sfondo1.jpg" body vlink="white"body link="white">
<form method='post' name='form1' id='form1' >
<h1 align="center"> Questionario</h1>
<hr>
<div id="Stampa"></div>
<hr>
<div align="center">
<h1 align="center"><button input type="reset" value="Reset">Reset</button></h1>
</div>
</form>
<form onsubmit="return controllo()">
<h1 align="center"><button input type="submit" name="invia" id="invia" value="Invia" >Correggi</button>
</form>
<form action="index.html">
<h1 align="center"><button input type="submit" value="Cambia Materia"><font size=2>Cambia Materia</button>
</form>
</body>
</html>
grazie alla tua istruzione sono allineati ma li volevo in centro....