codice:
<script>
function confronto(){
var start = 1901, xa=document.calcolo.a.value, xb=document.calcolo.b.value;
with (document.calcolo.c){
	if (xa > xb) {value = ("maggiore");}
	if (xa < xb) {value = ("minore");}
	if (xa == xb) {value = ("uguale");}
}
}
</script>


<form name="calcolo">
A <input size="10" name="a">

B <input size="10" name="b">

C <textarea name="c"></textarea>

<input onclick="confronto();" type="button" value="confronto"></p>
</form>

<script type="text/javascript">confronto();</script>