ecco

<html>

<head>
<title></title>
<script>
ImpostaCampi("ciao","pag")

function ImpostaCampi(){

var i,s,doc,s,numargs
s=""
doc=document.all
colore='#C0C0C0'
numargs = arguments.length;
for (i = 0; i < numargs; i++)
{
document.info.elements[arguments[i]].style.background=colore
}

}
</script>
</head>

<body>

<form name="info" METHOD="POST">


<input type="text" name="pag" value="3" size="20"><input type="text" name="ciao"
value="3" size="20"> </p>
</form>
</body>
</html>