codice:
<html>
<head><title>pricing characters set</title>

<script type="text/javascript" language="javascript">
<!--

function count() {
   qty = document.field.area1.value.replace(/ /g, '');
   document.field.testo.value = qty.length;
   document.field.price.value = 15.75 + 1.75*qty.length;
 }

//-->
</script>

</head>
<body bgcolor="#900000" text="#E3E3E3" onload='document.field.area1.focus();'>
<h1>&#38;nbsp;</h1>
<div align="center">

<form name="field">
<table>
      <td>
   Char:     <input type="text" name="testo" id="testo" size="8"> &#38;nbsp; 
   Price €.: <input type="text" name="price" id="price" size="8">
 </td><td>
 </tr><tr>
      <td>
   <textarea name="area1" rows="12" cols="50" onkeyup='count();'></textarea>
 </td></tr>
</table>
</form>

</div>


</body>
</html>