L'evento OnChange va gestito a livello di singolo tag 'input' nell'HTML, e non in sede di dichiarazione degli script...


codice:

<HTML>
<HEAD>

<script> 
function maiuscolo(txt) 
{ 
var s = txt.value 
txt.value = s.toUpperCase(); 
} 
</script> 
</HEAD>
<BODY>

<table border="0" bgcolor="#3399FF" width="429" align="center"> 
<tr> 

<td height="142"> 
<div align="center"> 

<table bordercolordark="#E5E5E5" bordercolorlight="#000000" border="0" align="center" width="100%" cellpadding="1" cellspacing="1" height="157"> 
<tr> 
<td bgcolor="#CCF2FF" height="6" width="50%"><font face="Tahoma, Verdana, Arial" size="2">CALLSIGN</font></td> 
<td bgcolor="#FFFFFF" height="6" width="50%"> 

<input type="text" name="CALLSIGN" OnChange="javascript:maiuscolo(CALLSIGN)" > 
</td> 
</tr> 
<tr> 
<td bgcolor="#CCF2FF" height="6" width="50%"> <font face="Tahoma, Verdana, Arial" size="2">MANAGER</font></td> 
<td bgcolor="#FFFFFF" height="6" width="50%"> 

<input type="text" name="MANAGER" OnChange="javascript:maiuscolo(MANAGER)" > 
</td> 
</tr> 
<tr> 
<td bgcolor="#CCF2FF" width="50%"><font face="Tahoma, Verdana, Arial" size="2">INFO</font></td> 
<td bgcolor="#FFFFFF" width="50%"> 

<input type="text" name="INFO" OnChange="javascript:maiuscolo(INFO)" > 
</td> 
</tr> 
<tr> 
<td bgcolor="#CCF2FF" width="50%"><font face="Tahoma, Verdana, Arial" size="2">DATA</font></td> 
<td bgcolor="#FFFFFF" width="50%"> 

<input type="text" name="DATA" value="<%=Date()%>"> 
</td> 
</tr> 
<tr> 
<td bgcolor="#CCF2FF" width="50%"> <font face="Tahoma, Verdana, Arial" size="2">SOURCE</font></td> 
<td bgcolor="#FFFFFF" width="50%"> 

<input type="text" name="SOURCES" OnChange="javascript:maiuscolo(SOURCES)" > 
</td> 
</tr> 

<tr> 
<td bgcolor="#CCF2FF" width="50%" height="2">  </td> 
<td bgcolor="#FFFFFF" align="right" width="50%" height="2"> 
 
<input type="submit" name="Go" value="Invia" width="200"> 
   
 
</td> 
</tr> 
</table> 
</div> 
</td> 
</tr> 
</table> 
</BODY>
</HTML>
Spero che ora sia un po' più chiaro... fammi sapere...

Ciao!!:quipy: