</TR>
<TR>
<TH CLASS="label">N. massimo di eventi nella fonte:</TH>
-<TD COLSPAN="5"><INPUT TYPE="TEXT" NAME="MAX_EVENTS" SIZE="4" MAXLENGTH="4" VALUE="{MAX_EVENTS?{MAX_EVENTS}:20}"></TD>
+<TD COLSPAN="5"><INPUT TYPE="NUMBER" NAME="MAX_EVENTS" SIZE="4" MAXLENGTH="4" VALUE="{MAX_EVENTS?{MAX_EVENTS}:20}"></TD>
</TR>
<TR>
<TD></TD>