nell'head
codice:
<SCRIPT LANGUAGE="JavaScript">
function controllo(){
with(document.MyForm) {
if(FILE1.value=="" && FILE2.value=="" && FILE3.value=="") {
invia.disabled=true;
return false;
}
}
}
</SCRIPT>
nel body:
codice:
<FORM NAME="MyForm" METHOD="POST" ENCTYPE="multipart/form-data" ACTION="upload.asp?<% = PID %>&id=<%=rs.fields("id")%>&cognome=<%=rs.fields("cognome")%>&cartella=<%=rs.fields("cartella")%>" OnSubmit="return controllo();">
<p align="center">
<input id="FILE1" TYPE="FILE" SIZE="40" NAME="FILE1" ></p>
<p align="center">
<input id="FILE2" TYPE="FILE" SIZE="40" NAME="FILE2"></p>
<p align="center">
<input id="FILE3" TYPE="FILE" SIZE="40" NAME="FILE3"></p>
<p align="center">
<input name="invia" TYPE=submit VALUE="Carica le foto" >
</p>
</FORM>
Grazie
G.