scusate, in rete ho trovato qualcosa del genere:

<script language="JavaScript" type="text/javascript">

function HandleFileButtonClick()

{

document.frmUpload.myFile.click();

document.frmUpload.txtFakeText.value = document.frmUpload.myFile.value;

}

</script>



<form name="frmUpload">



<input type="file" name="myFile" style="display:none;">





<input type="text" name="txtFakeText" readonly="true">





<input type="button" onclick="HandleFileButtonClick();"

value="Upload File" style="background: red;">

</form>


a me nn funziona (uso solo mozilla)!!!! Voi che ne dite?