scusa Andrea hai ragione...ecco qui posto solo il codice html

codice:
<script type="text/javascript">
	var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
	document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script type="text/javascript">
	try {
		var pageTracker = _gat._getTracker("UA-1120774-3");
		pageTracker._trackPageview();
	} catch(err) {}
</script>
<script type="text/javascript" src="http://t.wits.sg/misc/js/jQuery/jquery.js"></script>
<script type="text/javascript" src="js/jquery.progressbar.min.js"></script>
<script type="text/javascript">
	var progress_key = '<?= $uuid ?>';
	$(document).ready(function() {
	$("#pb1").progressBar();
	$("#pb2").progressBar({ barImage: 'images/progressbg_yellow.gif'} );
	$("#pb3").progressBar({ barImage: 'images/progressbg_orange.gif', showText: false} );
	$("#pb4").progressBar(65, { showText: false, barImage: 'images/progressbg_red.gif'} );
	$("#uploadprogressbar").progressBar();
	});

	function beginUpload() {
		$("#uploadprogressbar").fadeIn();
		var i = setInterval(function() { 
			$.getJSON("download.php?id=" + progress_key, function(data) {
				if (data == null) {
					clearInterval(i);
					location.reload(true);
					return;
				}

				var percentage = Math.floor(100 * parseInt(data.bytes_uploaded) / parseInt(data.bytes_total));
				$("#uploadprogressbar").progressBar(percentage);
				});
			}, 1500);
		return true;
	}
</script>
<style type="text/css">
#uploadprogressbar { display: none; }
</style>
<body bgcolor="#FFFFFF">
<div class="container">
	<div class="content">
		<div class="content-wrapper">
        	

	<div class="big-last">
	<form action="download_inserisci.php" target="progressFrame" class="insert" method="post" id="uploadform" name="uploadform" enctype="multipart/form-data" onSubmit="beginUpload();">
		<input type="hidden" name="UPLOAD_IDENTIFIER" id="progress_key" value="<?= $uuid ?>" />
		<fieldset>	
		<h4>Invia file</h4>
        <div class="item">
        	<label for="commessa">Commessa *</label>
            <select name="commessa" class="input w300">
            <?
			//campi restituitu da una query
			?>
        	</select>
		</div>
        <div class="item">
        	<label for="ulfile1">File</label></td>
			<input type="file" class="input w300" name="ulfile1" id="ulfile1" />
        </div>
		</fieldset>
        <fieldset>    
        <h4>note</h4>
		<div class="item">
			<label for="note_tipografia">note *</label>
			<textarea name="note_tipografia" class="input w400"></textarea>
		</div>
		</fieldset>
        <div class="form-submit">
			<input type="hidden" name="id_utenti" value="<?=$id_utenti?>" />
			<input type="hidden" name="action" value="download_inserisci" />
			<input type="button" value="annulla" onClick="$('#form_inserimento').hide();" />
			<input type="submit" value="invia" />
		</div>
	</form>    
    


		<span class="progressbar" id="uploadprogressbar">0%</span>
	<iframe style="display: none;" name="progressFrame"></iframe>
	</div>