ciao a tutti,
premetto che ho fatto una ricerca prima di aprire un nuovo post ma non riesco ad ottenere quello che mi serve seguendo i vecchi post.
dovrei aggiornare le immagini contenute in meteocesena.net ma non ci riesco.

voi potete aiutarmi?

vi allego anche il codice della pagina

codice HTML:
<!DOCTYPE html><html lang="en">
<head>    <meta charset="utf-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <meta name="description" content="">    <meta name="author" content="">
    <title>webcam cesena</title>
    <!-- Bootstrap core CSS -->    <link href="css/bootstrap.css" rel="stylesheet">
    <!-- Custom CSS for the '3 Col Portfolio' Template -->    <link href="css/portfolio-item.css" rel="stylesheet">




<script language="Javascript"><!-- hidevar x = 2;var y = 1;var now;function caminawin(){ window.open('https://dl.dropboxusercontent.com/u/45909/webcamwebcam.jpg', 'popwin', 'scrollbars=0,status=0,toolbar=0,resizable=0,width=748,height=606,top=150,left=185'); }function startClock() {x = x-y;document.form1.clock.value = x;if (x <= 1) reload();timerID = setTimeout("startClock()", 50);}function reload() {now = new Date();var camImg = "https://dl.dropboxusercontent.com/u/45909/webcamwebcam.jpg" + "?" + now.getTime();document.campicture.src = camImg;x = 300;document.form1.clock.value = x;}// end hide -->  </script>  <link rel="stylesheet" href="thumbnailviewer.css" type="text/css">
  <script src="thumbnailviewer.js" type="text/javascript"> </script>




</head><body>        <div class="container">
        <div class="row">
            <div class="col-lg-12">                <h1 class="page-header">Webcam Cesena                    <small></small>                </h1>            </div>
        </div>
        <div class="row">
            <div class="col-md-8">                <img class="img-responsive" src="https://dl.dropboxusercontent.com/u/45909/webcamwebcam.jpg" name="webcam" onload="InitialImage()">            </div>
            <div class="col-md-4">                <h3></h3>                <p>Webcam per rilevamento metereologico posizionata sui tetti di cesena</p>                <p>La webcam è attiva dalle 5.30 alle 21.00</p>                <h3></h3>                <p>Per info <br>                   <a href="mailto:meteocesena@gmail.com">meteocesena@gmail.com</a> </p>            </div>
        </div><br><br><br><!-- ALTRE WEBCAM -->
        <div class="row">
            <div class="col-lg-12">                <h3 class="page-header">Webcam in zona</h3>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.meteosantalberico.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.eremosantalberico.it/meteo/webcam/current.jpg" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.webcamcampigna.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.webcamcampigna.it/immagini-webcam/immagine.jpg" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.lavalmarecchia.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.lavalmarecchia.it/webcam_eremo/webcam.jpg" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.meteoappennino.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.meteoappennino.it/webcarpegna/02/images/montecarpegna_1200.jpg" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.lacrocina.net" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.romagnacque.it/image.php?foto=03" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.ridracoli.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.romagnacque.it/image.php?foto=04" style="width:500px; height:300px">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.ridracoli.it" target="_blank">                    <img class="img-responsive portfolio-item" src="http://www.lacrocina.net/photo/002.jpg" style="width:500px; height:300px">                </a>            </div>
            
        </div>
<!-- FINE ALTRE WEBCAM -->

<!-- SPONSOR -->        <div class="row">
            <div class="col-lg-12">                <h3 class="page-header">Main Sponsors</h3>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.mazziatore.it/" target="_blank">                    <img class="img-responsive portfolio-item" src="mazziatore.jpg">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.evergreenpics.com/" target="_blank">                    <img class="img-responsive portfolio-item" src="evergre.jpg">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="http://www.snobbino.com/" target="_blank">                    <img class="img-responsive portfolio-item" src="snobbino.jpg">                </a>            </div>
            <div class="col-sm-3 col-xs-6">                <a href="mailto:meteocesena@gmail.com">                    <img class="img-responsive portfolio-item" src="bannervuoto.jpg">                </a>            </div>
        </div>
    </div><!-- FINE SPONSOR -->



    <div class="container">
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        <footer>            <div class="row">                <div class="col-lg-12">                    <p>Copyright &copy; meteocesena.net 2013</p>                    <FONT SIZE="1">                         <p>                        La privacy e' tutelata, in quanto il sistema e' studiato in modo tale da non consentire di individuare i tratti somatici delle persone eventualmente inquadrate. <br>La nostra webcam, come prescritto dal Garante della Privacy, e' fissa e senza zoom, a bassa risoluzione e collocata lontano dalla zona ripresa. <br>                        Inoltre le immagini riprese non vengono archiviate. <br>                        Aggiornamento ogni 60 secondi.                        </p>                    </FONT>                        <!-- Begin Shinystat code --><script type="text/javascript" src="http://codice.shinystat.com/cgi-bin/getcod.cgi?USER=ilsaro"></script><noscript><a href="http://www.shinystat.com" target="_top"><img src="http://www.shinystat.com/cgi-bin/shinystat.cgi?USER=ilsaro" alt="Free statistics" border="0" /></a></noscript><!-- End Shinystat code -->                </div>            </div>        </footer>
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