Avanzamento pagine

[bstefano79]

prova una cosa del genere

       <input name="data" type="text" class="picchetti" id="datepicker" value="<?php echo $dateSub;?>" size="10" />
        [url="#"]>[/url]
        [url="#"]>[/url]

        <input type="submit" name="submit" id="submit" value="vai" />
      </form></td>

<script language="javascript">
function som()
{
    data=new Date(document.getElementById('datepicker').value);
    data=addInterval(data, 'h', 24);
    document.getElementById('datepicker').value=data;
}
function sot()
{
    data=new Date(document.getElementById('datepicker').value);
    data=addInterval(data, 'h', -24);
    document.getElementById('datepicker').value=data;
}

</script>