Form:
<div id="main">
<form name="input" id="myform" action="here.php" method="post">
<button type="button" id="1" name="fillo" onclick="ss();start()">Start</button>
<button type="button" id="2" name="mbaro" onclick="ss();start()" onfocus="this.blur()">Stop</button>
<input type="text" id="disp" name="koha"> <br>
</form>
Script:
<script>
function start(){
document.getElementById("myform").submit();
}
</script>
PHP for here.php:
<?php
echo $_POST['koha']; //Use the update command instead of echo
?>