<form id='sherehe' action='#' method='POST' style='background-color:yellow;'>
<img type='submit' src='pictured/sharepictures/sea.png' id='imagebutton' value='GET-THESE-VALUES/TEXTS' style=' cursor:pointer; border:2px solid red; border-radius:10px; width:40%;  margin-left:2px; height:40%;'></img>
</form>

//javascript
<script type="text/JavaScript">
        $(document).ready(function () {

              //listen to submit button for share
              $('#sherehe').click(function (e) {
                e.preventDefault();

                var linkTogo = $("#linkTogo").val();

                $.post("server.php", {
                 linkTogo : linkTogo ,

                });
              });

            });

            </script>