$(function() {

  $('input#email').focus(function(){
    $(this).val('');
  });
  
  $("#submit").click(function() {		
	var email = $("input#email").val();
	var dataString = 'email=' + email;
		
	$.ajax({
      type: "POST",
      url: "bin/process.php",
      data: dataString,
      success: function() {
        $('#contact_form').html("<div id='message'></div>")
        $('#message').html('<img src="images/message-envoi.gif" alt="message-envoi" />');
      }
     });
    return false;
	});
});