function vajax( divname , link ) {
    $('#' + divname).load( link );
} 

function vajaxform( formname , divname ) {
  var action = $('#' + formname).attr("action");
  var dane = $('#' + formname).serializeArray();
  $.post(action, dane, function(data) {
    $('#' + divname).html(data);
  });
}