$(document).ready(function() { 

// malsup.com/jquery/form/#code-samples
    var options = { 
        target:     '#form_echo',   // target element(s) to be updated with server response 
        type:      'post',
        url:       '/include/ajax/ajax.kontakt.php'
    }; 
 
    // bind to the form's submit event 
    $('#kontaktni_obrazec_form').submit(function() { 
        $(this).ajaxSubmit(options); 
        return false; 
    }); 
     
 });