/* just produce some distinguishable output */
(function(){
    $('div#logbook').append("3. test1 start<br/>");
    $('span#output1').html("script #1 loaded");
    var i = 7;
    setInterval(function () {
        $('span#output1').html("i=" + i++);
    }, 1000);
    $('div#logbook').append("4. test1 end<br/>");
})();