function updateLog(){
    $.get('getLog.php',
        function(response){
            $('#container-log').each(function(){
                    // get DOM element
                    var div = $(this);
                    //$(this).html("Hejsa");
                    var scrolledDown = false;
                    // check if div is scrolled down
                    if((div.scrollTop - div.scrollHeight) < 12 && (div.scrollTop - div.scrollHeight) > -12){
                        scrolledDown = true; // if already near bottom
                    }
                    var wasEmpty = false;
                    if($(this).text().length<12){
                        // div doesnt overflow
                        wasEmpty = true;
                    }

                    if(response){
                        $(this).html(response);
                    }
                    else{
                        $(this).html("");
                    }
                    if(scrolledDown || wasEmpty){
                        // scroll divs down to the last line after refresh
                        div.scrollTop = div.scrollHeight;
                    }
                });
        }
    );
};
$(function(){
    updateLog();
    setInterval("updateLog()", 5000);
});