var current_menu_selected = false;
function do_counter() {
        var now = new Date();
        var elapsed_time = Math.round((now.getTime() - entertime.getTime()) / 1000);
        var species_lost = Math.floor(elapsed_time / species_interval);
        var rainforest_lost = Math.floor(elapsed_time / rainforest_interval);
        if (species_lost < 10 ) species_lost = '0' + species_lost;
        else if (species_lost > 99) species_lost = 99;
        if (rainforest_lost < 10 ) rainforest_lost = '000000000' + rainforest_lost;
        else if (rainforest_lost < 100) rainforest_lost = '00000000' + rainforest_lost;
        else if (rainforest_lost < 1000) rainforest_lost = '0000000' + rainforest_lost;
        else if (rainforest_lost < 10000) rainforest_lost = '000000' + rainforest_lost;
        else if (rainforest_lost < 100000) rainforest_lost = '00000' + rainforest_lost;
        else if (rainforest_lost < 1000000) rainforest_lost = '0000' + rainforest_lost;
        else if (rainforest_lost < 10000000) rainforest_lost = '000' + rainforest_lost;
        else if (rainforest_lost < 100000000) rainforest_lost = '00' + rainforest_lost;
        else if (rainforest_lost < 1000000000) rainforest_lost = '0' + rainforest_lost;
        else if (rainforest_lost > 9999999999) rainforest_lost = 9999999999;
        $('species_lost').innerHTML = number2img(species_lost);
        $('rainforest_lost').innerHTML = number2img(rainforest_lost);
        var hours_elapsed = Math.floor(elapsed_time / 60 / 60);
        var minutes_elapsed = Math.floor((elapsed_time - hours_elapsed * 60 * 60) / 60);
        var seconds_elapsed = elapsed_time - (hours_elapsed * 60 * 60) - minutes_elapsed * 60;
        if (hours_elapsed > 99) {
                hours_elapsed = 99;
                minutes_elapsed = 59;
                seconds_elapsed = 59;
        }
        if (hours_elapsed < 10) hours_elapsed = '0' + hours_elapsed;
        if (minutes_elapsed < 10) minutes_elapsed = '0' + minutes_elapsed;
        if (seconds_elapsed < 10) seconds_elapsed = '0' + seconds_elapsed;
        if (hours_elapsed == 0) {
            $('visiting_time').innerHTML = minutes_elapsed + ' : ' + seconds_elapsed;
        } else {
            $('visiting_time').innerHTML = hours_elapsed + ' : ' + minutes_elapsed + ' : ' + seconds_elapsed;
        }
}
function number2img(n) {
        var arr = new String(n).split('');
        var result = '';
        for (var i = 0; i < arr.length; i++) {
                result += '<img src="images/counter/' + arr[i] + '.png" alt="' + arr[i] + '" class="number" \/>';
        }
        return result;
}
function start_counter() {
        tabdropdown.init("dropdownmenu", 'auto');
        if (current_menu_selected) {
            var anchs = document.getElementById('dropdownmenu').getElementsByTagName('A');
            for (var i = 0; i < anchs.length; i++) {
                if (anchs[i].getAttribute("rel") == current_menu_selected) {
                    tabdropdown.dropit(anchs[i], {type: 'mouseover'}, current_menu_selected);
                }
            }
        }
        window.setInterval(do_counter, 1000);
}
Event.observe(window, 'load', start_counter);