function showWorkers(){
        var html = '';
        for(worker in workers){
            html += '<tr><td><img src="'+ workers[worker].img +'" width="60" height="65"><br/><b>'+ workers[worker].name +'<br/>'+ pickaxes[workers[worker].pickaxe].name +'</b><br/>$'+ workers[worker].price +' - '+ workers[worker].opm +' OPM</td>';
            html += '<td><button name="buy-'+ worker +'">Buy</button><button name="sell-'+ worker +'">Sell</button><br/>You own '+ employed[worker][0] +'.</td>';

            for(ore in employed[worker][1]){
                var amount = employed[worker][1][ore];

                if(amount > 0){
                    html += '<td><img src="'+ ores[ore].img +'" /><br/>x'+ amount +'</td>';
                }
            }

            html += '</tr>';
        }
        $('#employment table').html(html);
    }

    function buyWorker(){
        var workerType = $(this).attr('name').split('-')[1];
        var cost = workers[workerType].price;

        if(money >= cost){
            money -= cost;
            employed[workerType][0] += 1;
            updateValues();
        }else{
            alert('You need more money to hire this worker.');
        }
    }

    function sellWorker(){
        var workerType = $(this).attr('name').split('-')[1];

        if(employed[workerType] > 0){
            money += workers[workerType].sell;
            employed[workerType][0] -= 1;
            updateValues();
        }else{
            alert('You can\'t sell something you don\'t have.');
        }
    }