var lastItem = -1;
var Item = 'Item';
var Roll = 'Roll';

function showRoll(id) {
    document.getElementById(Roll + id).style.visibility = 'visible';
}

function hideFirstRolls() {
    document.getElementById(Roll + "0").style.visibility = 'hidden';
}

function hideSecondRolls() {
    document.getElementById(Roll + "1").style.visibility = 'hidden';
    document.getElementById(Roll + "2").style.visibility = 'hidden';
}

function hideRolls() {
    hideFirstRolls();
    hideSecondRolls();
}