function confirmPopup(text, func)
{
    if (confirm(text)) {
        if (typeof func === 'function')
            func.call();
        return true;
    }

    return false;
}

function copyToClipboard(text) {
    if (window.clipboardData) {
        window.clipboardData.setData("Text", text);
        return true;
    }
    return false;
}

function showHide(elem) {
    elem = document.getElementById(elem);
    if (elem.style.display == 'block')
        elem.style.display = 'none';
    else
        elem.style.display = 'block';

    return false;
}