//<![CDATA[
function ShowHide(id) {
    var e = document.getElementById(id);
    if (e.style.display == 'block' || e.style.display == '')
        e.style.display = 'none';
    else
        e.style.display = 'block';
}
function CheckUpload(id) {
    var e = document.getElementById(id);
    if (e.value != '') {
        ShowHide('loading');
        return true;
    }
    else {
        alert('Please select a file to upload!');
        return false;
    }
}
//]]>