/* Default Button */
function defBtn(e, btnID) {
    var bt = $get(btnID);
    if (typeof bt == 'object') {
        if (navigator.appName.indexOf("Netscape") > (-1)) { if (e.which == 13) { bt.click(); return false; } }
        if (navigator.appName.indexOf("Microsoft Internet Explorer") > (-1)) { if (event.keyCode == 13) { bt.click(); return false; } }
    }
}