var gecko = /gecko/i.test(navigator.userAgent); 
var ns = (document.layers)? true:false;
var ie = (document.all)? true:false;

function sb(ID, Text) {
    ID.src = ID.src.replace(/-p\./,'-a.')
    window.status = Text;    
    return true;
}

function db(ID) {
    ID.src = ID.src.replace(/-a\./,'-p.')
}

function tg(ID) {
    var e = document.getElementById(ID);

    if (e.style.display == 'none') {
        e.style.display = 'block';
    } else {
        e.style.display = 'none';
    }
}

function ce(ID) {
    var e = document.getElementById(ID);

    if (/exp/.test(e.src))
        e.src = e.src.replace(/exp/,'col');
    else
        e.src = e.src.replace(/col/,'exp');
}

function getSelectionValue(aSelection) {

    return aSelection.options[aSelection.selectedIndex].value;
}

function setSelectionValue(aSelection, aValue) {
    
    for (var i = 0; i < aSelection.options.length; i++) {
        if (aSelection.options[i].value == aValue) {
            aSelection.selectedIndex = i;
            break;
        }
    }
}

function selectLang(e) {
    document.getElementById('bpl').className = 'button';
    document.getElementById('ben').className = 'button';
    document.getElementById('bru').className = 'button';    
    e.className = 'buttonsel';
    document.getElementById('fpl').style.display = 'none';
    document.getElementById('fen').style.display = 'none';
    document.getElementById('fru').style.display = 'none';
    document.getElementById('f' + e.value.toLowerCase()).style.display = 'block';    
}