function showRegions(id)  {
    var nodes = document.getElementsByName('region[]');
    if (!nodes)
        return;
        
    for (var i = 0; i < nodes.length; i++)
        nodes[i].parentNode.className = "hidden";   // IE doesn't support getElementsByName on div

    if (id != '0') {
        var node = document.getElementById('id' + id);
        if (!node)
            return;
        node.className = "";
    }
}

function toggle(id) {
    var node = document.getElementById('unternehmen' + id);
    if (!node)
        return;
    if (node.className == "")
        node.className = "hidden";
    else
        node.className = "";
}

function sendForm(page, formID) {
    var form = document.getElementById('form' + formID);
    var node = document.getElementById('hidden' + formID);
    node.setAttribute('value', page);
    form.submit();
}