var isIE4=(!document.getElementById&&document.all);
var isIE5=(document.getElementById&&document.all);
var isNN4=(document.layers);
var isN6=(document.getElementById&&!document.all);
var Loaded=false;

function Go(field) {
    if (field.options[field.selectedIndex].value != "-") { document.location.href= field.options[field.selectedIndex].value; }
}

function ImageObj(name) {
    if (isNN4) { return FindImageObj(name, document); }
    if (isIE4) { return eval('document.all.' + name); }
    if (isIE5) { return document.getElementById(name); }
    if (isN6) { return document.images[name]; }
    return null;
}

function FindImageObj(name, doc) {
    var i, obj;
    for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name) return doc.images[i];
    for (i = 0; i < doc.layers.length; i++) if ((obj = FindImageObj(name, doc.layers[i].document)) != null) { return obj; }
    return null;
}

function ImageLeft(name) {
    var obj=ImageObj(name);
    if (isNN4) { return obj.x; }
    if (isIE4) {
        x = 0;
        while (obj.offsetParent != null) {
            x += obj.offsetLeft;
            obj = obj.offsetParent;
        }
        x += obj.offsetLeft;
        return x;
    }
    if (isIE5) {
        x = 0;
        while (obj.offsetParent != null) {
            x += obj.offsetLeft;
            obj = obj.offsetParent;
        }
        x += obj.offsetLeft;
        return x;
    }
    if (isN6) {
        x = 0;
        while (obj.offsetParent != null) {
            x += obj.offsetLeft;
            obj = obj.offsetParent;
        }
        x += obj.offsetLeft;
        return x;
    }

    return 0;
}

function ImageTop(name) {
    var obj=ImageObj(name);
    if (isNN4) { return obj.y; }
    if (isIE4) {
        y = 0;
        while (obj.offsetParent != null) {
            y += obj.offsetTop;
            obj = obj.offsetParent;
        }
        y += obj.offsetTop;
        return y;
    }
    if (isIE5) {
        y = 0;
        while (obj.offsetParent != null) {
            y += obj.offsetTop;
            obj = obj.offsetParent;
        }
        y += obj.offsetTop;
        return y;
    }
    if (isN6) {
        y = 0;
        while (obj.offsetParent != null) {
            y += obj.offsetTop;
            obj = obj.offsetParent;
        }
        y += obj.offsetTop;
        return y;
    }
    return 0;
}

function LayerObj(name) {
    if (isNN4) return FindLayerObj(name, document);
    if (isIE4) return eval('document.all.' + name).style;
    if (isIE5) { return document.getElementById(name).style; }
    if (isN6) { return document.getElementById(name).style; }
    return null;
}

function FindLayerObj(name, doc) {
    var i, obj;
    for (i=0; i < doc.layers.length; i++) {
        obj=doc.layers[i];
        if (obj.name == name) return obj;
        if (obj.document.layers.length > 0) if ((obj = FindLayerObj(name, obj.document)) != null) return obj;
    }
    return null;
}