function GetAbsoluteLeft(myobj) {
    sum = 0;
    lobj = myobj;
    while (lobj.tagName != 'BODY') {
        sum = sum + lobj.offsetLeft;
        lobj = lobj.offsetParent;
    }
    return sum;
}

function GetAbsoluteRight(myobj) {
    sum = 0;
    lobj = myobj;
    while (lobj.tagName != 'BODY') {
        sum = sum + lobj.offsetLeft;
        lobj = lobj.offsetParent;
    }
    return sum + lobj.offsetWidth;
}

function GetAbsoluteTop(myobj) {
    sum = 0;
    lobj = myobj;
    while (lobj.tagName != 'BODY') {
        sum = sum + lobj.offsetTop;
        lobj = lobj.offsetParent;
    }
    return sum;
}