function ShowMenu(obj, id) {

    document.getElementById("MenuTable" + id).style.visibility = 'visible'

    //alert(obj.width)
    document.getElementById("MenuTable" + id).style.top = ObjectPosition(obj)[1] + 40
    document.getElementById("MenuTable" + id).style.left = ObjectPosition(obj)[0] - obj.width / 2
    document.getElementById("MenuTable" + id).style.filter = "alpha(opacity = 70)"
    document.getElementById("DivTable" + id).style.visibility = 'visible'

    document.getElementById("DivTable" + id).style.top = ObjectPosition(obj)[1] + 75

    document.getElementById("DivTable" + id).style.left = ObjectPosition(obj)[0] - obj.width / 2






}
function HideMenu(obj, id) {
    document.getElementById("MenuTable" + id).style.visibility = 'Hidden'
    document.getElementById("DivTable" + id).style.visibility = 'Hidden'


}
function ObjectPosition(obj) {
    var curleft = 0;
    var curtop = 0;
    if (obj.offsetParent) {
        do {
            curleft += obj.offsetLeft;
            curtop += obj.offsetTop;
        } while (obj = obj.offsetParent);
    }

    return [curleft, curtop];
}