function SetPosLeft(Ident) {

    var NameElement = Ident;

    var PosLeft = NameElement.offsetLeft;

    while (NameElement.offsetParent != null) {

      NameElement = NameElement.offsetParent;

      PosLeft += NameElement.offsetLeft;

      if (NameElement.tagName == 'BODY') break;

}

    return PosLeft;

}



function SetPosTop(Ident) {

    var NameElement = Ident;

    var PosTop = NameElement.offsetTop;

    while (NameElement.offsetParent != null) {

      NameElement = NameElement.offsetParent;

      PosTop += NameElement.offsetTop;

      if (NameElement.tagName == 'BODY') break;

}

    return PosTop;

}



function ShowDownMenuL (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem)+19;

    obj.style.left=SetPosLeft(Elem);

    ShowHideMenu(obj);

}



function ShowDownMenuR (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem)+19;

    obj.style.left=SetPosLeft(Elem)-115;

    ShowHideMenu(obj);

}



function ShowDownMenuRm (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem)+19;

    obj.style.left=SetPosLeft(Elem)-50

    ShowHideMenu(obj);

}





function ShowUpMenu (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem)-65;

    obj.style.left=SetPosLeft(Elem);

    ShowHideMenu(obj);

}



function ShowRightMenu (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem);

    obj.style.left=SetPosLeft(Elem)+155;

    ShowHideMenu(obj);

}



function ShowLeftMenu (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem);

    obj.style.left=SetPosLeft(Elem)-160;

    ShowHideMenu(obj);

}



function ShowRightMenuBook (Idt, Elem){

    var obj = document.getElementById(Idt);

    obj.style.top=SetPosTop(Elem);

    obj.style.left=SetPosLeft(Elem)+155;

    ShowHideMenu(obj);

}



function ShowHideMenu (obj) {

    if (obj.style.display == 'block') {

        obj.style.display = 'none';

    } else {

    obj.style.display = 'block';

}

}