var menu;
var main;

function findPosX(obj)
{
var curleft = -17; //ni untuk tukar ke kanan atau ke kiri
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
}
else if (obj.x)
curleft += obj.x;
return curleft;
}

function findPosY(obj)
{
var curtop = -2; //ni untuk tukar ke atas atau ke bawah
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curtop += obj.offsetTop
obj = obj.offsetParent;
}
}
else if (obj.y)
curtop += obj.y;
return curtop;
}

function findHeightY(obj)
{
if (obj.offsetParent)
{
curheight = obj.offsetHeight
}
else if (obj.height)
curtop = obj.height;
return curheight;
}

function showMenu(menuID,mainID,level) {
menu=document.getElementById(menuID);
main=document.getElementById(mainID);
menu.style.left = findPosX(main) + "px";
var topPosition = findPosY(main) + findHeightY(main);
menu.style.top = topPosition + "px";
menu.style.visibility="visible";
}

function hideMenu(menuID) {
menu=document.getElementById(menuID);
menu.style.visibility="hidden";
}