function myMenuShow(tdId,divId,isRight,isDown)
{
	var td = document.getElementById(tdId);
	var div = document.getElementById(divId);
	if ((td != null) && (div != null))
	{
		if (isRight == null) { isRight = true; }
		if (isDown == null) { isDown = true; }
		div.style.display = "";
		if (isDown) { div.style.top = wo.system.getElementTop(tdId) + wo.system.getElementHeight(tdId) - 1 + "px"; }
		else { div.style.top = wo.system.getElementTop(tdId) - wo.system.getElementHeight(tdId) - wo.system.getElementHeight(divId) + "px"; }
		if (isRight) { div.style.left = wo.system.getElementLeft(tdId) + "px"; }
		else { div.style.left = wo.system.getElementLeft(tdId) + wo.system.getElementWidth(tdId) - wo.system.getElementWidth(divId) + "px"; }
	}
}

function myMenuHide(tdId,divId)
{
	var td = document.getElementById(tdId);
	var div = document.getElementById(divId);
	if ((td != null) && (div != null))
	{
		div.style.display = "none";
	}
}