var menuObject = null;

function displayHighlightedMenu(menuName, bar)
{
	bar.style.backgroundColor='#FF0000';

	var image = document.getElementById(menuName + 'Bar');
	var x = 0, y = 0;
	while (image != null)
	{
		x += image.offsetLeft;
		y += image.offsetTop;

		image = image.offsetParent;
	}

	var elementId = document.getElementById(menuName + 'Menu');

	elementId.style.top = y + 12;
	elementId.style.left = x + 25;
	elementId.style.visibility = 'Visible';

	menuObject = bar;
}

function hideHighlightedMenu(menuName, bar)
{
	if (menuObject != null)
	{
		menuObject.style.backgroundColor='transparent';
		menuObject = null;
	}

	document.getElementById(menuName + 'Menu').style.visibility = 'Hidden';
}