function InitializeMenu(objTag, menuClass, onClass, offClass)
{
	var elementList = document.getElementsByTagName(objTag);

	for (var i=0; i < elementList.length; i++)
	{
		if (elementList[i].className == menuClass)
		{
			elementList[i].onclick = function()
			{
				if (this.parentNode.className == onClass)
				{
					this.parentNode.className = offClass;
				}
				else
				{
					this.parentNode.className = onClass;
				}
			}
		}
	}
}