var nTableHeight = 0;

				//get the screen height so we can make the footer sit just right
				var isNav = false;
				if (navigator.appVersion >=4  && navigator.appName == "Netscape")
				{
					var isNav = true;
				}

				if (isNav == false)
				{
					var nScreenHeight = document.body.clientHeight;
				}
				else
				{
					var nScreenHeight = window.innerHeight;
				}
		        nTableHeight = nScreenHeight - 139;