function hasClass(obj)
{
	var result = false;
	if (obj.getAttributeNode("class") != null)
	{
		result = obj.getAttributeNode("class").value;
	}
	return result;
}   

function stripe()
{
	var even = false;
	var evenColor = arguments[0] ? arguments[0] : "#fff";
	var oddColor = arguments[1] ? arguments[1] : "#eee";
	var tbodies = document.getElementsByTagName("tbody");
	for (var h = 0; h < tbodies.length; h++)
	{
		var trs = tbodies[h].getElementsByTagName("tr");
		for (var i = 0; i < trs.length; i++)
		{
			if (! hasClass(trs[i]) && ! trs[i].style.backgroundColor)
			{
				var tds = trs[i].getElementsByTagName("td");
				for (var j = 0; j < tds.length; j++)
				{
					var mytd = tds[j];
					if (! hasClass(mytd) && ! mytd.style.backgroundColor)
					{
						mytd.style.backgroundColor = even ? evenColor : oddColor;
					}
				}
			}
			even =  ! even;
		}
	}
}