function Rankings_Init(id) {
    var t = document.getElementById(id);
    if (!t) {
        return;
    }

	var i;
    var j;
	tbody = rankings.getElementsByTagName("tbody").item(0);
	trs = tbody.childNodes;

	for (j = i = 0; i < trs.length; i++)
	{ 
		if ( trs[i].tagName == "TR" || trs[i].tagName == "tr" )
		{
			trs.item(i).className = j % 2 != 0 ? "odd" : "even";
			j++;
		}
	}
}