dsTraining = {
	init: function() {
		$$("div.sgBoxInner ul.sgTab01Active li").each(function(item) {
			item.observe('click', dsTraining.updateScoresBoardTab);
		});
	},
	updateScoresBoardTab: function(event) {
		var element = Event.element(event);
		var idx = parseInt(element.id.replace("sgTab", ""));
		var parent = element.up();
		parent.removeClassName("sgTab01Active").removeClassName("sgTab02Active");
		parent.toggleClassName("sgTab0"+idx+"Active");
		switch (idx) {
			default :
			case 1 :
				$("sgProgressions").hide();
				$("sgScores").show();
			break;
			case 2 :
				$("sgScores").hide();
				$("sgProgressions").show();
			break;
		}
	}
}
Event.observe(window, "load", dsTraining.init, false);