var defaultSymb = "SPX";
	var onSymb = "SPX";
	var onIdx = 2;

	function chgChart(symb,idx) {
		var imgSymb = (defaultSymb.indexOf('$') > -1) ? "$" + symb : symb;
		imgSrc = 'http://mediaserver.thinkorswim.com/snapcharts/chart_' + imgSymb + '.gif?rnd=885868';
		document.getElementById('mktImg').src = imgSrc;
		document.getElementById('tab' + onSymb).className = "tabOff";
		document.getElementById('tab' + symb).className = (idx == 0)?"tabOn_left":"tabOn";
		document.getElementById('row' + onSymb).className = "row" + (onIdx%2);
		document.getElementById('row' + symb).className = "rowOn";
		onSymb = symb;
		onIdx = idx;
	}