function mainChartRefresh(){
	document.getElementById("trs1").src = "http://bigcharts.marketwatch.com/kaavio.Webhost/charts/gqplus/fpDJIA-narrow.gqplus?rand=532857224";
	document.getElementById("trs2").src = "http://bigcharts.marketwatch.com/kaavio.Webhost/charts/gqplus/fpNASDAQ-narrow.gqplus?rand=532857224";

	setTimeout("mainChartRefresh()",60000);
}