function addCommas(nStr){nStr+='';x=nStr.split('.');x1=x[0];x2=x.length>1?'.'+x[1]:'';var rgx=/(\d+)(\d{3})/;while(rgx.test(x1)){x1=x1.replace(rgx,'$1'+','+'$2');}return x1+x2;}
function roundNumber(num,dec){var result=Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);return result;}