util.pointDecimal=function(value,num) { if(value===null||value===undefined||value==NaN){ return "0.00"; } value = value+""; value = parseFloat(value.replace(/(\.\d{num})\d+$/,"$1")).toFixed(num).toString().split("."); value[0] = value[0].replace(new RegExp('(\\d)(?=(\\d{3})+$)','ig'),"$1,"); return value.join(".");; }