function toDecimal2(x ) {
var f = parseFloat(x);
if (isNaN(f)) {
return false;
}
var f = Math.round(x*100 )/100 ;
var s = f.toString();
var rs = s.indexOf(‘.‘ );
if (rs < 0) {
rs = s.length;
s += ‘.‘;
}
while (s.length <= rs + 2) {
s += ‘0‘;
}
return s;
}
function fomatFloat( src,pos ){
return Math.round(src* Math.pow(10, pos))/Math.pow(10 , pos);
