Abbreviate number. i.e. 250000 = 250K

abbrNum.js

function abbrNum(number, decPlaces) {
    decPlaces = Math.pow(10,decPlaces);

    var abbrev = ['K', 'M', 'B', 'T'];

    for (var i = abbrev.length - 1; i >= 0; i--) {
        var size = Math.pow(10,(i+1)*3);

        if (size <= number) {
             number = Math.round(number * decPlaces / size) / decPlaces;

             if ((number == 1000) && (i < abbrev.length - 1)) {
                 number = 1;
                 i++;
             }

             number += abbrev[i];
             break;
        }
    }

    return number;
}