formatTime

gistfile1.js

    /**
     *  Formats number of seconds to hh:mm:ss format.
     */
    formatTime: function (seconds) {
        var minutes = Math.floor(seconds / 60),
            hours = Math.floor(minutes / 60),
            h = (hours !== 0) ? hours + ":" : "",
            m = (minutes % 60 !== 0) ? (minutes % 60) + ":" : ((h === "") ? "" : "00:"),
            s = (seconds % 60 !== 0) ? (seconds % 60) : "00";

        return h + m + s;
    },