function prettyDate(now, time){ var date = new Date(time || ""), diff = (((new Date(now)).getTime() - date.getTime()) / 1000), day_diff = Math.floor(diff / 86400); if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 ) return; return day_diff == 0 && ( diff < 60 && "just now" || diff < 120 && "1 minute ago" || diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" || diff < 7200 && "1 hour ago" || diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") || day_diff == 1 && "Yesterday" || day_diff < 7 && day_diff + " days ago" || day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago"; }