function dateformat ( format, timestamp ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com)
    // +      parts by: Peter-Paul Koch (http://www.quirksmode.org/js/beat.html)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: MeEtc (http://yass.meetcweb.com)
    // +   improved by: Brad Touesnard
    // +   improved by: Tim Wiel
    // +   improved by: Bryan Elliott
    // +   improved by: Brett Zamir
    // +   improved by: David Randall
    // *     example 1: date('H:m:s \\m \\i\\s \\m\\o\\n\\t\\h', 1062402400);
    // *     returns 1: '09:09:40 m is month'
    // *     example 2: date('F j, Y, g:i a', 1062462400);
    // *     returns 2: 'September 2, 2003, 2:26 am'
    // *     example 3: date('Y W o', 1062462400);
    // *     returns 3: '2003 36 2003'
    // *     example 4: x = date('Y m d', (new Date()).getTime()/1000); // 2009 01 09
    // *     example 4: (x+'').length == 10
    // *     returns 4: true

    var a, jsdate=(
        (typeof(timestamp) == 'undefined') ? new Date() : // Not provided
        (typeof(timestamp) == 'number') ? new Date(timestamp*1000) : // UNIX timestamp
        new Date(timestamp) // Javascript Date()
        );
    var pad = function(n, c){
        if( (n = n + "").length < c ) {
            return new Array(++c - n.length).join("0") + n;
        } else {
            return n;
        }
    };
    var txt_weekdays = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
    var txt_ordin = {
        1:"st",
        2:"nd",
        3:"rd",
        21:"st",
        22:"nd",
        23:"rd",
        31:"st"
    };
    var txt_months =  ["", "January", "February", "March", "April",
    "May", "June", "July", "August", "September", "October", "November",
    "December"];

    var f = {
        // Day
        d: function(){
            return pad(f.j(), 2);
        },
        D: function(){
            var t = f.l();
            return t.substr(0,3);
        },
        j: function(){
            return jsdate.getDate();
        },
        l: function(){
            return txt_weekdays[f.w()];
        },
        N: function(){
            return f.w() + 1;
        },
        S: function(){
            return txt_ordin[f.j()] ? txt_ordin[f.j()] : 'th';
        },
        w: function(){
            return jsdate.getDay();
        },
        z: function(){
            return (jsdate - new Date(jsdate.getFullYear() + "/1/1")) / 864e5 >> 0;
        },

        // Week
        W: function(){
            var a = f.z(), b = 364 + f.L() - a;
            var nd2, nd = (new Date(jsdate.getFullYear() + "/1/1").getDay() || 7) - 1;

            if(b <= 2 && ((jsdate.getDay() || 7) - 1) <= 2 - b){
                return 1;
            } else{

                if(a <= 2 && nd >= 4 && a >= (6 - nd)){
                    nd2 = new Date(jsdate.getFullYear() - 1 + "/12/31");
                    return date("W", Math.round(nd2.getTime()/1000));
                } else{
                    return (1 + (nd <= 3 ? ((a + nd) / 7) : (a - (7 - nd)) / 7) >> 0);
                }
            }
        },

        // Month
        F: function(){
            return txt_months[f.n()];
        },
        m: function(){
            return pad(f.n(), 2);
        },
        M: function(){
            t = f.F(); return t.substr(0,3);
        },
        n: function(){
            return jsdate.getMonth() + 1;
        },
        t: function(){
            var n;
            if( (n = jsdate.getMonth() + 1) == 2 ){
                return 28 + f.L();
            } else{
                if( n & 1 && n < 8 || !(n & 1) && n > 7 ){
                    return 31;
                } else{
                    return 30;
                }
            }
        },

        // Year
        L: function(){
            var y = f.Y();
            return (!(y & 3) && (y % 1e2 || !(y % 4e2))) ? 1 : 0;
        },
        o: function(){
            if (f.n() === 12 && f.W() === 1) {
                return jsdate.getFullYear()+1;
            }
            if (f.n() === 1 && f.W() >= 52) {
                return jsdate.getFullYear()-1;
            }
            return jsdate.getFullYear();
        },
        Y: function(){
            return jsdate.getFullYear();
        },
        y: function(){
            return (jsdate.getFullYear() + "").slice(2);
        },

        // Time
        a: function(){
            return jsdate.getHours() > 11 ? "pm" : "am";
        },
        A: function(){
            return f.a().toUpperCase();
        },
        B: function(){
            // peter paul koch:
            var off = (jsdate.getTimezoneOffset() + 60)*60;
            var theSeconds = (jsdate.getHours() * 3600) +
            (jsdate.getMinutes() * 60) +
            jsdate.getSeconds() + off;
            var beat = Math.floor(theSeconds/86.4);
            if (beat > 1000) beat -= 1000;
            if (beat < 0) beat += 1000;
            if ((String(beat)).length == 1) beat = "00"+beat;
            if ((String(beat)).length == 2) beat = "0"+beat;
            return beat;
        },
        g: function(){
            return jsdate.getHours() % 12 || 12;
        },
        G: function(){
            return jsdate.getHours();
        },
        h: function(){
            return pad(f.g(), 2);
        },
        H: function(){
            return pad(jsdate.getHours(), 2);
        },
        i: function(){
            return pad(jsdate.getMinutes(), 2);
        },
        s: function(){
            return pad(jsdate.getSeconds(), 2);
        },
        u: function(){
            return pad(jsdate.getMilliseconds()*1000, 6);
        },

        // Timezone
        //e not supported yet
        I: function(){
            var DST = (new Date(jsdate.getFullYear(),6,1,0,0,0));
            DST = DST.getHours()-DST.getUTCHours();
            var ref = jsdate.getHours()-jsdate.getUTCHours();
            return ref != DST ? 1 : 0;
        },
        O: function(){
            var t = pad(Math.abs(jsdate.getTimezoneOffset()/60*100), 4);
            if (jsdate.getTimezoneOffset() > 0) t = "-" + t; else t = "+" + t;
            return t;
        },
        P: function(){
            var O = f.O();
            return (O.substr(0, 3) + ":" + O.substr(3, 2));
        },
        //T not supported yet
        Z: function(){
            var t = -jsdate.getTimezoneOffset()*60;
            return t;
        },

        // Full Date/Time
        c: function(){
            return f.Y() + "-" + f.m() + "-" + f.d() + "T" + f.h() + ":" + f.i() + ":" + f.s() + f.P();
        },
        r: function(){
            return f.D()+', '+f.d()+' '+f.M()+' '+f.Y()+' '+f.H()+':'+f.i()+':'+f.s()+' '+f.O();
        },
        U: function(){
            return Math.round(jsdate.getTime()/1000);
        }
    };

    return format.replace(/[\\]?([a-zA-Z])/g, function(t, s){
        if( t!=s ){
            // escaped
            ret = s;
        } else if( f[s] ){
            // a date function exists
            ret = f[s]();
        } else{
            // nothing special
            ret = s;
        }
        return ret;
    }).replace('%Q', function() {
    	var now = new Date();
    	var delta = now.getTime() - jsdate.getTime();
    	var temp = delta / (60 * 60 * 24) / 1000;
    	var days = Math.floor(temp);
    	if (days >= '8') {
    		return 'More Than Week Ago';
    	} else if (days == '7') {
    		return 'Week Ago';
    	} else if (days == '1') {
    		return 'Yesterday';
    	} else if (days == '0' || days == '-1') {
    		return 'Today';
    	}
    	return days + ' Days Ago';
    });
}

function strtotime(str, now) {
    // http://kevin.vanzonneveld.net
    // +   original by: Caio Ariede (http://caioariede.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: David
    // +   improved by: Caio Ariede (http://caioariede.com)
    // %        note 1: Examples all have a fixed timestamp to prevent tests to fail because of variable time(zones)
    // *     example 1: strtotime('+1 day', 1129633200);
    // *     returns 1: 1129719600
    // *     example 2: strtotime('+1 week 2 days 4 hours 2 seconds', 1129633200);
    // *     returns 2: 1130425202
    // *     example 3: strtotime('last month', 1129633200);
    // *     returns 3: 1127041200
    // *     example 4: strtotime('2009-05-04 08:30:00');
    // *     returns 4: 1241418600

    var i, match, s, strTmp = '', parse = '';

    strTmp = str;
    strTmp = strTmp.replace(/\s{2,}|^\s|\s$/g, ' '); // unecessary spaces
    strTmp = strTmp.replace(/[\t\r\n]/g, ''); // unecessary chars

    if (strTmp == 'now') {
        return (new Date()).getTime();
    } else if (!isNaN(parse = Date.parse(strTmp))) {
        return parse/1000;
    } else if (now) {
        now = new Date(now);
    } else {
        now = new Date();
    }

    strTmp = strTmp.toLowerCase();

    var process = function (m) {
        var ago = (m[2] && m[2] == 'ago');
        var num = (num = m[0] == 'last' ? -1 : 1) * (ago ? -1 : 1);

        switch (m[0]) {
            case 'last':
            case 'next':
                switch (m[1].substring(0, 3)) {
                    case 'yea':
                        now.setFullYear(now.getFullYear() + num);
                        break;
                    case 'mon':
                        now.setMonth(now.getMonth() + num);
                        break;
                    case 'wee':
                        now.setDate(now.getDate() + (num * 7));
                        break;
                    case 'day':
                        now.setDate(now.getDate() + num);
                        break;
                    case 'hou':
                        now.setHours(now.getHours() + num);
                        break;
                    case 'min':
                        now.setMinutes(now.getMinutes() + num);
                        break;
                    case 'sec':
                        now.setSeconds(now.getSeconds() + num);
                        break;
                    default:
                        var day;
                        if (typeof (day = __is_day[m[1].substring(0, 3)]) != 'undefined') {
                            var diff = day - now.getDay();
                            if (diff == 0) {
                                diff = 7 * num;
                            } else if (diff > 0) {
                                if (m[0] == 'last') diff -= 7;
                            } else {
                                if (m[0] == 'next') diff += 7;
                            }

                            now.setDate(now.getDate() + diff);
                        }
                }

                break;

            default:
                if (/\d+/.test(m[0])) {
                    num *= parseInt(m[0]);

                    switch (m[1].substring(0, 3)) {
                        case 'yea':
                            now.setFullYear(now.getFullYear() + num);
                            break;
                        case 'mon':
                            now.setMonth(now.getMonth() + num);
                            break;
                        case 'wee':
                            now.setDate(now.getDate() + (num * 7));
                            break;
                        case 'day':
                            now.setDate(now.getDate() + num);
                            break;
                        case 'hou':
                            now.setHours(now.getHours() + num);
                            break;
                        case 'min':
                            now.setMinutes(now.getMinutes() + num);
                            break;
                        case 'sec':
                            now.setSeconds(now.getSeconds() + num);
                            break;
                    }
                } else {
                    return false;
                }

                break;
        }

        return true;
    }

    var __is =
    {
        day:
        {
            'sun': 0,
            'mon': 1,
            'tue': 2,
            'wed': 3,
            'thu': 4,
            'fri': 5,
            'sat': 6
        },
        mon:
        {
            'jan': 0,
            'feb': 1,
            'mar': 2,
            'apr': 3,
            'may': 4,
            'jun': 5,
            'jul': 6,
            'aug': 7,
            'sep': 8,
            'oct': 9,
            'nov': 10,
            'dec': 11
        }
    }

    match = strTmp.match(/^(\d{2,4}-\d{2}-\d{2})(\s\d{1,2}:\d{1,2}(:\d{1,2})?)?$/);

    if (match != null) {
        if (!match[2]) {
            match[2] = '00:00:00';
        } else if (!match[3]) {
            match[2] += ':00';
        }

        s = match[1].split(/-/g);

        for (i in __is.mon) {
            if (__is.mon[i] == s[1] - 1) {
                s[1] = i;
            }
        }

        return strtotime(s[2] + ' ' + s[1] + ' ' + s[0] + ' ' + match[2]);
    }

    var regex = '([+-]?\\d+\\s'
    + '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?'
    + '|sun\.?|sunday|mon\.?|monday|tue\.?|tuesday|wed\.?|wednesday'
    + '|thu\.?|thursday|fri\.?|friday|sat\.?|saturday)'
    + '|(last|next)\\s'
    + '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?'
    + '|sun\.?|sunday|mon\.?|monday|tue\.?|tuesday|wed\.?|wednesday'
    + '|thu\.?|thursday|fri\.?|friday|sat\.?|saturday))'
    + '(\\sago)?';

    match = strTmp.match(new RegExp(regex, 'g'));

    if (match == null) {
        return false;
    }

    for (i in match) {
        if (!process(match[i].split(' '))) {
            return false;
        }
    }

    return (now);
}

function local_date(date) {
    date = strtotime(date);
    date -= new Date().getTimezoneOffset() * 60 - settings.tzOffset * 60;
    return dateformat('d.m.Y H:i', date);
}