// Date Format Method
// copyright Stephen Chapman, 20th November 2007
// http://javascript.about.com
// permission to use this JavaScript on your web page is granted
// provided that all of the code below in this script (including these
// comments) is used without any alteration

Date.prototype.getMonthName = function() 
{
    var m = ['January','February','March','April','May','June','July','August','September','October','November','December'];
    return m[this.getMonth()];
} 
Date.prototype.getMonthShort = function()
{
    var m = ['JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC'];
    return m[this.getMonth()];
} 
Date.prototype.getDayName = function() 
{
    var d = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];
    return d[this.getDay()];
}
Date.prototype.getDayShort = function() 
{
    var d = ['SUN','MON','TUE','WED','THU','FRI','SAT'];return d[this.getDay()];
}
Date.prototype.ordinal = function() 
{
    var d = this.getDay();
    switch(d) 
    {
        case 1:case 21: case 31: 
            return 'st'; 
        case 2: case 22: 
            return 'nd'; 
        case 3: case 23: 
            return 'rd'; 
        default: 
            return 'th';
    }
}
Date.prototype.getDOY = function() 
{
    var onejan = new Date(this.getFullYear(),0,1);
    return Math.ceil((this - onejan) / 86400000);
} 
function daysInMonth(month,year) 
{
    var dd = new Date(year, month, 0);
    return dd.getDate();
} 
Date.prototype.format = function(f) 
{
    var fmt = f.split(''); 
    var res = ''; 
    for (var i = 0, l = fmt.length; i < l; i++) 
        {
            switch(fmt[i]) 
                {
                    case 'd': 
                        var d = this.getDate();  
                        res += ((d<10)?'0':'')+d;  
                        break; 
                    case 'D': 
                        res += this.getDayShort(); 
                        break; 
                    case 'j': 
                        res += this.getDate(); 
                        break; 
                    case 'l': 
                        res += this.getDayName(); 
                        break; 
                    case 'S': 
                        res += this.ordinal(); 
                        break; 
                    case 'w': 
                        res += this.getDay(); 
                        break; 
                    case 'z': 
                        res += this.getDOY(); 
                        break; 
                    case 'F': 
                        res += this.getMonthName(); 
                        break; 
                    case 'm': 
                        var m = this.getMonth()+1;  
                        res += ((m<10)?'0':'')+m;  
                        break; 
                    case 'M': 
                        res += this.getMonthShort(); 
                        break; 
                    case 'n': 
                        res += (this.getMonth()+1); 
                        break; 
                    case 't': 
                        res += daysInMonth(this.getMonth()+1, this.getFullYear()); 
                        break; 
                    case 'L': 
                        res += (daysInMonth(2, this.getFullYear()) == 29)? 1:0; 
                        break; 
                    case 'Y': 
                        res += this.getFullYear(); 
                        break; 
                    case 'y': 
                        var y = this.getFullYear().toString().substr(3); 
                        res += ((y<10)?'0':'')+y; 
                        break; 
                    case 'a': 
                        res += (this.getHours()>11)?'pm':'am'; 
                        break; 
                    case 'A': 
                        res += (this.getHours()>11)?'PM':'AM'; 
                        break; 
                    case 'g': 
                        var h = this.getHours()%12; 
                        res += (h==0)?12:h; 
                        break; 
                    case 'G': 
                        res += this.getHours; 
                        break; 
                    case 'h': 
                        var h = this.getHours()%12; 
                        res += (h==0)?12:(h>9)?h:'0'+h; 
                        break; 
                    case 'H': 
                        var h = this.getHours; res += (h>9)?h:'0'+h; 
                        break; 
                    case 'i': 
                        var m = this.getMinutes(); 
                        res += (m>9)?m:'0'+m; 
                        break; 
                    case 's': 
                        var s = this.getSeconds(); 
                        res += (s>9)?s:'0'+s; 
                        break; 
                    case 'O': 
                        var m = this.getTimezoneOffset(); 
                        var s = (m<0)?'+':'-'; 
                        m = Math.abs(m); 
                        var h = (m/60).toFixed(0); 
                        m = m%60; 
                        res += s + ((h>9)?h:'0'+h) + ((m>9)?m:'0'+m); 
                        break; 
                    case 'P': 
                        var m = this.getTimezoneOffset(); 
                        var s = (m<0)?'+':'-'; 
                        m = Math.abs(m); 
                        var h = (m/60).toFixed(0); 
                        m = m%60; res += s + ((h>9)?h:'0'+h) + ':' + ((m>9)?m:'0'+m); 
                        break; 
                    case 'U': 
                        res += (this.getTime()/1000).toFixed(0); 
                        break; 
                    default: 
                        res += fmt[i];
                }
            }
    return res;
}