months = new Array();
months[1] ="Mth01.jpg";
months[2] ="Mth02.jpg";
months[3] ="Mth03.jpg";
months[4] ="Mth04.jpg";
months[5] ="Mth05.jpg";
months[6] ="Mth06.jpg";
months[7] ="Mth07.jpg";
months[8] ="Mth08.jpg";
months[9] ="Mth09.jpg";
months[10] ="Mth10.jpg";
months[11] ="Mth11.jpg";
months[12] ="Mth12.jpg";

var aryDayName = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
var aryShrtMonth = new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');

var newDate = new Date();
var intWeekday = newDate.getDay();
var intMonth = newDate.getMonth();
var intDay = newDate.getDate();
var intYear = newDate.getFullYear();

var strDayNum = intWeekday;
var strDayNumber = intDay;
var strDayName = new String(aryDayName[intWeekday]);
var strShrtMonthName = new String(aryShrtMonth[intMonth]);
var strYear = intYear;
var strDate = strDayNumber + '-' + strShrtMonthName + '-' + strYear +' (' + strDayName + ')';
    switch (intMonth)
    {
        case 0: {
                  if (intDay > 5) { months[1] ="Mth01a.jpg"; }
                }
        case 1: {
                  if (intDay > 14) { months[2] ="Mth02a.jpg"; }
                }
        case 3: {
                  if (intDay == 15) { months[4] ="Mth04a.jpg"; }
                }
    }
document.write('<img src="' + months[intMonth+1] + '" />');
document.write('<br />');
document.write(strDate);