// Event Calendar
// copyright Stephen Chapman, 10th June 2006, 22nd January 

 

var tb = 't'; // top or bottom (t or b)
var headbg = '#cccccc';  // table heading background colour
var todaybg = '#61949e'; // current selected date background colour
var textclr = '#000000'; // text colour
var linkclr = '#b01b05'; // link text colour
var noMessage =  'No event message to display for today'; // message to display when no entry in array

var dA = new Array(); var x = 0;
// first 8 characters in ccyymmdd format for single date events
// first 8 characters in 0000mmdd format for every year events
dA[x++] = "00000101 New Year";
dA[x++] = "00000814 Independence day";
//dA[x++] = "00000709 Test Event";
dA[x++] = "00000906 Defence Day";
dA[x++] = "00001229 ICMV 2010, 1st Day";
dA[x++] = "00001230 ICMV 2010, 2nd Day";
dA[x++] = "00001231 ICMV 2010, 3rd Day";
dA[x++] = "00000104 ISO (27001), 1st Day";
dA[x++] = "00000105 ISO (27001), 2nd Day";
dA[x++] = "00000106 ISO (27001), 3rd Day";
dA[x++] = "00000706 Open House 2011";

//dA[x++] = "00000919 Event4";
//dA[x++] = "00001202 Event5";
// dA[x++] = "20060610 New Event Calendar Started today";

// permission is granted to use this javascript provided that the below code is not altered
var pageLoaded = 0; window.onload = function() {pageLoaded = 1;}

function loaded(i,f) {
    if (document.getElementById && document.getElementById(i) != null) 
        f();
    else if (!pageLoaded) setTimeout('loaded(\''+i+'\','+f+')',100);
}
function monthlength(month,year) {
    var dd = new Date(year, month, 0);
    return dd.getDate();
}

var moy = ['January','February','March','April','May','June','July','August','September','October','November','December'];
var monthShort = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Octr','Nov','Dec'];
var today = new Date();
var selDate = today.getFullYear()+getmmdd(today.getMonth()+1,today.getDate());

function dispCal(yy,mm) {
    if (mm < 0 || mm > 12) {
        alert('month must be between 1 and 12');
        return false;
    }
    if (yy != 0 && (yy < 1901 || yy > 2100)) {
        alert('year must be after 1900 and before 2101');
        return false;
    }
    var dow = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'];
    var calendar = new Date();
    var today = calendar.getDate();
    calendar.setDate(1);
    if (yy > 1900)
        calendar.setFullYear(yy);
    if (mm > 0)
        calendar.setMonth(mm - 1);
    var yy = year = calendar.getFullYear();
    var month = calendar.getMonth();
    calendar.setDate(today);
    var weekday = calendar.getDay();
    var daysInMonth = monthlength(month+1,year);
    var hilite_start = '<td style="background:' + todaybg + '" align="center">';
    var td_start = '<td align="center">';
    var cal = '<div id="cal"><div style=""><table style="" border="0" cellspacing="0" cellpadding="2" align="center"><tr><td colspan="7" style="background:' + headbg + '" align="center"><h2>' + moy[month]  + ' ' + year + '<\/b><\/td><\/tr><tr>';
    for(dex=0; dex < 7; dex++) {
        cal += td_start + dow[dex] + '</td>';
    } 
    cal += '<\/tr><tr>';
    var day2 = today;
    for (dex = today; dex > 6; dex -=7)
        day2 = dex; weekday -= day2 - 1;
    while (weekday < 0) 
        weekday += 7;
    for(dex=0; dex < weekday; dex++)
        cal += td_start + ' <\/td>';
    for(dex=1; dex <= daysInMonth; dex++) {
        if(weekday == 7) {
            cal += '</tr><tr>';
            weekday = 0;
        } 
        if(selDate==year+getmmdd(month+1,dex)) 
            cal += hilite_start +'<span '+clickDate(dex,month,year) + '>'+ dex + '<\/span><\/b><\/td>';
        else cal += td_start + '<span '+clickDate(dex,month,year) + '>' + dex + '<\/span><\/td>';
            weekday += 1;
    } 
    for(dex=weekday; dex < 7; dex++) 
            cal += td_start + ' <\/td>';
    cal += '<\/tr><\/table><\/div>';
    if (document.getElementById) {
        var mmb = month;  mm = month + 1;
        var yya = yyb = yy;
        if (mmb <1) {
            mmb += 12;
            yyb--;
        } 
        var mma = month + 2;
        if (mma > 12) {
            mma -= 12;
            yya++;
        } 
        var yb = yy -1;
        var ya = yy +1;
        cal += '<table border="0" cellspacing="0" cellpadding="2" align="center" ><tr><td><a href="#" onclick="if (cala = dispCal('+yb+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}"><<</a></td><td><a href="#" onclick="if (cala = dispCal('+yyb+','+mmb+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}"><</a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+yya+','+mma+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}">></a></td><td align="right"><a href="#" onclick="if (cala = dispCal('+ya+','+mm+')) {document.getElementById(\'cal\').innerHTML = cala; return false;}">>></a></td></tr></table>';
    } 
    else {
        cal += '<div> </div>';
    } 
    cal += '</div>';
    return cal;
}
function start() {
    var x = '<div id="calDate" style="padding:0 0 0 6px; width:96%"><\/div>';
    var y = '';
    if (tb == 't') 
        y = x + dispCal(0,0);
    else
        y = dispCal(0,0) + x;
    document.getElementById('calendar').innerHTML = y;
    ev();
}
loaded('calendar',start);

function clickDate(day, month, year) {
    var ct = nextDate(year + getmmdd(month+1,day));
    if (ct == '') ct = nextDate('0000' + getmmdd(month+1,day));
    if (ct == '') 
        return 'style="color:'+textclr+'"';
    else 
        return 'style="cursor:pointer;color:'+linkclr+'" onclick="selDate = '+year+getmmdd(month+1,day)+'; isDate(' + day + ',' + month + ',' + year + ');return false;"';
}

function isDate(dayVal,monthVal,yearVal) {
    var ct = nextDate(yearVal + getmmdd(monthVal+1,dayVal));
    if (ct == '') 
        ct = nextDate('0000' + getmmdd(monthVal+1,dayVal));
    if (ct == '') 
        ct = noMessage;
    //document.getElementById('calDate').innerHTML = selDate + ':<br \/>' +ct;
    document.getElementById('calDate').innerHTML =  monthShort[monthVal] + ' ' + dayVal + ', ' + yearVal + ':<br \/>' +ct;
    return false;
}

function nextDate(yymmdd) {
    var x = dA.length;
    for (var i = 0; i < x; i++) {
        if (dA[i].substr(0,8) == yymmdd)
            return dA[i].substr(8);
    }
    return '';
}
function getmmdd(mm,dd) {
    return (mm > 9 ? '' + mm : '0' + mm) + (dd > 9 ? dd : '0' + dd);
}

function ev() {
    var ct = nextDate(selDate);
    var ct = nextDate(selDate);
    if (ct == '') ct = nextDate('0000' + selDate.substr(4));
    if (ct == '') ct = noMessage; document.getElementById('calDate').innerHTML = ct;
}