var prevObj = null;

function buildCal(month, year, tableClass, monthYearClass, weekClass, dayClass, borderThickness)
{
  var mn=['January','February','March','April','May','June','July','August','September','October','November','December'];
  var dim=[31,0,31,30,31,30,31,31,30,31,30,31];
  var oD = new Date(year, month-1, 1);
  oD.od=oD.getDay()+1;
  var todaydate=new Date()
  var scanfortoday=(year==todaydate.getFullYear() && month==todaydate.getMonth()+1)? todaydate.getDate() : 0
  dim[1]=(((oD.getFullYear()%100!=0)&&(oD.getFullYear()%4==0))||(oD.getFullYear()%400==0))?29:28;
  var t='<div class="'+tableClass+'"><table class="'+tableClass+'" cols="7" cellpadding="2" border="'+borderThickness+'" cellspacing="0"><tr align="center">';
	
	var prevMonth;
	var nextMonth;
	var prevYear;
	var nextYear;
	
	if (month==1)
	{
		prevMonth = 12;
		nextMonth = month+1;
		prevYear = year-1;
		nextYear = year;
	}
	else if (month==12)
	{
		prevMonth = month-1;
		nextMonth = 1;
		prevYear = year;
		nextYear = year+1;
	}
	else
	{
		prevMonth = month-1;
		nextMonth = month+1;
		prevYear = year;
		nextYear = year;
	}
	
	var prev;
	if ((month==todaydate.getMonth()+1)&&year==todaydate.getFullYear())
		prev='';
	else
		prev='<a href="javascript:buildCalDiv('+(prevMonth)+', '+prevYear+', \''+tableClass+'\', \''+monthYearClass+'\', \''+weekClass+'\', \''+dayClass+'\', '+borderThickness+', \'calendar\');"><img src="/resources/images/pmc/cal-arrow-left.gif" alt="Previous" border="0" style="position: relative; top: 2px;" /></a>&nbsp;';
	
  t+='<td colspan="7" align="center" class="'+monthYearClass+'">'+prev+mn[month-1].toUpperCase()+'&nbsp;'+year+'&nbsp;<a href="javascript:buildCalDiv('+(nextMonth)+', '+nextYear+', \''+tableClass+'\', \''+monthYearClass+'\', \''+weekClass+'\', \''+dayClass+'\', '+borderThickness+', \'calendar\');"><img src="/resources/images/pmc/cal-arrow-right.gif" alt="Next" border="0" style="position: relative; top: 2px;" /></a></td></tr><tr align="center">';
  for(s=0;s<7;s++)t+='<td class="'+weekClass+'">'+"SunMonTueWedThuFriSat".substr(s*3,3)+'</td>';
  t+='</tr><tr align="center">';
  for(i=1;i<=42;i++)
  {
    var x=((i-oD.od>=0)&&(i-oD.od<dim[month-1]))? i-oD.od+1 : '&nbsp;';
		
		if (x<scanfortoday)
			t+='<td class="'+dayClass+'">'+x+'</td>';
		//else if (x==scanfortoday)
		//	t+='<td class="'+dayClass+'"><span id="today">'+x+'</span></td>';
		else
		{
			if (x=='&nbsp;')
				t+='<td class="'+dayClass+'">'+x+'</td>';
			else
				t+='<td class="'+dayClass+'"><a href="set-date.html" onclick="setStartDate(\''+month+'\', \''+x+'\', \''+year+'\', \'{actionForm.startDate}\', this); return false">'+x+'</a></td>';
		}
		
    if(((i)%7==0)&&(i<36))t+='</tr><tr align="center">';
  }
  return t+='</tr></table></div>';
}

function buildCalDiv(month, year, tableClass, monthYearClass, weekClass, dayClass, borderThickness, div)
{
	var calObj = document.getElementById(div);
	calObj.innerHTML = buildCal(month, year, tableClass, monthYearClass, weekClass, dayClass, borderThickness);
}

function setStartDate(day, month, year, inputId, obj)
{
	if (prevObj!=null)
	{
		prevObj.style.border = '0';
		prevObj.style.textDecoration = 'underline';
	}
	
	prevObj = obj;
	
	var newDay;
	var newMonth;
	
	if (day<10)
		newDay='0'+day;
	else
		newDay=day;
		
	if (month<10)
		newMonth='0'+month;
	else
		newMonth=month;
		
	var dateString = newDay+'/'+newMonth+'/'+year;
	
	var inputObj = document.getElementById(inputId);
	inputObj.value = dateString;
	
	obj.style.border = '1px';
	obj.style.borderStyle = 'solid';
	obj.style.borderColor = 'red';
	obj.style.textDecoration = 'none';
}