//Browser detection code
var IE4 = (document.all && !document.getElementById) ? true : false;
var NS4 = (document.layers) ? true : false;
var IE5 = (document.all && document.getElementById) ? true : false;
var N6 = (document.getElementById && !document.all) ? true : false;
var opera = window.opera != undefined;

var aMonthNames = new Array(
	'JANUARY', 'FEBRUARY', 'MARCH', 
	'APRIL', 'MAY', 'JUNE', 
	'JULY',	'AUGUST', 'SEPTEMBER', 
	'OCTOBER', 'NOVEMBER', 'DECEMBER'
	);
var aMonthDisplay = new Array(
	'01', '02', '03', 
	'04', '05', '06', 
	'07',	'08', '09', 
	'10', '11', '12'
	);	
var aMonthDays = new Array(  
	/* Jan */ 31,     /* Feb */ 28, /* Mar */ 31,     /* Apr */ 30, 
	/* May */ 31,     /* Jun */ 30, /* Jul */ 31,     /* Aug */ 31, 
	/* Sep */ 30,     /* Oct */ 31, /* Nov */ 30,     /* Dec */ 31 
	);
var days = new Array(42);
		
/*Comment2 starts
  This Function populates the table with the dates for a particular month in a year.
  comment2 ends*/
		  
function daylayerdisplay(b,a,c)
{
	/*newwindow=window.open("");
	newwindow.status=b + "" + a + "" + c + "";*/
	/*Comment3 starts
	  b is Year in yyyy format
	  a is Months in numerical format viz 0=january,1=february etc
	  c is day in numeric format
	  Comment3 ends
	*/
	
	monthreduction=a;
	monthincrease=a;
	
	if (b%4 == 0 || b%100 ==0)
	{
		aMonthDays[1]=29;
	}
	else
	{
		aMonthDays[1]=28;
	}
	
	var oDateNow = new Date();
		
	var oDate = new Date(aMonthNames[a] +  1 + "," + b);
	
	dayofweek=oDate.getDay();

	//Input values in td's
	var count=0;
	var count1;
	var end=aMonthDays[a]+(dayofweek) - 1;
	
	for (s=1;s<=42;s++)
	{
		document.getElementById("day"+s).childNodes[0].innerHTML="&nbsp;";
	}
	
	if (dayofweek == 0)
	{
		dayofweek = 7
		end = end + 7
	}
	
	for (s=(dayofweek);s<=end;s++)
	{
		
		count=count+1;
		document.getElementById("day"+s).childNodes[0].innerHTML=count;
		if (count<=9)
		{
			count1=0+""+count;
		}
		else
		{
			count1=count;
		}
		document.getElementById("day"+s).childNodes[0].id=count1;
	}
	if (end<36)
	    {
	        document.getElementById("LastWeek").style.visibility = 'hidden';
	    }
	else
	    {
	        document.getElementById("LastWeek").style.visibility = 'visible';
	    }
}
				
/*Comment4 starts
This function sends the value back to the form object of the window
which called it*/
	
function sendvalue(y,m,d)
{
    if (d == '')
    {
        return;
    }
    
	if (y == 1)
	{
		todayobj= new Date();
		today=todayobj.getYear()+todayobj.getMonth()+todayobj.getDate();
		
		if (N6)
		{
			year=todayobj.getYear()+1900;
		}
		else
		{
			year=todayobj.getYear();
		}	
						
		if (todayobj.getDate() <= 9)
		{
			var todayday=0+""+todayobj.getDate();
		}
		else
		{
			var todayday=todayobj.getDate();
		}
		
		parent.document.formulario.recivediadesde.value= todayday;
		parent.document.formulario.recivemesdesde.value= aMonthDisplay[todayobj.getMonth()];
		parent.document.formulario.reciveaniodesde.value= year;
		
		//parent.document.all.receivedate.value=aMonthDisplay[todayobj.getMonth()]+ "-" + todayday + "-" + year;
		parent.document.getElementById('calendarframedesde').style.display='none'
	}
	else
	{
		parent.document.formulario.recivediadesde.value= d;
		parent.document.formulario.recivemesdesde.value= aMonthDisplay[m];
		parent.document.formulario.reciveaniodesde.value= y;
		
		//parent.document.all.receivedate.value= aMonthDisplay[m]+"-"+d+"-"+y;//y + m + d;
		parent.document.getElementById('calendarframedesde').style.display='none'
	}
 }
				 		 
/*Comment5 starts
This function reduces the month by one everytime prev.gif is clicked*/

function reducemonths()
{ 
	monthreduction= +monthreduction - 1;
	if (monthreduction==-1)
	{
		monthreduction=11;
		document.calendarform.year.value=
		parseFloat(document.calendarform.year.value)-1;
	} 
	
	document.calendarform.month[monthreduction].selected = "1";
	daylayerdisplay(document.calendarform.year.value,monthreduction,101);
}
	 
	 
/*Comment6 starts
This function Increases the month by one everytime next.gif is clicked*/
function increasemonths()
{ 
	monthincrease= +monthincrease + 1;
	if (monthincrease==12)
	{
		monthincrease=0;
		document.calendarform.year.value=
		parseFloat(document.calendarform.year.value)+1;
	 }
	 
	 document.calendarform.month[monthincrease].selected = "1";
	 daylayerdisplay(document.calendarform.year.value,monthincrease,101);
}