function convert_date(field1)
{
	var fLength = field1.value.length;
	var divider_values = new Array ('-','.','/',' ',':','_',',');
	var array_elements = 7;
	var day1 = new String(null);
	var month1 = new String(null);
	var year1 = new String(null);
	var divider1 = null;
	var outdate1 = null;
	var counter1 = 0;
	var divider_holder = new Array ('0','0','0');
	var s = String(field1.value);

	
	if ( fLength == 0 ) 
	{
		return true;
	}

	
	if ( field1.value.toUpperCase() == 'NOW' || field1.value.toUpperCase() == 'TODAY' ) 
	{
        var newDate1 = new Date();
        if (navigator.appName == "Netscape") 
        {
			var myYear1 = newDate1.getYear() + 1900;
        }
        else 
        {
			var myYear1 =newDate1.getYear();
        }
        var myMonth1 = newDate1.getMonth()+1;  
        var myDay1 = newDate1.getDate();
        field1.value = myDay1 + "/" + myMonth1 + "/" + myYear1;
        fLength = field1.value.length;
        s = String(field1.value);
	}

	
	if ( fLength != 0 && (fLength < 6 || fLength > 11) ) 
	{
		invalid_date(field1);
        return false;   
    }

	
	for ( var i=0; i<3; i++ ) 
	{
		for ( var x=0; x<array_elements; x++ ) 
		{
			if ( s.indexOf(divider_values[x], counter1) != -1 ) 
			{
				divider1 = divider_values[x];
                divider_holder[i] = s.indexOf(divider_values[x], counter1);
    
                counter1 = divider_holder[i] + 1;
    
                break;
            }
        }
	}

	
	if ( divider_holder[2] != 0 ) 
	{
	invalid_date(field1);
    return false;   
	}

	
	if ( divider_holder[0] == 0 && divider_holder[1] == 0 ) 
	{   
	
        if ( fLength == 6 ) 
        {
			day1 = field1.value.substring(0,2);
            month1 = field1.value.substring(2,4);
            year1 = field1.value.substring(4,6);
            if ( (year1 = validate_year(year1)) == false ) 
            {
				invalid_date(field1);
                return false; 
            }
   }
                        
                else if ( fLength == 7 ) {
                day1 = field1.value.substring(0,2);
                        month1 = field1.value.substring(2,5);
                        year1 = field1.value.substring(5,7);
                        if ( (month1 = convert_month(month1)) == false ) {
                        invalid_date(field1);
                                return false; 
                                }
                        if ( (year1 = validate_year(year1)) == false ) {
                        invalid_date(field1);
                                return false; 
                                }
                        }
                else if ( fLength == 8 ) {
                day1 = field1.value.substring(0,2);
                        month1 = field1.value.substring(2,4);
                        year1 = field1.value.substring(4,8);
                        }
                else if ( fLength == 9 ) {
                day1 = field1.value.substring(0,2);
                        month1 = field1.value.substring(2,5);
                        year1 = field1.value.substring(5,9);
                        if ( (month1 = convert_month(month1)) == false ) {
                        invalid_date(field1);
                                return false; 
                                }
                        }
                
                if ( (outdate1 = validate_date(day1,month1,year1)) == false ) {
                alert("The value " + field1.value + " is not a vaild date.\n\r" +  
                        "Please enter a valid date in the format dd/mm/yyyy");
                        field1.focus();
                        field1.select();
                        return false;
                        }

                field1.value = outdate1;
                return true;
                }
                

if ( divider_holder[0] != 0 && divider_holder[1] != 0 ) {       
        day1 = field1.value.substring(0, divider_holder[0]);
        month1 = field1.value.substring(divider_holder[0] + 1, divider_holder[1]);

        year1 = field1.value.substring(divider_holder[1] + 1, field1.value.length);
        }

if ( isNaN(day1) && isNaN(year1) ) {
        invalid_date(field1);
        return false;  
   }

if ( day1.length == 1 ) { 
   day1 = '0' + day1;  
}

if ( month1.length == 1 ) {
        month1 = '0' + month1;   
}

if ( year1.length == 2 ) {
   if ( (year1 = validate_year(year1)) == false ) {
        invalid_date(field1);
                return false;  
                }
}

if ( month1.length == 3 || month1.length == 4 ) {
   if ( (month1 = convert_month(month1)) == false) {
        alert("month1" + month1);
        invalid_date(field1);
        return false;  
   }
}


if ( (day1.length == 2 || month1.length == 2 || year1.length == 4) == false) {
   invalid_date(field1);
   return false;
}


if ( (outdate1 = validate_date(day1, month1, year1)) == false ) {
   alert("The value " + field1.value + " is not a vaild date.\n\r" +  
        "Please enter a valid date in the format dd/mm/yyyy");
        field1.focus();
        field1.select();
        return false;
}

field1.value = outdate1;
return true;

}

function convert_month(monthIn) {

var month_values = new Array ("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");

monthIn = monthIn.toUpperCase(); 

if ( monthIn.length == 3 ) {
        for ( var i=0; i<12; i++ ) 
                {
        if ( monthIn == month_values[i] ) 
                {
                        monthIn = i + 1;
                        if ( i != 10 && i != 11 && i != 12 ) 
                                {
                        monthIn = '0' + monthIn;
                                }
                        return monthIn;
                        }
                }
        }

else if ( monthIn.length == 4 && monthIn == 'SEPT') {
   monthIn = '09';
   return monthIn;
        }
        
else {
        return false;
        } 
}

function invalid_date(inField) 
{
alert("The value " + inField.value + " is not in a vaild date format.\n\r" + 
        "Please enter date in the format dd/mm/yyyy");
inField.focus();
inField.select();
return true   
}

function validate_date(day2, month2, year2)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
{                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
var DayArray = new Array(31,28,31,30,31,30,31,31,30,31,30,31);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
var MonthArray = new Array("01","02","03","04","05","06","07","08","09","10","11","12");                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
var inpDate = day2 + month2 + year2;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
var filter=/^[0-9]{2}[0-9]{2}[0-9]{4}$/;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          


if (! filter.test(inpDate))                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
{                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
 return false;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
}                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

filter=/01|02|03|04|05|06|07|08|09|10|11|12/ ;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
if (! filter.test(month2))                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
{                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
 return false;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
}                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

var N = Number(year2);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
if ( ( N%4==0 && N%100 !=0 ) || ( N%400==0 ) )                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
{                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
   DayArray[1]=29;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
}                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

for(var ctr=0; ctr<=11; ctr++)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
        {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
   if (MonthArray[ctr]==month2)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
        {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
      if (day2<= DayArray[ctr] && day2 >0 )                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
        {
        inpDate = day2 + '/' + month2 + '/' + year2;       
        return inpDate;
        }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
      else                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
        {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
        return false;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
        }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
        }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
   }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
}

function validate_year(inYear) 
{
if ( inYear < 10 ) 
        {
   inYear = "20" + inYear;
   return inYear;
        }
else if ( inYear >= 10 )
        {
   inYear = "19" + inYear;
   return inYear;
        }
else 
        {
        return false;
        }   
}
//Added by Sameer on 03/09/2002
function dateAdd(strDate,iIncrement)
{
	iDate = strDate.substring(0,strDate.indexOf("/"));
	iMonth = strDate.substring(strDate.indexOf("/") + 1,strDate.lastIndexOf("/"));
	iYear = strDate.substring(strDate.lastIndexOf("/") + 1);
	iDate1 = parseInt(iDate) + parseInt(iIncrement);
	d = new Date(iMonth + "/" + iDate1 + "/" + iYear);
	iDate1 = d.getDate();
	if(iDate1 < iDate)
	{
		iMonth++;
		if(iMonth > 12)
		{
			iMonth = 1;
			iYear++;	
		}	
	}
	newDate = iDate1 + "/" + iMonth + "/" + iYear;
	return newDate;
}