function dateRangeValidation(){
	return dateValidation(0, 's', 'e')
}

function dateValidation(formIndex, sind, eind){
	var flagvalid = false
	syear = document.forms[formIndex].elements[sind+"Year"].value
	smonth = document.forms[formIndex].elements[sind+"Month"].options[document.forms[formIndex].elements[sind+"Month"].selectedIndex].value
	sday = document.forms[formIndex].elements[sind+"Day"].options[document.forms[formIndex].elements[sind+"Day"].selectedIndex].value
	shour = document.forms[formIndex].elements[sind+"Hour"].options[document.forms[formIndex].elements[sind+"Hour"].selectedIndex].value
	sminute = document.forms[formIndex].elements[sind+"Minute"].options[document.forms[formIndex].elements[sind+"Minute"].selectedIndex].value
	var sDate = null;
	if(document.forms[formIndex].elements[sind+"Second"] != null) {
		ssecond= document.forms[formIndex].elements[sind+"Second"].options[document.forms[formIndex].elements[sind+"Second"].selectedIndex].value
		sDate = new Date(syear,(smonth-1),sday,shour, sminute,ssecond);
	}else {	
		sDate = new Date(syear,(smonth-1),sday,shour, sminute);
	}
	
	eyear=document.forms[formIndex].elements[eind+"Year"].value
	emonth=document.forms[formIndex].elements[eind+"Month"].options[document.forms[formIndex].elements[eind+"Month"].selectedIndex].value
	eday=document.forms[formIndex].elements[eind+"Day"].options[document.forms[formIndex].elements[eind+"Day"].selectedIndex].value
	ehour=document.forms[formIndex].elements[eind+"Hour"].options[document.forms[formIndex].elements[eind+"Hour"].selectedIndex].value
	eminute=document.forms[formIndex].elements[eind+"Minute"].options[document.forms[formIndex].elements[eind+"Minute"].selectedIndex].value
	var eDate = null;
	if(document.forms[formIndex].elements[eind+"Second"] != null) {
		esecond=document.forms[formIndex].elements[eind+"Second"].options[document.forms[formIndex].elements[eind+"Second"].selectedIndex].value
		eDate = new Date(eyear,	(emonth-1),eday, ehour, eminute,esecond);	
	}else {
		eDate = new Date(eyear,	(emonth-1),eday, ehour, eminute);
	}

	flagvalid = checkYear(syear)
	if(!flagvalid){
		alert("Please input start year in the format \"YYYY\" and must be a number")
		return flagvalid
	}
	
	if(flagvalid){	
		flagvalid = checkYear(eyear)
		if(!flagvalid){
			alert("Please input end year in the format \"YYYY\" and must be a number")
			return flagvalid
		}
	}		

	if(flagvalid){
		if( (checkDate(syear, smonth, sday, 'Start')) && (checkDate(eyear,emonth, eday, 'End')) ){
			flagvalid = true
		}else {
			flagvalid = false
			return flagvalid
		}	
		
	}
	var checkDaysDiffrence; 
	if (typeof document.forms[formIndex].elements["checkDaysDiffrence"] != 'undefined'){
		checkDaysDiffrence= document.forms[formIndex].elements["checkDaysDiffrence"].value;
	}
		
	var diffDays = parseInt((eDate - sDate) / (1000 * 60 * 60 * 24), 10);
	if(flagvalid){
		var difference = eDate - sDate
		if(parseFloat(difference) > 0)
			flagvalid = true
		else {  
			if(difference == 0){
				alert("Both Start date and End date are equal. \nPlease correct")
				alert(difference)
			}else {
				alert("End date is before Start date  \nPlease correct")
			}	
			flagvalid = false
		}
		
	  if(checkDaysDiffrence){
		if(diffDays >= checkDaysDiffrence){
			flagvalid = false
			alert("Days diffrence more then "+checkDaysDiffrence+" days");
		}
	  }
	}
	return flagvalid
}

function checkYear(year){
	var yearFlag = true;
	if(year.length!=4){
		yearFlag = false;
	}else{
		for(var i=0; i<year.length; i++) {
			if(year.charAt(i) < '0' || year.charAt(i) > '9'){
				yearFlag = false;
			}
		}	
	}
	return yearFlag;
}

function checkDate(syear, smonth, sday, period){
var period_text;
if(period == 'Start') {
	period_text = 'Start'
} else if (period == 'DSSR') {
	period_text = 'DSSR'
} else if (period == 'TPDR') {
	period_text = 'TPDR'
} else if (period == 'Mailbox fee start') {
	period_text = 'Mailbox fee start'
}else {
	period_text  ='End'	
} 

leapYear = (((syear % 4 == 0) && (syear % 100 != 0)) || (syear % 400 == 0)) ? true : false;
	flag = true
          if((smonth >12)||(smonth < 1))
          {
               alert(period_text + " month out of range.");
               flag = false
	       return flag;

          }
          if((( sday > (no = !leapYear ? 28 : 29))||(sday <1)) && (smonth == 2))
          {
               alert(period_text +" day out of range");
               flag = false
	       return flag;

          }
          if(((smonth==1)||(smonth==3)||(smonth==5)||(smonth==7)||(smonth==8)||(smonth==10)||(smonth==12))&&((sday>31)||(sday<1)))
          {
               alert(period_text +" day out of range");
               flag = false
	       return flag;

          }
          if(((smonth==4)||(smonth==6)||(smonth==9)||(smonth==11))&&((sday>30)||(sday<1)))
          {
               alert(period_text +" day out of range");
               flag = false
	       return flag;

          }
return flag
}


function checkElement(){
	for(i = 0; i <document.form.elements.length; i++){
		alert(document.form.elements[i].name);
        	//if(document.form.elements[i].name == "UseForm"){
        	//}
        }	
}


//Added by Krupa
function checkOnlyOneDate(syear, smonth, sday){


leapYear = (((syear % 4 == 0) && (syear % 100 != 0)) || (syear % 400 == 0)) ? true : false;
	flag = true
          if((smonth >12)||(smonth < 1))
          {
               alert(" Month out of range.");
               flag = false
	       return flag;

          }
          if((( sday > (no = !leapYear ? 28 : 29))||(sday <1)) && (smonth == 2))
          {
               alert( "Day out of range");
               flag = false
	       return flag;

          }
          if(((smonth==1)||(smonth==3)||(smonth==5)||(smonth==7)||(smonth==8)||(smonth==10)||(smonth==12))&&((sday>31)||(sday<1)))
          {
               alert(" Day out of range");
               flag = false
	       return flag;

          }
          if(((smonth==4)||(smonth==6)||(smonth==9)||(smonth==11))&&((sday>30)||(sday<1)))
          {
               alert(" Day out of range");
               flag = false
	       return flag;

          }
return flag
}
//end