function ChangeRadio(whichRadio)
{
	if (whichRadio ==1)
	{
		document.getElementById(radioBtn2ID).checked = true ;
		document.getElementById("errDifDate").innerHTML = "";
	}
	else
	{
		document.getElementById(radioBtn1ID).checked = true ;
	}
}	
function DoDateRangeValidation()
{		
	if (document.getElementById(radioBtn1ID).checked)
	{
		var retVal2 = CheckEmpty();
		if (!retVal2)
		{
			return false;
		}
		else
		{
			var retVal = CheckDate();
			if (!retVal)
			{
				return false;
			}
		}
	}
}
function CheckEmpty()
{
	if (document.getElementById(dc1ID).value == "" || document.getElementById(dc2ID).value == "")
	{
		document.getElementById("errDifDate").innerHTML = "Start date and end date should not be empty."
		return false;
	}
	else return true;
}
function CheckDate()
{
	var my_taarich =document.getElementById(dc1ID).value;
	var taarich_end = document.getElementById(dc2ID).value;
	var ret_code =true
	var my_taarich1 =my_taarich.split("/");
	var taarich_end1 =taarich_end.split("/");;
	
	
	var Year_my_taarich =my_taarich1[2] * 1;
	var Year_taarich_end =taarich_end1[2] * 1;
	var Month_my_taarich = my_taarich1[0] * 1;
	var Month_taarich_end = taarich_end1[0] * 1;
	var Day_my_taarich =my_taarich1[1] * 1;
	var Day_taarich_end =taarich_end1[1] * 1;
	
	/*if (Month_my_taarich != (str_month * 1) ) 
	{
		var str_temp = Day_my_taarich;
		Day_my_taarich = Month_my_taarich;
		Month_my_taarich = str_temp;
	}*/
	if (Year_my_taarich == 2  || Year_my_taarich == 02 ) 
	{
		Year_my_taarich = 2000 + Year_my_taarich
	}
	if (Year_taarich_end == 2 || Year_taarich_end == 02) 
	{
		Year_taarich_end =2000 + Year_taarich_end
	}
	var yearChk =Year_my_taarich > Year_taarich_end	;
	if (yearChk){
		ret_code =false;
	}
	
	var MonthChk =Month_my_taarich > Month_taarich_end	 && Year_my_taarich == Year_taarich_end;
	if (MonthChk){
		ret_code =false;
	}
		
	var dayChk =(Day_my_taarich > Day_taarich_end )  && (Month_my_taarich == Month_taarich_end) && Year_my_taarich == Year_taarich_end;
	if (dayChk){
		ret_code =false;
	}
	if (ret_code == false)
	{
		
		document.getElementById("errDifDate").innerHTML = "The end date should be after the start date."
		return false;
	}
	else
	{
		document.getElementById("errDifDate").innerHTML = "" ;
		return true;
	}	
}