function chkflight()
{
	var now = new Date();
	var monthday    = now.getDate();
	if (document.frmenquiry.roundtrip[0].checked==true)
	{
		var today=new Date();
		var todate=today.getDate();
		var tomonth=today.getMonth();
		
		var toyear=today.getYear();
		if(tomonth==11)
		{
			tomonth="12";
			toyear=toyear+1;
		}
		else if(tomonth=="12")
		{
			tomonth="01";
			toyear=toyear+1;
		}
		else
		{
			tomonth=tomonth+1;
		}
		
		var todayval=tomonth+"/"+todate+"/"+toyear;
		document.frmenquiry.returningdate.value=todayval;
		return false;
	}
	else
	{
		document.frmenquiry.returningdate.value="--/--/----";
		document.frmenquiry.roundtrip[0].checked=false;
		document.frmenquiry.roundtrip[1].checked=true;
		return false;
	}
}
function validationAdd()
	{
			var dtCh= "/";
			var minYear=1900;
			var maxYear=2100;
			var dt=document.frmenquiry.depraturedate;

		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = frmenquiry.email.value.match(emailPat);
		if (document.frmenquiry.fname.value == "")
		{
			alert ('Please Enter your First Name.');
			document.frmenquiry.fname.focus();
			return false;
		}
		if (document.frmenquiry.lname.value == "")
		{
			alert ('Please Enter Your Last Name.');
			document.frmenquiry.lname.focus();
			return false;
		}
		
		if (matchArray == null)
		{
			alert ("Please enter your valid email address.");
			document.frmenquiry.email.focus();
			return false;
		}
		if (document.frmenquiry.phone.value == "")
		{
			alert("Please enter your phone number.");
			document.frmenquiry.phone.focus();
			return false;
		}
		if (document.frmenquiry.deprature.value == "")
		{
			alert("Please enter your Departure Airport");
			document.frmenquiry.deprature.focus();
			return false;
		}
		if (document.frmenquiry.arrival.value == "")
		{
			alert("Please enter your Arrival Airport");
			document.frmenquiry.arrival.focus();
			return false;
		}
		if (document.frmenquiry.passengers.value == "")
		{
			alert("Please enter number of passengers");
			document.frmenquiry.passengers.focus();
			return false;
		}
		
		if (document.frmenquiry.deprature.value == "Deprature Airport")
		{
			alert("Select Deprature Airport");
			document.frmenquiry.deprature.focus();
			return false;
		}
		if (document.frmenquiry.arrival.value == "Arrival Airport")
		{
			alert("Select Arrival Airport");
			document.frmenquiry.arrival.focus();
			return false;
		}
		if (document.frmenquiry.feedback.value == "")
		{
			alert("Please mention your request");
			document.frmenquiry.feedback.focus();
			return false;
		}		

	function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}
	if (document.frmenquiry.depraturedate.value=="")
	{
		alert("Please Enter Your date of birth");
		document.frmenquiry.depraturedate.focus();
		return false;
	}
	if (document.frmenquiry.depraturedate.value!="")
		{
			if (isDate(dt.value)==false)
			{
			dt.focus()
			return false;
			}
		}
		
		return true;
	}
	function validationRemove()
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = frmRemove.email.value.match(emailPat);
		if (matchArray == null)
		{
			alert ('<%=var_msg_EnterValidEmail%>');
			document.frmRemove.email.focus();
			return false;
		}
	
	}