function RadioOnclick(values)
{
	var triptype=document.FlightSearch.triptype;
	triptype.value=values;
}

function ShowTable()
{	
	var TableID=document.getElementById("f1")
	var TableID1=document.getElementById("f2")
	var TableID2=document.getElementById("f3")
	var TableID3=document.getElementById("rf")	
	var spanCity=document.getElementById("rec")	
	var spanDate=document.getElementById("red")	
	var triptype=document.FlightSearch.triptype;
	var triptype1=document.FlightSearch.triptype1
	for(var i=0;i<triptype1.length;i++)
	{
		if(triptype1[i].checked)
		{
			var value=triptype1[i].value;
			break;
		}	
	}
	value=triptype.value;
	if(value=='1')
	{
		TableID.style.display="none";
		TableID1.style.display="none";
		TableID2.style.display="none";
		TableID3.style.display="none";
		spanCity.innerHTML="Destination"
		spanDate.innerHTML="Destination"
	}
	else if(value=='2')
	{
		TableID.style.display="none";
		TableID1.style.display="none";
		TableID2.style.display="none";
		TableID3.style.display="block";
		spanCity.innerHTML="Return"
		spanDate.innerHTML="Return"
	}
	else if(value=='3')
	{
		TableID.style.display="block";
		TableID1.style.display="block";
		TableID2.style.display="block";
		TableID3.style.display="block";
		spanCity.innerHTML="Destination"
		spanDate.innerHTML="Destination"
	}
}
function checkAll()
{
  	if(document.FlightSearch.T1.value.length == 0 || document.FlightSearch.T1.value=="")
	{
		window.alert("Choose your departure place!");
		document.FlightSearch.T1.select();
		return false;
	}
	else if(document.FlightSearch.T2.value.length == 0 || document.FlightSearch.T2.value=="")
	{
		window.alert("Choose your destination place!");
		document.FlightSearch.T2.select();
		return false;
	}
	else if(document.FlightSearch.T1.value == document.FlightSearch.T2.value)
	{
		window.alert("Destination place is the same as departure place, choose again!");
		document.FlightSearch.T1.select();
		return false;
	}
	else if(document.FlightSearch.D1.value.length == 0 ||document.FlightSearch.D1.value == "")
	{
		window.alert("Please input departure date");
		document.FlightSearch.D1.select();
		return false;
	}
	
	if (document.FlightSearch.triptype.value == '2')
	{
		if(document.FlightSearch.D2.value.length == 0 ||document.FlightSearch.D2.value == "")
		{
			window.alert("Please input return date");
			//document.FlightSearch.D2.focus();
			return false;
		}
	}
	if (document.FlightSearch.triptype.value == '3')
	{
		if (document.FlightSearch.T3.value.length == 0 )
		{
			window.alert("Since you have chosen to book an Multiple Destinations ticket, you have to choose at least destination city!");
			document.FlightSearch.T3.focus();
			return false;
		}
		if (document.FlightSearch.T4.value.length == 0 )
		{
			window.alert("Since you have chosen to book an Multiple Destinations ticket, you have to choose at least destination city!");
			document.FlightSearch.T4.focus();
			return false;
		}
		if (document.FlightSearch.T5.value.length == 0 )
		{
			window.alert("Since you have chosen to book an Multiple Destinations ticket, you have to choose at least destination city!");
			document.FlightSearch.T5.focus();
			return false;
		}
		if (document.FlightSearch.T6.value.length == 0 )
		{
			window.alert("Since you have chosen to book an Multiple Destinations ticket, you have to choose at least destination city!");
			document.FlightSearch.T6.focus();
			return false;
		}
		if (document.FlightSearch.T1.value == document.FlightSearch.T3.value)
		{
			window.alert("Your departure city of Flight 1 is the same as your departure city of Flight 2. Please Choose again!");
			document.FlightSearch.T3.focus();
			return false;
		}
		if (document.FlightSearch.T2.value.length == 0 || document.FlightSearch.T2.value=="")
		{
			window.alert("Your destination city is the same as your destination city . Please choose again!");
			document.FlightSearch.T3.focus();
			return false;
		}
		if(document.FlightSearch.D2.value.length == 0 ||document.FlightSearch.D2.value == "")
		{
			window.alert("Please input departure date of Flight 2");
			//document.FlightSearch.D2.focus();
			return false;
		}
		if(document.FlightSearch.D3.value.length == 0 ||document.FlightSearch.D3.value == "")
		{
			window.alert("Please input departure date of Flight 3");
			document.FlightSearch.D3.focus();
			return false;
		}
	}
	return true;
}