function exe_oneway(){
	document.getElementById("return").style.display = "none";
	
	F1dep = document.frm.F1Departure.selectedIndex;
	F1des = document.frm.F1Destination.selectedIndex;
	F1mon = document.frm.F1Month.selectedIndex;
	F1day = document.frm.F1Day.selectedIndex;
	
	document.frm.F2Month.selectedIndex = F1mon;
	document.frm.F2Day.selectedIndex = F1day;
	document.frm.F2Departure.selectedIndex = 0;
	document.frm.F2Destination.selectedIndex = 0;
	return;
}

function exe_round(){
	document.getElementById("return").style.display = "block";

	var F1dep;
	var F1des;
	var F1mon;
	var F1day;
	var F1time;
	
	F1dep = document.frm.F1Departure.selectedIndex;
	F1des = document.frm.F1Destination.selectedIndex;
	F1mon = document.frm.F1Month.selectedIndex;
	F1day = document.frm.F1Day.selectedIndex;

	document.frm.F2Departure.selectedIndex = F1des;
	document.frm.F2Destination.selectedIndex = F1dep;
	document.frm.F2Month.selectedIndex = F1mon;
	document.frm.F2Day.selectedIndex = F1day;
	
	return;
}


function init_box(oneway,round){
	if (oneway == "checked"){
		document.getElementById("return").style.display = "none";
	}else{
		document.getElementById("return").style.display = "block";
	}
}

function hideWaiting(){
	document.getElementById("waiting").style.display = "none";
}


function checkRadioOn(){
	var mess = "Please choose airline.";
	
	var obj1 = document.userForm.Flight1;
	
	if (!checkRadioItem(obj1)){
		alert(mess);
		return false;
	}
	
	var obj1 = document.userForm.Flight2;
	if (!checkRadioItem(obj2)){
		alert(mess);
		return false;
	}
	
}

function checkRadioItem(obj){
	var tmp = false;
	var result = false;
	
	if (obj){
		if (!obj.length){
			tmp = obj.checked;
				
			if (tmp){
				result = true;
			}
		}else{
			for (i=0;i<obj.length;i++){
				tmp = obj[i].checked;
				
				if (tmp){
					result = true;
				}
			}
		}
	}
	
	return result;
}