/*显示国内城市 function ACN(obj,城市代码)*/
function ACN(obj){
 var ChkValue,sel,j = 0;
 if(arguments.length == 2)
	ChkValue = arguments[1];
 obj.length = 0;
 for(var i=0;i<NationPort.length;i++){
	obj.options[obj.length] = new Option(NationPort[i][2].substr(0,1)+" - "+NationPort[i][0],NationPort[i][1]+","+NationPort[i][0]);
	if(NationPort[i][1] == ChkValue)
		sel = j;
	j++;}
 obj.selectedIndex = sel;
}

/*显示国际城市 function ACI(obj,城市代码)*/
function ACI(obj){
 var ChkValue,sel,j = 0;
 if(arguments.length == 2)
	ChkValue = arguments[1];
 obj.length = 0;
 for(var i=0;i<InterPort.length;i++){
	obj.options[obj.length] = new Option(InterPort[i][2].substr(0,1)+" - "+InterPort[i][0],InterPort[i][1]+","+InterPort[i][0]);
	if(InterPort[i][1] == ChkValue)
		sel = j;
	j++;}
 obj.selectedIndex = sel;
}

/*显示国内的国际机场 function AII(obj,航空公司代码)*/
function AII(obj){
 var ChkValue,sel,j = 0;
 if(arguments.length == 2)
	ChkValue = arguments[1];
 obj.length = 0;
 obj.options[0] = new Option("上海浦东","PVG,上海浦东");
 obj.options[1] = new Option("北京","PEK,北京首都");
 obj.options[2] = new Option("广州","CAN,广州");
 obj.selectedIndex = 0;
}

/*显示国内航空公司 function AWN(obj,航空公司代码)*/
function AWN(obj){
 var ChkValue,sel,j = 0;
 if(arguments.length == 2)
	ChkValue = arguments[1];
 obj.length = 0;
 obj.options[0] = new Option("----全 部----","");
 for(var i=0;i<NationWays.length;i++){
	j++;
	obj.options[obj.length] = new Option(NationWays[i][1],NationWays[i][0]);
	if(NationWays[i][0] == ChkValue)
		sel = j;}
 obj.selectedIndex = sel;
}

/*显示国际航空公司 function AWI(obj,航空公司代码)*/
function AWI(obj){
 var ChkValue,sel,j = 0;
 if(arguments.length == 2)
	ChkValue = arguments[1];
 obj.length = 0;
 obj.options[0] = new Option("------全 部------","");
 for(var i=0;i<InterWays.length;i++){
	j++;
	obj.options[obj.length] = new Option(InterWays[i][0]+" - "+InterWays[i][1],InterWays[i][0]);
	if(InterWays[i][0] == ChkValue)
		sel = j;}
 obj.selectedIndex = sel;
}

/*根据指定值选取*/
function SV(obj,val){
 var sel;
 for(var i=0;i<obj.length;i++)
	if(obj.options[i].value == val)
		sel = i;
 obj.selectedIndex = sel;
}

/*显示时间 function ST(obj,开始时间,结束时间,选择时间)*/
function ST(obj){
 var ChkValue,sel,j;
 var StartHour,EndHour;
 if(arguments.length >= 2)
	StartHour = arguments[1];
 else
	StartHour = 1;
 if(arguments.length >= 3)
	EndHour = arguments[2];
 else
	EndHour = 23;
 if(arguments.length == 4)
	ChkValue = arguments[3];
 obj.options[0] = new Option("-全天-","");
 for(var i=StartHour;i<=EndHour;i++){
	if(i<10)
		j = "0" + i;
	else
		j = i;
	obj.options[obj.length] = new Option(j+":00",i+":00");
	if(ChkValue == i)
		sel = i - StartHour + 1;}
 obj.selectedIndex = sel;
}