function index_init() {
	document.getElementById("trainId").className = "background_color_x cursor_style";
	document.getElementById("planeId").className = "background_color_x cursor_style";
}

function ticket_tab(ida,idb,idc,idd) {
	document.getElementById(idc).style.display = "";
	document.getElementById(idd).style.display = "none";
}

function searchTrain1() {
	if (document.getElementById('txtChuFa').value=='' && document.getElementById('txtDaoDa').value=='') {
		alert("请填写出发站和到达站!");
		document.getElementById("txtChuFa").focus();
		return false;
	}else if(document.getElementById('txtChuFa').value=='') {
		alert("请填写出发站!");
		document.getElementById("txtChuFa").focus();
		return false;
	}else if(document.getElementById('txtDaoDa').value=='') {
		alert("请填写到达站!");
		document.getElementById("txtDaoDa").focus();
		return false;
	}
	document.trainTicketForm1.submit();
}
function searchTrain2() {
	if (document.getElementById('txtCheCi').value=='') {
		alert("请填写车次!");
		document.getElementById("txtCheCi").focus();
		return false;
	}
	document.trainTicketForm2.submit();
}
function searchTrain3() {
	if (document.getElementById('txtCheZhan').value=='') {
		alert("请填写车站!");
		document.getElementById("txtCheZhan").focus();
		return false;
	}
	document.trainTicketForm3.submit();
}

function showhide(id) {
	if (id == "1") {
		document.getElementById("a").style.display = "none";
		document.getElementById("b").style.display = "none";
	}
	if (id == "2") {
		document.getElementById("a").style.display = "";
		document.getElementById("b").style.display = "";
	}
}

function searchPlane() {
	var ticketTypeId = document.getElementById("ticketTypeId").value;
	if (document.getElementById("beginCity").value=="") {
		alert("请填写出发城市!");
		document.getElementById("beginCity").focus();
		return false;
	}
	if ((document.getElementById("beginDate").value=="") || (document.getElementById("beginDate").value=="yyyy-mm-dd")) {
		alert("请填写出发日期!");
		document.getElementById("beginDate").focus();
		return false;
	}
	if (document.getElementById("endCity").value=="") {
		alert("请填写目的城市!");
		document.getElementById("endCity").focus();
		return false;
	}
	if (ticketTypeId == 2) {
		if ((document.getElementById("returnDate").value=="") || (document.getElementById("returnDate").value=="yyyy-mm-dd")) {
			alert("请填写返回日期!");
			document.getElementById("returnDate").focus();
			return false;
		}
	}
	document.searchPlaneForm.submit();
}