//火车票查询
function trainSubmit_1(){
	if(TrainSearchForm_1.startStation.value==''){
		alert('操作提示：\n\n出发站选项不能为空！');
		TrainSearchForm_1.startStation.focus();
		return false;
	}
	if(TrainSearchForm_1.endStation.value==''){
		alert('操作提示：\n\n到达站选项不能为空！');
		TrainSearchForm_1.endStation.focus();
		return false;
	}
}
function trainSubmit_4(){
	if(TrainSearchForm_4.fb.value==''){
		alert('操作提示：\n\n出发站选项不能为空！');
		TrainSearchForm_4.fb.focus();
		return false;
	}
	if(TrainSearchForm_4.tb.value==''){
		alert('操作提示：\n\n到达站选项不能为空！');
		TrainSearchForm_4.tb.focus();
		return false;
	}
}

function trainSubmit_2(){
	if(TrainSearchForm_2.StationTimes.value==''){
		alert('操作提示：\n\n车次不能为空！')
		TrainSearchForm_2.StationTimes.focus();
		return false;
	}
}


//火车票信息转让与求购切换
function secBoard(elementID,listName,elementname,n,stname1,stname2){

	//var trainMore=document.getElementById("trainInfoMore");
	//if (n==1)
	//{
		//trainMore.href="http://www.17u.net/train/ticketmore2p.html";
		//trainMore.title="火车票转让"
	//}else{
		//trainMore.href="http://www.17u.net/train/ticketmore3p.html";
		//trainMore.title="火车票求购"
	//}

	var elem = document.getElementById(elementID);
	var elemlist = elem.getElementsByTagName(elementname);

	for (var i=0; i<elemlist.length; i++) {
		elemlist[i].className = stname1;
		var m = i+1;
		document.getElementById(listName+"_"+m).className = "li04";
	}

		elemlist[n-1].className = stname2;
		document.getElementById(listName+"_"+n).className = "li03";
}

//根据ID选择Object
function $(objectId) {
	if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId);
	} else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId);
	} else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won"t find nested layers
		return document.layers[objectId];
	} else {
		return false;
	}
}
//火车票查询
function trainSubmit_1(){
	if(TrainSearchForm_1.startStation.value==''){
		alert('操作提示：\n\n出发站选项不能为空！');
		TrainSearchForm_1.startStation.focus();
		return false;
	}
	if(TrainSearchForm_1.endStation.value==''){
		alert('操作提示：\n\n到达站选项不能为空！');
		TrainSearchForm_1.endStation.focus();
		return false;
	}
}
function trainSubmit_2(){
	if(TrainSearchForm_2.StationTimes.value==''){
		alert('操作提示：\n\n车次不能为空！')
		TrainSearchForm_2.StationTimes.focus();
		return false;
	}
}

function trainSubmit_3(){
	if(TrainSearchForm_3.StationName.value==''){
		alert('操作提示：\n\n车站不能为空！')
		TrainSearchForm_3.StationName.focus();
		return false;
	}
}


function Changtab(tabid,divid,showcss,hidecss,allcount,c){
	for (var i=1;i<=allcount ;i++ )
	{
		if (c==i)
		{
			$(tabid+i).className=showcss;
			$(divid+i).className="DivShow";
			//<a id="qmore1" href="http://www.17u.cn/FlightCommentList.html" target="_blank" class="fright"><img src="images/play_left06.gif"></a><a id="qmore2" href="/question/question/pc4/p1.html" target="_blank" class="fright1"><img src="images/play_left06.gif"></a>

		}else{
			$(tabid+i).className=hidecss;
			$(divid+i).className="DivHide";
		}
	}
}