function OpenUrl(Url,Width,Height,scrollbars){
 window.open(""+Url,"","Width="+Width+",Height="+Height+",top=100,left=100,status=no,scrollbars="+scrollbars)
}
function GP(n){
 var dight = n/10;
 var l = dight.toString().length - (dight.toString().indexOf('.') + 1);
 for(var i=l;i>=0;i--)
	dight = new Number(dight.toFixed(i));
 return dight*10; 
}
function showTable(sel){
 var val = sel.value;
 var cur = form1.IsTrue.value; 
 if(val == 0){
	document.getElementById("BackDateTab").style.display = "none";
	document.getElementById("sMultiCity").style.display = "none";
	document.getElementById("eMultiCity").style.display = "none";
	document.getElementById("MultiDate").style.display = "none";
	SV(form1.StartTime,"");
	SV(form1.AirLine,"");}
 else if(val == 1){
	document.getElementById("BackDateTab").style.display = "";
	document.getElementById("sMultiCity").style.display = "none";
	document.getElementById("eMultiCity").style.display = "none";
	document.getElementById("MultiDate").style.display = "none";
	SV(form1.StartTime,"");	
	SV(form1.BackTime,"");
	SV(form1.AirLine,"");}
 else if(val == 2){
	document.getElementById("BackDateTab").style.display = "none";
	document.getElementById("sMultiCity").style.display = "";
	document.getElementById("eMultiCity").style.display = "";
	document.getElementById("MultiDate").style.display = "";
	SV(form1.StartTime,"");
	SV(form1.StartTime2,"");
	SV(form1.AirLine,"");}
 form1.IsTrue.value = val;
}

function showTable1(sel){
 var val = sel.value;
 var cur = form1.IsTrue.value; 
 if(val == 3){
	document.getElementById("StartDate2_xing").style.display = "none";
	document.getElementById("StartDate2_Date").style.display = "none";
 	}
 else if(val == 4){
	document.getElementById("StartDate2_xing").style.display = "";
	document.getElementById("StartDate2_Date").style.display = "";
	}
 form1.IsTrue.value = val;
}

function showTable2(sel){
 var val = sel.value;
 var cur = form1.IsTrue.value; 
 if(val == 3){
	document.getElementById("StartDate2_Date").style.display = "none";
 	}
 else if(val == 4){
	document.getElementById("StartDate2_Date").style.display = "";
	}
 form1.IsTrue.value = val;
}


function CheckDate(s){
 var Today = new Date();
 var y,m,d,t;
 y = Today.getFullYear();
 m = Today.getMonth() + 1;
 if(m<10) m = "0"+m;
 d = Today.getDate();
 if(d<10) d = "0"+d;
 t = y + "-" + m + "-" + d;
 return (t>s);
}
function Check(){
with(form1){	
 var sel = IsTrue.value;
 if(StartCity.value == ""){
	alert("请填写正确的出发城市名称！");
	StartInput.focus();
	return false;}
 if(EndCity.value == ""){
	alert("请填写正确的到达城市名称！");
	EndInput.focus();
	return false;}
 if(EndCity.value == StartCity.value){
	alert("出发城市与到达城市不能相同！");
	EndInput.focus();
	return false;}
 if(CheckDate(StartDate.value)){
	alert("出发日期不能小于当前日期！");
	StartDate.focus();
	return false;}
 if(sel == 1){
	if(CheckDate(BackDate.value)){
		alert("回程日期不能小于当前日期！");
		BackDate.focus();
		return false;}
	if(BackDate.value < StartDate.value){
		alert("回程日期不能小于出发日期！");
		BackDate.focus();
		return false;}}
 if(sel == 2){
	if(StartCity2.value == ""){
		alert("请填写正确的出发城市名称！");
		StartInput2.focus();
		return false;}
	if(EndCity2.value == ""){
		alert("请填写正确的到达城市名称！");
		EndInput2.focus();
		return false;}
	if(EndCity2.value == StartCity2.value){
		alert("出发城市与到达城市不能相同！");
		EndInput2.focus();
		return false;}
	if(CheckDate(StartDate2.value)){
		alert("第二出发日期不能小于当前日期！");
		StartDate2.focus();
		return false;}
	if(StartDate2.value < StartDate.value){
		alert("第二出发日期不能小于第一出发日期！");
		StartDate2.focus();
		return false;}}}
 return true;
}