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;
 form1.Istrue.value = val;
 if(val == 0){
	document.getElementById("Nation").style.display = "block";
	document.getElementById("BackDate").style.display = "none";
	document.getElementById("sMultiCity").style.display = "none";
	document.getElementById("eMultiCity").style.display = "none";
	document.getElementById("MultiDate").style.display = "none";
	document.getElementById("Internal").style.display = "none";}
 else if(val == 1){
	document.getElementById("Nation").style.display = "block";
	document.getElementById("BackDate").style.display = "block";
	document.getElementById("sMultiCity").style.display = "none";
	document.getElementById("eMultiCity").style.display = "none";
	document.getElementById("MultiDate").style.display = "none";
	document.getElementById("Internal").style.display = "none";}
 else if(val == 2){
	document.getElementById("Nation").style.display = "block";
	document.getElementById("BackDate").style.display = "none";
	document.getElementById("sMultiCity").style.display = "block";
	document.getElementById("eMultiCity").style.display = "block";
	document.getElementById("MultiDate").style.display = "block";
	document.getElementById("Internal").style.display = "none";}
 else{
	document.getElementById("Nation").style.display = "none";
	document.getElementById("BackDate").style.display = "none";
	document.getElementById("sMultiCity").style.display = "none";
	document.getElementById("eMultiCity").style.display = "none";
	document.getElementById("MultiDate").style.display = "none";
	document.getElementById("Internal").style.display = "block";}
}
function CheckDate(s){
 var Today = new Date();
 var y,m,d,t,ss,st;
 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;
 ss = s.split("/");
 st = ss[2]+""+ss[0]+""+ss[1];
 return (t>st);
}
function Check(){
with(form1){
 var sel = Istrue.value;
 if(sel == 3){}
 else{
	if(EndCity.value == StartCity.value){
		alert("Of cities and cities can not reach the same！");
		EndCity.focus();
		return false;}
	if(StartDate.value == "mm/dd/yyyy"){
		alert("Please fill out the starting date！");
		StartDate.focus();
		return false;}
	if(CheckDate(StartDate.value)){
		alert("Departure date can not be less than the current date！");
		StartDate.focus();
		return false;}
	if(sel == 1){
		if(BackDate.value == "mm/dd/yyyy"){
			alert("Please fill out the return date！");
			BackDate.focus();
			return false;}
		if(CheckDate(BackDate.value)){
			alert("Return date can not be less than the current date！");
			BackDate.focus();
			return false;}
		if(BackDate.value < StartDate.value){
			alert("Return date can not be less than departure date！");
			BackDate.focus();
			return false;}}
	if(sel == 2){
		if(EndCity2.value == StartCity2.value){
			alert("Of cities and cities can not reach the same！");
			EndCity2.focus();
			return false;}
		if(StartDate2.value == "mm/dd/yyyy"){
			alert("Please fill out the second departure date！");
			StartDate2.focus();
			return false;}
		if(CheckDate(StartDate2.value)){
			alert("The second departure date can not be less than the current date！");
			StartDate2.focus();
			return false;}
		if(StartDate2.value < StartDate.value){
			alert("The second departure date can not be less than the first departure date！");
			StartDate2.focus();
			return false;}}
	}
 }
}