//ham dieu chinh ngay thang 
					
					function choseyearmonth(obj,m,y)
					{
						
						var t;
						t=obj.selectedIndex;						
						obj.options.length=1;
						var ngay=0;
						switch(m)
						{
							case "4":	
							case "6":
							case "9":	
							case "11":
								ngay=30; 
							break;
							case "2":
							if(eval(y)%4==0)							
							{
								ngay=29;
							}
							else
							{
								ngay=28;
							}
							break;
							default:
							ngay=31;
						}						
						for (var i=1; i<=ngay;i++){						
						obj.options.add(new Option(i,i));
						}
						if(t<=ngay)
						{
							obj.options[t].selected=true;
						}
					}
			


// ham kiem tra xem xau co phai la nhap o dang so hay khong
function isNubers(str)
{
var isOK=true;
for(var i=0;i<str.length;i++)
	{
		if(str.charAt(i)<'0' || str.charAt(i)>'9')
			{
				isOK=false;
				break;
			}
	}
	return isOK;	
}
// ham kiem tra xau xem co phai la xau rong hay ko
function isWhitespace (s)
{   
	var whitespace = " \t\n\r";
	var i;
	var j=0;
  for (i = 0; i < s.length; i++)
  {   
    var c = s.charAt(i);
	if (c==' ')
	{j++;
	}
	else{
    if (whitespace.indexOf(c) == -1) return false;
	}

  }
  if (j!=s.length)
  {return false;
  }
  return true;
}


function get_object(idname)

{

	if (document.getElementById)

	{

		return document.getElementById(idname);

	}

	else if (document.all)

	{

		return document.all[idname];

	}

	else if (document.layers)

	{

		return document.layers[idname];

	}

	else

	{

		return null;

	}

}



function get_tags(parentobj, tag)

{

	if (typeof parentobj.getElementsByTagName != 'undefined')

	{

		return parentobj.getElementsByTagName(tag);

	}

	else if (parentobj.all && parentobj.all.tags)

	{

		return parentobj.all.tags(tag);

	}

	else

	{

		return null;

	}

}





var xmlHttp;

function createXMLHttpRequest() {

	if (window.ActiveXObject) {

		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

	}

	else if (window.XMLHttpRequest) {

		xmlHttp = new XMLHttpRequest();

	}

}



function startRequestHTML(strUrl, strDivName) {

	createXMLHttpRequest();

	gotoTop();

	xmlHttp.onreadystatechange = function(){

		if(xmlHttp.readyState == 4) {

			if(xmlHttp.status == 200) {

				get_object(strDivName).innerHTML = xmlHttp.responseText;

			}

		}

	};

	xmlHttp.open("GET",strUrl, true);

	xmlHttp.send(null);

	return false;

}



function openWin(strUrl, strName, strFeatures)

{

	var objWin = window.open(strUrl, strName, strFeatures);

	if(!objWin) {

		alert("Error please try again.")

		return false;

	}

	return true;

}





function advClick(strURL)

{

	return openWin(strURL,"_blank","scrollbars=yes, toolbar=yes, menubar=yes, status=yes, resizable=yes");

}



function checkEmail(checkStr) 

{

	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(checkStr))

	{

		return (true)

	}

	return (false)

}



function getAllQuery() {

  var strURL = document.location.href;

  var query = strURL.substr(strURL.indexOf("#")+1);

  return query;

}



function getQuery(variable) {

  var strURL = document.location.href;

  var query = strURL.substr(strURL.indexOf("#")+1);

  var vars = query.split("&");

  for (var i=0;i<vars.length;i++) {

    var pair = vars[i].split("=");

    if (pair[0] == variable) {

      return pair[1];

    }

  }

  return "";

}



function gotoTop()

{

	window.scrollTo(0,0);

}

var xmlHttp;

function createXMLHttpRequest() {

	if (window.ActiveXObject) {

		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");

	}

	else if (window.XMLHttpRequest) {

		xmlHttp = new XMLHttpRequest();

	}

}



function startRequest(strUrl, strDivName, strObj) {

	createXMLHttpRequest();

	gotoTop();

	if (strObj!=null && strObj!="")

		strUrl = strUrl + document.getElementById(strObj).value;

	xmlHttp.onreadystatechange = function(){

		if(xmlHttp.readyState == 4) {

			if(xmlHttp.status == 200) {

				document.getElementById(strDivName).innerHTML = xmlHttp.responseText;

			}

		}

		else

			document.getElementById(strDivName).innerHTML = "<br><p align=\"center\"><img border=\"0\" src=\"images/loading.gif\"></p><br>";

	};

	xmlHttp.open("GET",strUrl, true);

	xmlHttp.send(null);

}



function startPostRequest(strUrl, strDivName, strObj) {

	createXMLHttpRequest();

	gotoTop();

	if (strObj!=null && strObj!="")

		strUrl = strUrl + document.getElementById(strObj).value;

	xmlHttp.onreadystatechange = function(){

		if(xmlHttp.readyState == 4) {

			if(xmlHttp.status == 200) {

				document.getElementById(strDivName).innerHTML = xmlHttp.responseText;

			}

			endProcess();

		}

		else

			startProcess();

	};

	var strQuery = strUrl.substr(strUrl.indexOf('?')+1,strUrl.length);

	xmlHttp.open("POST",strUrl, true);

	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");

	xmlHttp.send(strQuery);

}



function startSearch(strDivName) {

	createXMLHttpRequest();

	gotoTop();

	var intFeatures = document.getElementById('cbFeatures').value;

	var strPriceFrom = document.getElementById('txtPriceFrom').value;

	var strPriceTo = document.getElementById('txtPriceTo').value;

	var blnSearchPro = document.getElementById('rSearchWhat').checked;

	var strSearchWhat;

	if (!blnSearchPro)

		strSearchWhat = "news";

	else

		strSearchWhat = "prod";



	var intCondition = document.getElementById('cbCondition').value;

	var intSearchIn;

	if (strSearchWhat=="news")

		intSearchIn = document.getElementById('cbSearchInNews').value;

	else

		intSearchIn = document.getElementById('cbSearchInPro').value;

	var strByDate = "";

	if (document.getElementById('cbMonth')!=null){	

		var intMonth = document.getElementById('cbMonth').value;

		var intDate = document.getElementById('cbDate').value;

		var intYear = document.getElementById('cbYear').value;

		strByDate = intMonth+"/"+intDate+"/"+intYear;

	}

	var intPerPage = document.getElementById('cbPerPage').value;

	var strKeyword = document.getElementById('txtKeyword').value;

	

	var strQuery = "search.asp?features="+intFeatures+"&pricefrom="+strPriceFrom+"&priceto="+strPriceTo;

		strQuery = strQuery+"&searchwhat="+strSearchWhat+"&intcondition="+intCondition+"&keyword="+strKeyword;

		strQuery = strQuery+"&searchin="+intSearchIn+"&bydate="+strByDate+"&perpage="+intPerPage;

	strUrl = strQuery;

	

	xmlHttp.onreadystatechange = function(){

		if(xmlHttp.readyState == 4) {

			if(xmlHttp.status == 200) {

				document.getElementById(strDivName).innerHTML = xmlHttp.responseText;

			}

			endProcess();

		}

		else

			startProcess();

	};

	xmlHttp.open("GET",strUrl, true);

	xmlHttp.send(null);

}



function bookmarksite(title, url){

	if (document.all)

		window.external.AddFavorite(url, title);

	else if (window.sidebar)

		window.sidebar.addPanel(title, url, "")

}



function chkFrmRegMail(){

	var strRegName = document.frmRegReceivePrice.txtMailName.value;

	var strRegMail = document.frmRegReceivePrice.txtMailAddress.value;



	if(strRegName=="")

	{

		alert("B¡n ch°
a nh­p hÍ tên.");

		document.frmRegReceivePrice.txtMailName.focus();

		return false;

	}

	if(strRegMail=="")

	{

		alert("B¡n ch°
a nh­p 
Ëa chÉ email.");

		document.frmRegReceivePrice.txtMailAddress.focus();

		return false;

	}

	if (strRegMail.indexOf('@',0)==-1 || strRegMail.indexOf('.')==-1)

	{

		alert ("
Ëa chÉ email nh­p sai quy cách.");

		document.frmRegReceivePrice.txtMailAddress.focus();

		return false;

	}

	else

	{

		var strQuery = "regNewsLetter.asp?hoten="+strRegName+"&email="+strRegMail;

    	strQuery = strQuery.replace(/ /g,"[sPaCe]")

    	strQuery = strQuery.replace(/\n/g,"[nEwLiNe]")

    	startPostRequest(strQuery,'BodyContent','');

	}

}

function sconfirm(strMess,strURL){

	var yn;

	yn=window.confirm(strMess);

	if (yn==true){

		document.location.href=strURL;

		}

}

function askconf(strMess){

	var yn;

	yn=window.confirm(strMess);

	if (yn==true){

		return true;

		}

	return false;

}

function openWin(theURL,winName,features) {

  	window.open(theURL,winName,features);

}

function winopen(url){

	window.open(url);

}



function insertStr(strValue,anh){



	window.opener.document.form1[anh].value=strValue;

}



function CheckFrmContact() {

    //Initialise variables

    var errorMsg = "";

    //Check for a value

    var strSID = document.frmContact.txtSID.value;

    var strHoten = document.frmContact.txtName.value;

    var strAdd = document.frmContact.txtAddress.value;

    var strTel = document.frmContact.txtTel.value;

    var strEmail = document.frmContact.txtEmail.value;

    var strSubject = document.frmContact.txtSubject.value;

    var strContent = document.frmContact.txtContent.value;

        

    if (strHoten == ''){

            errorMsg += "\n\t- Ban chua nhap Ho ten";

    }

    if (strEmail == ''){

            errorMsg += "\n\t- Ban chua nhap E-mail cua ban";

    }

    if (strSubject == ''){

            errorMsg += "\n\t- Ban chua nhap Chu de";

    }

    if (strContent == ''){

            errorMsg += "\n\t- Ban chua nhap Noi dung";

    }

    if (strContent.length > 3800){

            errorMsg += "\n\t- Noi dung khong duoc vuot qua 4000 chu.";

    }



    //If there is aproblem with the form then display an error

    if (errorMsg != ""){

            msg = "Co loi voi du lieu nhap vao cua ban.\n";

            msg += "__________________________________________________\n\n";

            msg += "Co loi o cac phan sau:\n";

            errorMsg += alert(msg + errorMsg);

    }

	else

	{

		var strQuery = "contactAct.asp?hoten="+strHoten+"&diachi="+strAdd+"&tel="+strTel+"&email="+strEmail+"&chude="+strSubject+"&noidung="+strContent+"&sid="+strSID;

    	strQuery = strQuery.replace(/ /g,"[sPaCe]")

    	strQuery = strQuery.replace(/\n/g,"[nEwLiNe]")

    	startPostRequest(strQuery,'BodyContent','');

    }

}



function playMedia(fID,blnVideo,height,width,lang)
{
	window.open('playMedia.asp?fID='+fID+'&blnVideo='+blnVideo+'&ln='+lang,'win','height='+height+',width='+width+',scrollbars=no,menubar=no,toolbar=no,top=100,left=100')
}
function playMedia1(file,blnVideo,height,width,lang)
{
	window.open('playMedia.asp?f='+file+'&blnVideo='+blnVideo+'&ln='+lang,'win','height='+height+',width='+width+',scrollbars=no,menubar=no,toolbar=no,top=100,left=100')
}



function popupImage(src, note, title, css, border) {

var ppimgNW;

  if (border==null) border = 0;

  if (note==null) note = '';

  if (ppimgNW != null) ppimgNW.close();



  ppimgNW = window.open('','POPUPIMAGE','width=1,height=1');

  var doc = ppimgNW.document;

  doc.write('<html>');

  doc.write('<head>');



  if (title!=null) doc.write('<title>'+ title +'</title>');

  doc.write('<style> body {'+css+'} #ppImgText{'+ css +'} #ppImg{cursor:hand}</style></head>');

  doc.write('<body oncontextmenu="return false" leftmargin="0" topmargin="' + border + '">');

  doc.write('<div align="center">');

  doc.write('<img src="' + src + '" id="ppImg" onclick="self.close();" title="Close">');

  doc.write('</div>');

  doc.write('<div style="height:1; width:'+ border +'; font-size:4pt">');

  doc.write('</div>');

  doc.write('<div id="ppImgText" align="center">');

  doc.write('<Font face=Tahoma size=2>'+note+'</Font>');

  doc.write('</div>');

  doc.write('</body>');

  doc.write('</html>');



  doc.write('<' + 'script>');

  doc.write('var resized = false;');

  doc.write('function doResize() {');

  doc.write('  var imgW = ppImg.width, imgH = ppImg.height;');     

  if (note=='' || note==null) {addH=40} else {addH=60};

  doc.write('  window.resizeTo(imgW + 8 +' + border*2 +', imgH + ppImgText.offsetHeight + '+addH+' + '+ border*2 +');');

  doc.write('  setTimeout("doResize()",1000);');



  doc.write('}');

  doc.write('doResize(); ');

  doc.write('</' + 'script>');

}



isIE=document.all;

isNN=!document.all&&document.getElementById;

isN4=document.layers;

isHot=false;



document.onmousedown=ddInit;

document.onmouseup=Function("ddEnabled=false");



function ddInit(e){

  topDog=isIE ? "BODY" : "HTML";

  whichDog=isIE ? document.all.theLayer : document.getElementById("theLayer");  

  hotDog=isIE ? event.srcElement : e.target;  

  while (hotDog.id!="titleBar"&&hotDog.tagName!=topDog){

    hotDog=isIE ? hotDog.parentElement : hotDog.parentNode;

  }  

  if (hotDog.id=="titleBar"){

    offsetx=isIE ? event.clientX : e.clientX;

    offsety=isIE ? event.clientY : e.clientY;

    nowX=parseInt(whichDog.style.left);

    nowY=parseInt(whichDog.style.top);

    ddEnabled=true;

    document.onmousemove=dd;

  }

  

	if (isIE&&event.srcElement.id=="dragbar"||isNN&&e.target.id=="dragbar"){

		offsetx=isIE? event.clientX : e.clientX

		offsety=isIE? event.clientY : e.clientY

		

		tempx=parseInt(crossobj.style.left)

		tempy=parseInt(crossobj.style.top)

		

		ddEnabled=true

		document.onmousemove=drag_drop

	}



}



function dd(e){

  if (!ddEnabled) return;

  whichDog.style.left=isIE ? nowX+event.clientX-offsetx : nowX+e.clientX-offsetx; 

  whichDog.style.top=isIE ? nowY+event.clientY-offsety : nowY+e.clientY-offsety;

  return false;  

}



function ddN4(whatDog){

  if (!isN4) return;

  N4=eval(whatDog);

  N4.captureEvents(Event.MOUSEDOWN|Event.MOUSEUP);

  N4.onmousedown=function(e){

    N4.captureEvents(Event.MOUSEMOVE);

    N4x=e.x;

    N4y=e.y;

  }

  N4.onmousemove=function(e){

    if (isHot){

      N4.moveBy(e.x-N4x,e.y-N4y);

      return false;

    }

  }

  N4.onmouseup=function(){

    N4.releaseEvents(Event.MOUSEMOVE);

  }

}



function moveCenter()

{

	obj = document.getElementById("theLayer");

	obj.style.left=(document.body.scrollLeft+parseInt((document.body.clientWidth-350)/2))+"px";

	obj.style.top=(document.body.scrollTop+parseInt((document.body.clientHeight-250)/2))+"px";



}

function show_hide()

{

	if (isIE||isNN)

	{

		if (whichDog.style.visibility=="hidden")

		{

			whichDog.style.visibility="visible";

			moveCenter();

		}

		else

		{

			whichDog.style.visibility="hidden";

		}

	}

	else if (isN4)

	{

		if (document.theLayer.visibility=="hide")

		{		

			document.theLayer.visibility="show";

			moveCenter();

		}

		else

		{

			document.theLayer.visibility="hide";

		}

	}

}



function zoomImg(obj,intType)

{

	var wObj = document.getElementById(obj);

	if(intType==0)

		objW = eval(wObj.width - 50);

	else

		objW = eval(wObj.width + 50);

	//alert(objW);

	wObj.width = objW;

}



function ietruebody(){

	return (document.compatMode && document.compatMode!="BackCompat" && !window.opera)? document.documentElement : document.body

}



function enlarge(title, which, e, position, imgwidth, imgheight){

	if (isIE||isNN){

		crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage

		if (position=="center"){

			pgyoffset=isNN? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)

			horzpos=isNN? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2

			vertpos=isNN? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2

			if (window.opera && window.innerHeight) //compensate for Opera toolbar

			vertpos=pgyoffset+window.innerHeight/2-imgheight/2

			vertpos=Math.max(pgyoffset, vertpos)

		}

		else{

			var horzpos=isNN? pageXOffset+e.clientX : ietruebody().scrollLeft+event.clientX

			var vertpos=isNN? pageYOffset+e.clientY : ietruebody().scrollTop+event.clientY

		}

		crossobj.style.left=horzpos+"px"

		crossobj.style.top=vertpos+"px"

		var strHTML = '<table border="0" cellpadding="0" style="border-collapse: collapse">'

		strHTML = strHTML + '<tr><td><table border="0" cellpadding="0" style="border-collapse: collapse" width=100%>'

		strHTML = strHTML + '<tr><td id="dragbar">&nbsp;'+title+'</td><td width="20" align="center" id="closetext" onClick="closepreview()"><img alt="Close" border="0" src="images/i_close.gif" width="16" height="16"></td></tr></td></tr></table>'

		strHTML = strHTML + '<tr><td title="Close" onClick="closepreview()"><img src="'+which+'"></td></tr></table>'



		crossobj.innerHTML= strHTML

		crossobj.style.visibility="visible"

		document.getElementById("divOpacity").style.width = document.body.scrollWidth;

		document.getElementById("divOpacity").style.height = document.body.scrollHeight;

		document.getElementById("divOpacity").style.visibility="visible";

		return false

	}

	else //if NOT IE 4+ or NS 6+, simply display image in full browser window

		return true

}



function closepreview(){

	crossobj.style.visibility="hidden"

	document.getElementById("divOpacity").style.width = 0;

	document.getElementById("divOpacity").style.height = 0;

	document.getElementById("divOpacity").style.visibility="hidden";

}



function drag_drop(e){

	if (isIE&&ddEnabled){

		crossobj.style.left=tempx+event.clientX-offsetx+"px"

		crossobj.style.top=tempy+event.clientY-offsety+"px"

	}

	else if (isNN&&ddEnabled){

		crossobj.style.left=tempx+e.clientX-offsetx+"px"

		crossobj.style.top=tempy+e.clientY-offsety+"px"

	}

	return false

}

function getContent(intModule)

{

	if(intModule==100)

		startRequest('News_detail.asp?nID='+getQuery("nid")+'&ncid='+getQuery("ncid")+'&page='+getQuery("page"),'BodyContent','');
		
	else if(intModule==101)
		startRequest('News.asp?page='+getQuery("page"),'BodyContent','');
		
	else if(intModule==102)	
		startRequest('News_cat.asp?ncid='+getQuery("ncid")+'&page='+getQuery("page"),'BodyContent','');

	else if (intModule==200)

		startRequest('info.asp?id='+getQuery("id"),'BodyContent','');
		
	else if(intModule==300)
		startRequest('maindestination.asp?page='+getQuery("page"),'BodyContent','');
		
	else if (intModule==301)
		startRequest('destination.asp?id='+getQuery("id"),'BodyContent','');
		
	else if (intModule==400)
		startRequest('Tour_detail.asp?tid='+getQuery("tid"),'BodyContent','');
		
	else if (intModule==401)
		startRequest('tour_cat.asp?tcid='+getQuery("tcid")+'&page='+getQuery("page"),'BodyContent','');
		
	else if (intModule==402)
		startRequest('Maintour.asp?page='+getQuery("page"),'BodyContent','');

	else if (intModule==500)
		startRequest('search.asp?keyword='+getQuery("keyword"),'BodyContent','');

	else if (intModule==600)

		startRequest('MainGalery.asp?page='+getQuery("page"),'BodyContent','');	

	else if (intModule==700)

		startRequest('mainhotel.asp?page='+getQuery("page"),'BodyContent','');

else if (intModule==707)

		startRequest('HotelDetail.asp?hid='+getQuery("hid"),'BodyContent','');
	
	

	else if (intModule==701)

		startRequest('service.asp','BodyContent','');

	else if (intModule==702)

		startRequest('support.asp','BodyContent','');

	else if (intModule==800)

		startRequest('maincontact.asp','BodyContent','');
	else if (intModule==801)

		startRequest('contactsuccess.asp?fullname='+getQuery("fullname")+'&email='+getQuery("email")+'&tel='+getQuery("tel")+'&subject='+getQuery("subject")+'&comment='+getQuery("comment")+'&address='+getQuery("address"),'BodyContent','');
		
	else if (intModule==802)
		startRequest('mainservice.asp?page='+getQuery("page"),'BodyContent','');
		
	else if (intModule==803)
		startRequest('servicedetail.asp?tid='+getQuery("tid"),'BodyContent','');
		
	else if (intModule==804)
		startRequest('mainwhytrip.asp?page='+getQuery("page"),'BodyContent','');
		
	else if (intModule==805)
		startRequest('whytripdetail.asp?wid='+getQuery("wid"),'BodyContent','');
	else if (intModule==808)
		startRequest('servicecat.asp?tcid='+getQuery("tcid")+'&page='+getQuery("page"),'BodyContent','');
		
	else if (intModule==900)
		startRequest('videocat.asp?page='+getQuery("page"),'BodyContent','');
	
	else if (intModule==901)
		startRequest('Videolist.asp?vid='+getQuery("vid"),'BodyContent','');

	else
		startRequest('home.asp?tcid='+getQuery("tcid"),'BodyContent','');

}