function self(st)
{
	
	window.document.forms[0].target = "_self";

	window.document.forms[0].action = st;

	window.document.forms[0].submit();

}
function selfsub(st)
{
	
	window.document.forms[1].target = "_self";

	window.document.forms[1].action = st;

	window.document.forms[1].submit();

}
function LTrim(str)
/*
PURPOSE: Remove leading blanks from our string.
IN: str - the string we want to LTrim
*/
{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
      // We have a string with leading blank(s)...

      var j=0, i = s.length;

      // Iterate from the far left of string until we
      // don't have any more whitespace...
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      // Get the substring from the first non-whitespace
      // character to the end of the string...
      s = s.substring(j, i);
   }
   return s;
}

/*
==================================================================
RTrim(string) : Returns a copy of a string without trailing spaces.
==================================================================
*/
function RTrim(str)
/*
   PURPOSE: Remove trailing blanks from our string.
   IN: str - the string we want to RTrim

*/
{
   // We don't want to trip JUST spaces, but also tabs,
   // line feeds, etc.  Add anything else you want to
   // "trim" here in Whitespace
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      // We have a string with trailing blank(s)...

      var i = s.length - 1;       // Get length of string

      // Iterate from the far right of string until we
      // don't have any more whitespace...
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;


      // Get the substring from the front of the string to
      // where the last non-whitespace character is...
      s = s.substring(0, i+1);
   }

   return s;
}


/*
=============================================================
Trim(string) : Returns a copy of a string without leading or trailing spaces
=============================================================
*/
function Trim(str)
/*
   PURPOSE: Remove trailing and leading blanks from our string.
   IN: str - the string we want to Trim

   RETVAL: A Trimmed string!
*/
{
   return RTrim(LTrim(str));
}
/**/
function checkEmail(str){
	var textValue = str.value;
	var err=''
	if (textValue == ''){
		err += "Invalid E-mail ID";
		alert(err);
		str.focus();
		return false
	}
	if (textValue.indexOf('@') <= 0 || textValue.indexOf('@') == textValue.length -1){
		err += "Invalid E-mail ID ";		
	} else {
		var substr = textValue.substring(textValue.indexOf('@'),textValue.length);
		if (textValue.indexOf('.') <= 0) {
			err += "Invalid E-mail ID \n";
		}
	}
	if (err != '') { 
		alert(err); 
		str.focus();
		return false;
	}
	return true;
}

/**/
function checkRegister (f) {
	companyName = f.txthoten.value;
	
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	/*telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}*/
	/*contactPerson = f.txtchude.value;
	if (Trim(contactPerson) == "") {
		alert('Please, put in your contact subject');
		f.txtchude.focus();
		return false;
	}*/
	catId = f.txtnoidung.value;
	if (Trim(catId) == "") {
		alert('Please, put in your content');
		f.txtnoidung.focus();
		return false;
	}
	
	return true;	
}
function checkTailors(f)
{
	txthoten = f.txthoten.value;
	if (Trim(txthoten) == "") {
		alert('Please, Put in your full name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	txtdiachi = f.txtdiachi.value;
	if (Trim(txtdiachi) == "0") {
		alert('Please, Put in your country');
		f.txtdiachi.focus();
		return false;
	}
	catId = f.txtnoidung.value;
	if (catId == "") {
		alert('Please, put in your content');
		f.txtnoidung.focus();
		return false;
	}
	
	return true;	
}
// check book tour
/**/
function checkBookTour (f) {
	companyName = f.txthoten.value;
	
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}
	contactPerson = f.cmbcategory.value;
	
	if (Trim(contactPerson) == "0") {
		alert('Please, select tour code');
		f.cmbcategory.focus();
		return false;
	}
	
	subCathotel = f.cmbcat.value;
	if (subCathotel == "0") {
		alert('Please, select hotel category');
		f.cmbcat.focus();
		return false;
	}

	subCatroom = f.cmbroomcat.value;
	if (subCatroom == "0") {
		alert('Please, select room category');
		f.cmbroomcat.focus();
		return false;
	}
	return true;	
}
// check book hotel
/**/
function checkBookHotel (f) {
	companyName = f.txthoten.value;
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}
		catId = f.cmbhotel.value;
	if (catId == "0") {
		alert('Please, select hotel name');
		f.cmbhotel.focus();
		return false;
	}
	
	
	subCatroom = f.cmbroomcat.value;
	if (subCatroom == "0") {
		alert('Please, select room category');
		f.cmbroomcat.focus();
		return false;
	}
	subCatAdult = f.txtnguoilon.value;
	if (subCatAdult == "0") {
		alert('Please, put in number of guest(s)');
		f.txtnguoilon.focus();
		return false;
	}
	subCatId = f.txtngaykh.value;
	if (subCatId == "") {
		alert('Please, select check in of date');
		f.txtngaykh.focus();
		return false;
	}
	subCatdateout= f.txtngayve.value;
	if (subCatdateout == "") {
		alert('Please, select check out of date');
		f.txtngayve.focus();
		return false;
	}
	return true;	
}
// check book Flight
/**/
function checkBookFlight (f) {
	companyName = f.txthoten.value;
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}
	contactPerson = f.txtchuyenbay.value;
	
	if (Trim(contactPerson) == "") {
		alert('Please, put in Flight name');
		f.txtchuyenbay.focus();
		return false;
	}
	catId = f.txtsove.value;
	if (catId == "0") {
		alert('Please, put in number of ticket(s)');
		f.txtsove.focus();
		return false;
	}

	subCatdateout= f.txtngaykh.value;
	if (subCatdateout == "") {
		alert('please, select departure date');
		f.txtngaykh.focus();
		return false;
	}
	return true;	
}
// check book Flight
/**/
function checkBookVehicle (f) {
	companyName = f.txthoten.value;
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}
	contactPerson = f.txtloaixe.value;
	
	if (Trim(contactPerson) == "") {
		alert('Please, put in vehicel category');
		f.txtloaixe.focus();
		return false;
	}
	catId = f.txtsocho.value;
	if (catId == "0") {
		alert('Please, put in number of seat(s)');
		f.txtsocho.focus();
		return false;
	}
	subCatdateout= f.txtngaykh.value;
	if (subCatdateout == "") {
		alert('Please, select departure date');
		f.txtngaykh.focus();
		return false;
	}
	txtngayve= f.txtngayve.value;
	if (txtngayve == "") {
		alert('Please, select return date');
		f.txtngayve.focus();
		return false;
	}
	return true;	
}
/* book tailor*/
function checkBookTailor(f)
{
companyName = f.txthoten.value;
	if (Trim(companyName) == "") {
		alert('Please, put in your name');
		f.txthoten.focus();
		return false;
	}
	if (!checkEmail(f.txtemail)) {
		return false
	}
	address = f.txtdiachi.value;
	if (Trim(address) == "") {
		alert('Please, put in your addresss');
		f.txtdiachi.focus();
		return false;
	}
	telephone = f.txtdt.value;
	if (Trim(telephone) == "") {
		alert('Please, put in your phone');
		f.txtdt.focus();
		return false;
	}
	subCatId = f.txtngaykh.value;
	if (subCatId == "") {
		alert('Please, select departure date');
		f.txtngaykh.focus();
		return false;
	}
	txtthoigian = f.txtthoigian.value;
	
	if (Trim(txtthoigian) == "0") {
		alert('Please, put in number of day(s)');
		f.txtthoigian.focus();
		return false;
	}
	txtpt = f.txtpt.value;
	
	if (Trim(txtpt) == "") {
		alert('Please, put in transport');
		f.txtpt.focus();
		return false;
	}
	txtdiemden = f.txtdiemden.value;
	
	if (Trim(txtdiemden) == "") {
		alert('Please, put in destinations');
		f.txtdiemden.focus();
		return false;
	}
	
	subCathotel = f.cmbcat.value;
	if (subCathotel == "0") {
		alert('Please, put in hotel category');
		f.cmbcat.focus();
		return false;
	}

	subCatroom = f.cmbroomcat.value;
	if (subCatroom == "0") {
		alert('Please, put in room
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