ÿþ

function emailcheck(str) 

{

	var at="@";

	var dot=".";

	var lat=str.indexOf(at);

	var lstr=str.length;

	var ldot=str.indexOf(dot);

	if (str.indexOf(at)==-1){

	   alert("
Ëa chÉ email không hãp lÇ.");

	   return false;

	}



	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){

	   alert("
Ëa chÉ email không hãp lÇ.");

	   return false;

	}



	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){

	    alert("
Ëa chÉ email không hãp lÇ.");

	    return false;

	}



	 if (str.indexOf(at,(lat+1))!=-1){

	    alert("
Ëa chÉ email không hãp lÇ.");

	    return false;

	 }



	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){

	    alert("
Ëa chÉ email không hãp lÇ.");

	    return false;

	 }



	 if (str.indexOf(dot,(lat+2))==-1){

	    alert("
Ëa chÉ email không hãp lÇ.");

	    return false;

	 }

	

	 if (str.indexOf(" ")!=-1){

	    alert("
Ëa chÉ email không hãp lÇ.");

	    return false;

	 }



	 return true;					

}



function ValidateNewsletterForm()

{

    if ((document.getElementById("txtEmail").value==null)||(document.getElementById("txtEmail").value=="")){

		alert("Vui lòng nh­p 
Ëa chÉ email.");

		document.getElementById("txtEmail").focus();

		return false;

	}

	if (emailcheck(document.getElementById("txtEmail").value)==false){

		document.getElementById("txtEmail").value= "";

		document.getElementById("txtEmail").focus();

		return false;

	}



//    document.Form1.action ='default.aspx';

//    document.Form1.submit();

	return true;

}



function ValidateNewsletterFormEng()

{

    if ((document.getElementById("txtEmail").value==null)||(document.getElementById("txtEmail").value=="")){

		alert("Please input your email address.");

		document.getElementById("txtEmail").focus();

		return false;

	}

	if (emailcheck(document.getElementById("txtEmail").value)==false){

		document.getElementById("txtEmail").value= "";

		document.getElementById("txtEmail").focus();

		return false;

	}



//    document.Form1.action ='default.aspx';

//    document.Form1.submit();

	return true;

}



function ValidateNewsletterFormRus()

{

    if ((document.getElementById("txtEmail").value==null)||(document.getElementById("txtEmail").value=="")){

		alert("Please input your email address.");

		document.getElementById("txtEmail").focus();

		return false;

	}

	if (emailcheck(document.getElementById("txtEmail").value)==false){

		document.getElementById("txtEmail").value= "";

		document.getElementById("txtEmail").focus();

		return false;

	}



//    document.Form1.action ='default.aspx';

//    document.Form1.submit();

	return true;

}



function ValidateBookingFormEng()

{

    if ((document.getElementById("ArrivalDate").value==null)||(document.getElementById("ArrivalDate").value=="")){

		alert("Please select arrival date.");

		document.getElementById("ArrivalDate").focus();

		return false;

	}

    if ((document.getElementById("DepartureDate").value==null)||(document.getElementById("DepartureDate").value=="")){

		alert("Please select departure date.");

		document.getElementById("DepartureDate").focus();

		return false;

	}

	

    document.Form1.action ='http://reservation.comancheinternational.com/Reservations/Availability.do';

    document.Form1.method = 'post';

    document.Form1.submit();

}



function ValidateBookingFormRus()

{

    if ((document.getElementById("ArrivalDate").value==null)||(document.getElementById("ArrivalDate").value=="")){

		alert("Please select arrival date.");

		document.getElementById("ArrivalDate").focus();

		return false;

	}

    if ((document.getElementById("DepartureDate").value==null)||(document.getElementById("DepartureDate").value=="")){

		alert("Please select departure date.");

		document.getElementById("DepartureDate").focus();

		return false;

	}

	

    document.Form1.action ='http://reservation.comancheinternational.com/Reservations/Availability.do';

    document.Form1.method = 'post';

    document.Form1.submit();

}



function ValidateBookingFormVie()

{

    if ((document.getElementById("ArrivalDate").value==null)||(document.getElementById("ArrivalDate").value=="")){

		alert("Vui lòng chÍn ngày 
¿n.");

		document.getElementById("ArrivalDate").focus();

		return false;

	}

    if ((document.getElementById("DepartureDate").value==null)||(document.getElementById("DepartureDate").value=="")){

		alert("Vui lòng chÍn ngày 
i.");

		document.getElementById("DepartureDate").focus();

		return false;

	}

	else{

        document.Form1.action ='http://reservation.comancheinternational.com/Reservations/Availability.do';

        document.Form1.method = 'post';

        document.Form1.submit();

    }

}