//Tao combobox chuyen trang trong phan phan trang
/***********************************************
* Drop down menu w/ description- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

function displaydesc(which, container){
if (document.getElementById)
document.getElementById(container).innerHTML=descriptionarray[which.selectedIndex]
}

function jumptolink(what){
var selectedopt=what.options[what.selectedIndex]
if (document.getElementById && selectedopt.getAttribute("target")=="newwin")
window.open(selectedopt.value)
else
window.location=selectedopt.value
}
//Ket thuc tao combobox chuyen trang trong phan phan trang

/*===Kiem tra nhap lieu===*/
//email
var pattern=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;

//kiem tra form nhap lieu Lien he
function testfrmcontact()
{
	if(document.frmcontact.hoten.value =="")
	{
		alert("Name is empty!");
		document.frmcontact.hoten.focus();
		return false;
	}
	if(document.frmcontact.email.value =="")
	{
		alert("Email is empty!");
		document.frmcontact.email.focus();
		return false;
	}
	if (!frmcontact.email.value.match(pattern))
	{
		alert("Email is invalid!");
		document.frmcontact.email.focus();
		return false;
	}
	if(document.frmcontact.diachi.value =="")
	{
		alert("Address is empty!");
		document.frmcontact.diachi.focus();
		return false;
	}
	if(document.frmcontact.tieude.value =="")
	{
		alert("Subject is empty!");
		document.frmcontact.tieude.focus();
		return false;
	}
	if(document.frmcontact.noidung.value =="")
	{
		alert("Content is empty!");
		document.frmcontact.noidung.focus();
		return false;
	}
}

//kiem tra hinh anh nuoc cap - nuoc thai dang xay dung
function testfrmimaging()
{
	if(document.frmimaging.userfile.value =="")
	{
		alert("Ban chua chon hinh anh!");
		document.frmimaging.userfile.focus();
		return false;
	}
	if(document.frmimaging.ghichu.value =="")
	{
		alert("Ban chua nhap ghi chu!");
		document.frmimaging.ghichu.focus();
		return false;
	}
	if(document.frmimaging.phanloai.value =="-1")
	{
		alert("Ban chua chon phan loai cong trinh!");
		document.frmimaging.phanloai.focus();
		return false;
	}
}

//kiem tra hinh anh nuoc cap - nuoc thai tieu bieu
function testfrmimages()
{
	if(document.frmimages.userfile.value =="")
	{
		alert("Ban chua chon hinh anh!");
		document.frmimages.userfile.focus();
		return false;
	}
	if(document.frmimages.ghichu.value =="")
	{
		alert("Ban chua nhap ghi chu!");
		document.frmimages.ghichu.focus();
		return false;
	}
	if(document.frmimages.phanloai.value =="-1")
	{
		alert("Ban chua chon phan loai cong trinh!");
		document.frmimages.phanloai.focus();
		return false;
	}
}

//kiem tra tin tuc
function testfrmnews()
{
	if(document.frmnews.tieude.value =="")
	{
		alert("Ban chua nhap chu de!");
		document.frmnews.tieude.focus();
		return false;
	}
}


//kiem tra bang tai van chuyen hang hoa
function testfrmconveyor()
{
	if(document.frmconveyor.chudautu.value =="")
	{
		alert("Ban chua nhap chu dau tu!");
		document.frmconveyor.chudautu.focus();
		return false;
	}
	
	if(document.frmconveyor.diadiem.value =="")
	{
		alert("Ban chua nhap dia diem cong trinh!");
		document.frmconveyor.diadiem.focus();
		return false;
	}
	
	if(document.frmconveyor.congsuat.value =="-1")
	{
		alert("Ban chua chon cong suat!");
		document.frmconveyor.congsuat.focus();
		return false;
	}
	if(document.frmconveyor.ketqua.value =="")
	{
		alert("Ban chua nhap ket qua!");
		document.frmconveyor.ketqua.focus();
		return false;
	}
}

//kiem tra cong trinh nuoc thai
function testfrmwastewater()
{
	if(document.frmwastewater.chudautu.value =="")
	{
		alert("Ban chua nhap chu dau tu!");
		document.frmwastewater.chudautu.focus();
		return false;
	}
	
	if(document.frmwastewater.diadiem.value =="")
	{
		alert("Ban chua nhap dia diem cong trinh!");
		document.frmwastewater.diadiem.focus();
		return false;
	}
	
	if(document.frmwastewater.congsuat.value =="-1")
	{
		alert("Ban chua chon cong suat!");
		document.frmwastewater.congsuat.focus();
		return false;
	}
	if(document.frmwastewater.ketqua.value =="")
	{
		alert("Ban chua nhap ket qua!");
		document.frmwastewater.ketqua.focus();
		return false;
	}
}

//kiem tra cong trinh nuoc cap
function testfrmwater()
{
	if(document.frmwater.chudautu.value =="")
	{
		alert("Ban chua nhap chu dau tu!");
		document.frmwater.chudautu.focus();
		return false;
	}
	
	if(document.frmwater.diadiem.value =="")
	{
		alert("Ban chua nhap dia diem cong trinh!");
		document.frmwater.diadiem.focus();
		return false;
	}
	
	if(document.frmwater.congsuat.value =="-1")
	{
		alert("Ban chua chon cong suat!");
		document.frmwater.congsuat.focus();
		return false;
	}
	if(document.frmwater.ketqua.value =="")
	{
		alert("Ban chua nhap ket qua!");
		document.frmwater.ketqua.focus();
		return false;
	}
}

//Kiem tra tu van thiet ke cac he thong xu ly moi truong
function testfrmconsultancy()
{
	if(document.frmconsultancy.tomtat.value =="")
	{
		alert("Ban chua nhap tom tat!");
		document.frmconsultancy.tomtat.focus()
		return false;
	}
	
	if(document.frmconsultancy.noidung.value =="")
	{
		alert("Ban chua nhap noi dung!");
		document.frmconsultancy.noidung.focus()
		return false;
	}
}
//Kiem tra  danh gia tac dong moi truong
function testfrmdtm()
{
	if(document.frmdtm.tomtat.value=="")
	{
		alert("Ban chua nhap tom tat!");
		document.frmdtm.tomtat.focus();
		return false;
	}
	
	if(document.frmdtm.noidung.value=="")
	{
		alert("Ban chua nhap noi dung!");
		document.frmdtm.noidung.focus();
		return false;
	}
	
	if(document.frmdtm.diaphuong.value=="-1")
	{
		alert("Ban chua chon dia phuong!");
		document.frmdtm.diaphuong.focus();
		return false;
	}
	
	if(document.frmdtm.linhvuc.value=="-1")
	{
		alert("Ban chua chon linh vuc hoat dong!");
		document.frmdtm.linhvuc.focus();
		return false;
	}
}

//Kiem tra  vi sinh xu ly moi truong
function testfrmmicrobiology()
{
	if(document.frmmicrobiology.tieude.value=="")
	{
		alert("Ban chua nhap chu de vi sinh xu ly moi truong!");
		document.frmmicrobiology.tieude.focus();
		return false;
	}
	
	if(document.frmmicrobiology.tieude_en.value=="")
	{
		alert("Ban chua nhap chu de tieng anh vi sinh xu ly moi truong!");
		document.frmmicrobiology.tieude_en.focus();
		return false;
	}
	
	if(document.frmmicrobiology.phanloai.value=="-1")
	{
		alert("Ban chua chon phan loai vi sinh!");
		document.frmmicrobiology.phanloai.focus();
		return false;
	}
}

//Kiem tra phan loai vi sinh
function testfrmclassicmicrobiology()
{
	if(document.frmclassicmicrobiology.malinhvuc.value=="")
	{
		alert("Ban chua nhap ma loai vi sinh!");
		document.frmclassicmicrobiology.maloaivisinh.focus();
		return false;
	}
	if(document.frmclassicmicrobiology.tenloaivisinh.value=="")
	{
		alert("Ban chua nhap ten loai vi sinh!");
		document.frmclassicmicrobiology.tenloaivisinh.focus();
		return false;
	}
}

//Kiem tra linh vuc hoat dong
function testfrmfields()
{
	if(document.frmfields.malinhvuc.value=="")
	{
		alert("Ban chua nhap ma linh vuc hoat dong!");
		document.frmfields.malinhvuc.focus();
		return false;
	}
	if(document.frmfields.tenlinhvuc.value=="")
	{
		alert("Ban chua nhap ten linh vuc hoat dong!");
		document.frmfields.tenlinhvuc.focus();
		return false;
	}
}

//Kiem tra tinh thanh (dia phuong)
function testfrmprovince()
{
	if(document.frmprovince.matinh.value=="")
	{
		alert("Ban chua nhap ma dia phuong!");
		document.frmprovince.matinh.focus();
		return false;
	}
	if(document.frmprovince.tentinh.value=="")
	{
		alert("Ban chua nhap ten dia phuong!");
		document.frmprovince.tentinh.focus();
		return false;
	}
}

//Xac nhan dung de xoa 1 mau tin
function confirmDelete(data, delete_link)
{
	if(confirm('Ban chac chan xoa \"' + data + '\" phai khong?'))
	
		window.location = delete_link;
}

//========Hien thi ngay thang nam trong tieng viet=======//
function showdateVN()
{
	var dt = new Date();
	var strMonth = new Array("Tháng 1","Tháng 2","Tháng 3","Tháng 4","Tháng 5","Tháng 6","Tháng 7","Tháng 8","Tháng 9","Tháng 10","Tháng 11","Tháng 12"); 
	var strDay = new Array("Chủ Nhật","Thứ Hai","Thứ Ba","Thứ Tư","Thứ Năm","Thứ Sáu","Thứ Bảy");
	var date = "<span class='showDate'>" + strDay[dt.getDay()] + ", ";
	var years = dt.getYear();
	if(years<1900)
		years += 1900;
	return (date += "Ng&#224;y " + dt.getDate() + " " + strMonth[dt.getMonth()] + " N&#259;m " + years + "</span>");
}

//========Hien thi ngay thang nam trong tieng anh=======//
function showdateEN()
{
	var dt = new Date();
	var strMonth = new Array("January","February","March","April","May","June","July","August","September","October","November","December"); 
	var strDay = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
	var date = "<span class='showDate'>" + strDay[dt.getDay()] + ", ";
	var years = dt.getYear();
	if(years<1900)
		years += 1900;
	return (date += strMonth[dt.getMonth()] + " " + dt.getDate() + ", " + years + "</span>");
}

//kiem tra form dang ky thanh vien
function testfrmdangky()
{
	if(document.frmdangky.taikhoan.value == "")
	{
		alert("Ban chua nhap ten tai khoan!");
		document.frmdangky.taikhoan.focus();
		return false;
	}
	
	if(document.frmdangky.matkhau.value == "")
	{
		alert("Ban chua nhap mat khau!");
		document.frmdangky.matkhau.focus();
		return false;
	}
	
	if(document.frmdangky.matkhau1.value != document.frmdangky.matkhau.value)
	{
		alert("Mat khau xac nhan khong hop le!");
		document.frmdangky.matkhau1.focus();
		return false;
	}
	
	if(document.frmdangky.hoten.value == "")
	{
		alert("Ban chua nhap ho ten!");
		document.frmdangky.hoten.focus();
		return false;
	}
	
	if(document.frmdangky.namsinh.value == -1)
	{
		alert("Ban chua chon nam sinh!");
		document.frmdangky.namsinh.focus();
		return false;
	}
	
	if(document.frmdangky.email.value == "")
	{
		alert("Ban chua nhap dia chi email!");
		document.frmdangky.email.focus();
		return false;
	}
	
	//var pattern = /^[0-9a-zA-Z\-\.\_]+@[0-9a-zA-Z\-]+\.[0-9a-zA-Z\-\.]+$/;
	if (!frmdangky.email.value.match(pattern))
	{
		alert("Ban nhap email khong hop le!");
		document.frmdangky.email.focus();
		return false;
	}
}

//var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;

function checkmail(e, value1){
var returnval=emailfilter.test(e.value);
if (returnval==false){
value1.focus;
return false;
}
return returnval;
}