function ChkAddCategory(){
	var CategoryNameE = frmAddCategory.txtCategoryNameE.value;
	var CategoryType = frmAddCategory.cboType.options[frmAddCategory.cboType.selectedIndex].value;

	if (CategoryNameE.length == 0){
		alert("Chua nhap ten tieng Anh!");
		frmAddCategory.txtCategoryNameE.focus();
		return;		
	}

	if (CategoryType.length == 0){
		alert("Chua chon loai thiet bi!");
		frmAddCategory.cboType.focus();
		return;		
	}
	
		frmAddCategory.submit();
}

function ChkAddCategoryNews(){
	var CategoryNewsNameE = frmAddCategoryNews.txtCategoryNewsNameE.value;

	if (CategoryNewsNameE.length == 0){
		alert("Chua nhap ten nhom tin!");
		frmAddCategoryNews.txtCategoryNewsNameE.focus();
		return;		
	}	
	
		frmAddCategoryNews.submit();
}

function ChkAddMenu(){
	var MenuNameE = frmAddMenu.txtMenuNameE.value;

	if (MenuNameE.length == 0){
		alert("Chua nhap ten Menu!");
		frmAddMenu.txtMenuNameE.focus();
		return;		
	}	
	
		frmAddMenu.submit();
}

function checkUploadProduct(){

  var CategoryID = up1.cboCategoryID.options[up1.cboCategoryID.selectedIndex].value;
  var ProductName = document.up1.txtMenuName.value;
  var MenuID = up1.cboMenuID.options[up1.cboMenuID.selectedIndex].value;   
   
  if (CategoryID.length == 0){
	  alert("Chon Menu chinh!");
	  up1.cboMenuID.focus();
	  return;		
  }
  if (MenuID.length == 0){
	  alert("Chon loai san pham!");
	  up1.cboMenuID.focus();
	  return;		
  }
  if (MenuName.length == 0){
	  alert("Nhap ten Sub Menu!");
	  up1.txtMenuName.focus();
	  return;		
  }
      document.up1.submit();
}


//------------------------------------------------------------------------------------
function changeImage()
	
	{ 
	   form.txtFileName.value = form.cboImages.options[form.cboImages.selectedIndex].value;
	   form.txtImageTitle.value = form.cboImages.options[form.cboImages.selectedIndex].text;
	   editor_insertHTML('comment',form.txtFileName.value)
	}
//------------------------------------------------------------
	_editor_url = "";                     
	var win_ie_ver = parseFloat(navigator.appVersion.split("MSIE")[1]);
	if (navigator.userAgent.indexOf('Mac')        >= 0) { win_ie_ver = 0; }
	if (navigator.userAgent.indexOf('Windows CE') >= 0) { win_ie_ver = 0; }
	if (navigator.userAgent.indexOf('Opera')      >= 0) { win_ie_ver = 0; }
	if (win_ie_ver >= 5.5) {
	document.write('<scr' + 'ipt src="' +_editor_url+ '../js/editor.js"');
	document.write(' language="Javascript1.2"></scr' + 'ipt>');  
	} else { document.write('<scr'+'ipt>function editor_generate() { return false; }</scr'+'ipt>'); }

//-------------------------------------------------------------
//			CAP NHAT ANH
//-------------------------------------------------------------
function checkUploadImage(){
  var Title = document.up1.Title.value;
  var file = document.up1.file.value;
  
  
  if (Title.length == 0){
	  alert("Nhap tieu de!");
	  up1.Title.focus();
	  return;		
  }
  if (file.length != 0){
	  var controlName = document.up1.file;
	  checkOneFileUpload(controlName,'GIF,JPG,JPEG,BMP,PNG',true,200,'','','','','ImageWidth','ImageHeight')
	  //return;		
  }else
  {
	  alert("Chua chon file upload!");
	  up1.file.focus();
	  return;	
  }
      document.up1.submit();
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkFileUpload(form,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  for (var i = 0; i<form.elements.length; i++) {
    field = form.elements[i];
    if (field.type.toUpperCase() != 'FILE') continue;
    checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
	} 
changeSrc();
}
//Validate
function checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  if (extensions != '') var re = new RegExp("\.(" + extensions.replace(/,/gi,"|").replace(/s/gi,"") + ")$","i");
    if (field.value == '') {
      if (requireUpload) {alert('Chua chon file upload!');document.MM_returnValue = false;field.focus();return;}
    } else {
      if(extensions != '' && !re.test(field.value)) {
        alert('Khong the upload file nay.\nChi cho phep nhung kieu file la: ' + extensions + '.\nHay chon mot file khac.');
        //ducument.up1.file.value ='';
        document.MM_returnValue = false;file.focus();return;
      }
    document.PU_uploadForm = field.form;
    re = new RegExp(".(gif|jpg|png|bmp|jpeg)$","i");
    if(re.test(field.value) && (sizeLimit != '' || minWidth != '' || minHeight != '' || maxWidth != '' || maxHeight != '' || saveWidth != '' || saveHeight != '')) {
      checkImageDimensions(field,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
    } }
}

function showImageDimensions(fieldImg) { //v2.08
  var isNS6 = (!document.all && document.getElementById ? true : false);
  var img = (fieldImg && !isNS6 ? fieldImg : this);
  if ((img.minWidth != '' && img.minWidth > img.width) || (img.minHeight != '' && img.minHeight > img.height)) {
    alert('Chieu cao va do rong qua nho!\nChieu cao va do rong nho nhat la: ' + img.minWidth + ' x ' + img.minHeight); return;}
  if ((img.maxWidth != '' && img.width > img.maxWidth) || (img.maxHeight != '' && img.height > img.maxHeight)) {
    alert('Chieu cao va do rong qua lon!\nChieu cao va do rong lon nhat la: ' + img.maxWidth + ' x ' + img.maxHeight); return;}
  if (img.sizeLimit != '' && img.fileSize > img.sizeLimit) {
    alert('Kich thuoc file qua lon!\nNen upload file co do lon nhat la: ' + (img.sizeLimit/1024) + ' KBytes'); return;}
  if (img.saveWidth != '') document.PU_uploadForm[img.saveWidth].value = img.width;
  if (img.saveHeight != '') document.PU_uploadForm[img.saveHeight].value = img.height;
  document.MM_returnValue = true;
}

function checkImageDimensions(field,sizeL,minW,minH,maxW,maxH,saveW,saveH) { //v2.08
  if (!document.layers) {
    var isNS6 = (!document.all && document.getElementById ? true : false);
    document.MM_returnValue = false; var imgURL = 'file:///' + field.value.replace(/\\/gi,'/');
    if (!field.gp_img || (field.gp_img && field.gp_img.src != imgURL) || isNS6) {field.gp_img = new Image();
		   with (field) {gp_img.sizeLimit = sizeL*1024; gp_img.minWidth = minW; gp_img.minHeight = minH; gp_img.maxWidth = maxW; gp_img.maxHeight = maxH;
  	   gp_img.saveWidth = saveW; gp_img.saveHeight = saveH; gp_img.onload = showImageDimensions; gp_img.src = imgURL; }
	 } else showImageDimensions(field.gp_img);}
}
//-------------------------------------------
function loginSys(){
   document.frmLogin.passYear.value="2005";
   document.frmLogin.passEncode.value="00";
   document.frmLogin.action="verify.asp";
   document.frmLogin.submit();
}
//--------------------------------------------
// FUNCTION CHECK UPLOAD PRODUCT
//-------------------------------------------
function checkUploadProduct(){

  var CategoryID = up1.cboCategoryID.options[up1.cboCategoryID.selectedIndex].value;
  var ProductName = document.up1.txtProductName.value;
  var ListCost = document.up1.txtListCost.value;
  var RessellerCost = document.up1.txtRessellerCost.value;
  var file = document.up1.file.value;
  var ProductDescription = document.up1.txtProductDescription.value; 
   
   
  if (CategoryID.length == 0){
	  alert("Chon loai san pham!");
	  up1.cboCategoryID.focus();
	  return;		
  }
  if (ProductName.length == 0){
	  alert("Nhap ten san pham!");
	  up1.txtProductName.focus();
	  return;		
  }
  
  if (ListCost.length == 0){
	  alert("Nhap gia list!");
	  up1.txtListCost.focus();
	  return;		
  }else{
	if (!isFinite(ListCost)){
		alert("Gia san pham phai la kieu so!");
		up1.txtListCost.value='';
		up1.txtListCost.focus();
		return;
	}
  }
 
  if (RessellerCost.length == 0){
	  alert("Nhap gia Resseller!");
	  up1.txtRessellerCost.focus();
	  return;		
  }else{
	if (!isFinite(RessellerCost)){
		alert("Gia san pham phai la kieu so!");
		up1.txtRessellerCost.value='';
		up1.txtRessellerCost.focus();
		return;
	}
  }
    
  if (ProductDescription.length == 0){
	  alert("Nhap mo ta san pham!");
	  up1.txtProductDescription.focus();
	  return;		
  }  
    
  if (file.length != 0){
	  var controlName = document.up1.file;
	  checkOneFileUpload(controlName,'GIF,JPG,JPEG,BMP,PNG',true,200,'','','','','ImageWidth','ImageHeight')
  }
  else
  {
  	  alert("Chon anh san pham!");
  	  up1.file.focus();
	  return;	
  }
      document.up1.submit();
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkFileUpload(form,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  for (var i = 0; i<form.elements.length; i++) {
    field = form.elements[i];
    if (field.type.toUpperCase() != 'FILE') continue;
    checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
	} 
changeSrc();
}
//Validate
function checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  if (extensions != '') var re = new RegExp("\.(" + extensions.replace(/,/gi,"|").replace(/s/gi,"") + ")$","i");
    if (field.value == '') {
      if (requireUpload) {alert('Chua chon file upload!');document.MM_returnValue = false;field.focus();return;}
    } else {
      if(extensions != '' && !re.test(field.value)) {
        alert('Khong the upload file nay.\nChi cho phep nhung kieu file la: ' + extensions + '.\nHay chon mot file khac.');
        //ducument.up1.file.value ='';
        document.MM_returnValue = false;file.focus();return;
      }
    document.PU_uploadForm = field.form;
    re = new RegExp(".(gif|jpg|png|bmp|jpeg)$","i");
    if(re.test(field.value) && (sizeLimit != '' || minWidth != '' || minHeight != '' || maxWidth != '' || maxHeight != '' || saveWidth != '' || saveHeight != '')) {
      checkImageDimensions(field,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
    } }
}

function showImageDimensions(fieldImg) { //v2.08
  var isNS6 = (!document.all && document.getElementById ? true : false);
  var img = (fieldImg && !isNS6 ? fieldImg : this);
  if ((img.minWidth != '' && img.minWidth > img.width) || (img.minHeight != '' && img.minHeight > img.height)) {
    alert('Chieu cao va do rong qua nho!\nChieu cao va do rong nho nhat la: ' + img.minWidth + ' x ' + img.minHeight); return;}
  if ((img.maxWidth != '' && img.width > img.maxWidth) || (img.maxHeight != '' && img.height > img.maxHeight)) {
    alert('Chieu cao va do rong qua lon!\nChieu cao va do rong lon nhat la: ' + img.maxWidth + ' x ' + img.maxHeight); return;}
  if (img.sizeLimit != '' && img.fileSize > img.sizeLimit) {
    alert('Kich thuoc file qua lon!\nNen upload file co do lon nhat la: ' + (img.sizeLimit/1024) + ' KBytes'); return;}
  if (img.saveWidth != '') document.PU_uploadForm[img.saveWidth].value = img.width;
  if (img.saveHeight != '') document.PU_uploadForm[img.saveHeight].value = img.height;
  document.MM_returnValue = true;
}

function checkImageDimensions(field,sizeL,minW,minH,maxW,maxH,saveW,saveH) { //v2.08
  if (!document.layers) {
    var isNS6 = (!document.all && document.getElementById ? true : false);
    document.MM_returnValue = false; var imgURL = 'file:///' + field.value.replace(/\\/gi,'/');
    if (!field.gp_img || (field.gp_img && field.gp_img.src != imgURL) || isNS6) {field.gp_img = new Image();
		   with (field) {gp_img.sizeLimit = sizeL*1024; gp_img.minWidth = minW; gp_img.minHeight = minH; gp_img.maxWidth = maxW; gp_img.maxHeight = maxH;
  	   gp_img.saveWidth = saveW; gp_img.saveHeight = saveH; gp_img.onload = showImageDimensions; gp_img.src = imgURL; }
	 } else showImageDimensions(field.gp_img);}
}
//--------------------------------------------
// FUNCTION CHECK UPLOAD ADV
//-------------------------------------------
function checkUploadAdv(){
  var Path = document.up1.txtPath.value;
  var file = document.up1.file.value;
   
  if (Path.length == 0){
	  alert("Nhap duong dan den trang quang cao!");
	  up1.txtPath.focus();
	  return;		
  }
  
  if (file.length != 0){
	  var controlName = document.up1.file;
	  checkOneFileUpload(controlName,'GIF,JPG,JPEG,BMP,PNG',true,200,'','','','','ImageWidth','ImageHeight')
  }
  else
  {
  	  alert("Chua chon file upload!");
  	  up1.file.focus();
	  return;	
  }
      document.up1.submit();
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkFileUpload(form,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  for (var i = 0; i<form.elements.length; i++) {
    field = form.elements[i];
    if (field.type.toUpperCase() != 'FILE') continue;
    checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
	} 
changeSrc();
}
//Validate
function checkOneFileUpload(field,extensions,requireUpload,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight) { //v2.08
  document.MM_returnValue = true;
  if (extensions != '') var re = new RegExp("\.(" + extensions.replace(/,/gi,"|").replace(/s/gi,"") + ")$","i");
    if (field.value == '') {
      if (requireUpload) {alert('Chua chon file upload!');document.MM_returnValue = false;field.focus();return;}
    } else {
      if(extensions != '' && !re.test(field.value)) {
        alert('Khong the upload file nay.\nChi cho phep nhung kieu file la: ' + extensions + '.\nHay chon mot file khac.');
        //ducument.up1.file.value ='';
        document.MM_returnValue = false;file.focus();return;
      }
    document.PU_uploadForm = field.form;
    re = new RegExp(".(gif|jpg|png|bmp|jpeg)$","i");
    if(re.test(field.value) && (sizeLimit != '' || minWidth != '' || minHeight != '' || maxWidth != '' || maxHeight != '' || saveWidth != '' || saveHeight != '')) {
      checkImageDimensions(field,sizeLimit,minWidth,minHeight,maxWidth,maxHeight,saveWidth,saveHeight);
    } }
}

function showImageDimensions(fieldImg) { //v2.08
  var isNS6 = (!document.all && document.getElementById ? true : false);
  var img = (fieldImg && !isNS6 ? fieldImg : this);
  if ((img.minWidth != '' && img.minWidth > img.width) || (img.minHeight != '' && img.minHeight > img.height)) {
    alert('Chieu cao va do rong qua nho!\nChieu cao va do rong nho nhat la: ' + img.minWidth + ' x ' + img.minHeight); return;}
  if ((img.maxWidth != '' && img.width > img.maxWidth) || (img.maxHeight != '' && img.height > img.maxHeight)) {
    alert('Chieu cao va do rong qua lon!\nChieu cao va do rong lon nhat la: ' + img.maxWidth + ' x ' + img.maxHeight); return;}
  if (img.sizeLimit != '' && img.fileSize > img.sizeLimit) {
    alert('Kich thuoc file qua lon!\nNen upload file co do lon nhat la: ' + (img.sizeLimit/1024) + ' KBytes'); return;}
  if (img.saveWidth != '') document.PU_uploadForm[img.saveWidth].value = img.width;
  if (img.saveHeight != '') document.PU_uploadForm[img.saveHeight].value = img.height;
  document.MM_returnValue = true;
}

function checkImageDimensions(field,sizeL,minW,minH,maxW,maxH,saveW,saveH) { //v2.08
  if (!document.layers) {
    var isNS6 = (!document.all && document.getElementById ? true : false);
    document.MM_returnValue = false; var imgURL = 'file:///' + field.value.replace(/\\/gi,'/');
    if (!field.gp_img || (field.gp_img && field.gp_img.src != imgURL) || isNS6) {field.gp_img = new Image();
		   with (field) {gp_img.sizeLimit = sizeL*1024; gp_img.minWidth = minW; gp_img.minHeight = minH; gp_img.maxWidth = maxW; gp_img.maxHeight = maxH;
  	   gp_img.saveWidth = saveW; gp_img.saveHeight = saveH; gp_img.onload = showImageDimensions; gp_img.src = imgURL; }
	 } else showImageDimensions(field.gp_img);}
}
//-------------------------VALIDATE FORM TUYEN DUNG-----------------------------   

function validRecruitment(){
	ngay = frmRecruitment.cmbNgay.options[frmRecruitment.cmbNgay.selectedIndex].text;
    thang = frmRecruitment.cmbThang.options[frmRecruitment.cmbThang.selectedIndex].text;
    gt = frmRecruitment.cmbGioitinh.options[frmRecruitment.cmbGioitinh.selectedIndex].text;
	
	if (frmRecruitment.txtHoten.value == 0){
		alert("Enter your name!");
		frmRecruitment.txtHoten.focus();
		return;		
	}
	
	if (ngay == 0){
		alert("Select day of your birthday!");
		frmRecruitment.cmbNgay.focus();
		return;		
	}
	
	if (thang == 0){
		alert("Select month of your birthday!");
		frmRecruitment.cmbThang.focus();
		return;		
	}
	
	if (frmRecruitment.txtNam.value == 0){
		alert("Enter year of your birthday");
		frmRecruitment.txtNam.focus();
		return;		
	}else
	{	
	    if(!isFinite(frmRecruitment.txtNam.value)){
			alert("Year of birthday must to be number!");
			frmRecruitment.txtNam.value="";
			frmRecruitment.txtNam.focus();
			return;
		}
	}
	
	if (gt == 0){
		alert("Select your sex!");
		frmRecruitment.cmbGioitinh.focus();
		return;		
	}
	
	if (frmRecruitment.txtDiachi.value == 0){
		alert("Enter your add!");
		frmRecruitment.txtDiachi.focus();
		return;		
	}
	if (frmRecruitment.txtDienthoai.value == 0){
		alert("Enter your phone number!");
		frmRecruitment.txtDienthoai.focus();
		return;		
	}
	
	if (frmRecruitment.txtEmail.value == 0){
		alert("Enter your email!");
		frmRecruitment.txtEmail.focus();
		return;		
	}else
	{   var Email = frmRecruitment.txtEmail.value;
		at=Email.indexOf("@")
		if(at<0){
			alert("Dia chi E-Mail khong dung");
			frmRecruitment.txtEmail.focus();
			return;
	     }    
	
	}
	if (frmRecruitment.txtComment.value == 0){
		alert("Enter comment!");
		frmRecruitment.txtComment.focus();
		return;		
	}
	
		frmRecruitment.submit();
	
	}
	
//====================== validate form contact======================
function validContact(){
	
	if (frmContact.txtFullName.value == 0){
		alert("Enter your name!");
		frmContact.txtFullName.focus();
		return;		
	}
	
	if (frmContact.txtAdd.value == 0){
		alert("Enter your address!");
		frmContact.txtAdd.focus();
		return;		
	}
	
	if (frmContact.txtPhone.value == 0){
		alert("Enter your phone number!");
		frmContact.txtPhone.focus();
		return;		
	}
	
	if (frmContact.txtEmail.value == 0){
		alert("Enter your email!");
		frmContact.txtEmail.focus();
		return;		
	}else
	{   var Email = frmContact.txtEmail.value;
		at=Email.indexOf("@")
		if(at<0){
			alert("E-Mail is not invalid!");
			frmContact.txtEmail.focus();
			return;
	     }    
	
	}
	if (frmContact.txtComment.value == 0){
		alert("Enter comment!");
		frmContact.txtComment.focus();
		return;		
	}
	
		frmContact.submit();
	
	}


function validateContactUs() {
	if (!(isNotEmpty(document.feedback.fbSender)&&isNotEmpty(document.feedback.fbPhone)&&isNotEmpty(document.feedback.fbEmail)&&isNotEmpty(document.feedback.fbContent))) {
		alert("Hãy nhập đầy đủ thông tin.");
		return false;
	} else {		
		document.feedback.FormAction.value="insert";
		return true;
	}
}

function validateOrder() {
	if (!(isNotEmpty(document.formOrder.fbSender)&&isNotEmpty(document.formOrder.fbPhone)&&isNotEmpty(document.formOrder.fbEmail)&&isNotEmpty(document.formOrder.fbAdd))) {
		alert("Hãy nhập đầy đủ thông tin.");
		return false;
	} else {		
		document.validateOrder.FormAction.submit();
		return true;
	}
}

function validatePCOrder() {
	if (!(isNotEmpty(document.frmPCOrder.txtName)&&isNotEmpty(document.frmPCOrder.txtPhone)&&isNotEmpty(document.frmPCOrder.txtEmail)&&isNotEmpty(document.frmPCOrder.txtAdd))) {
		alert("Hãy nhập đầy đủ thông tin.");
		return false;
	} else {		
		document.validatePCOrder.FormAction.submit();
		return true;
	}
}

function isNotEmpty(elem) {
    var str = elem.value;
    var re = /.+/;
    if(!str.match(re)) {
        return false;
    } else {
        return true;
    }
}

function validateLoginForm(login) {
	var err="";
	if (!isUsername(document.login.mbUsername)) {
		err += "Tên truy nhập phải từ 3 đến 32 kí tự.\n";
	}
	if (!isPassword(document.login.mbPassword)) {
		err += "Mật khẩu phải từ 6 đến 50 kí tự.\n";
	}
	if (err=="") return true;
	else {
		alert(err);
		return false;
	}
}
function isUsername(elem) {
    var str = elem.value;
    if (str.length < 3 || str.length > 32) {
        return false;
    } else {
        return true;
    }
}
function isPassword(elem) {
	var str = elem.value;
    if (str.length < 6 || str.length > 50) {
        return false;
    } else {
        return true;
    }
}
function isEmailAddr(subEmail) {
    var str = document.all.subEmail.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
		alert("Địa chỉ email không đúng chuẩn.");
		//document.subscribe.subEmail.focus();
        return false;
    } else return true;
}
function isNumber(elem) {
    var str = elem.value;
    var oneDecimal = false;
    var oneChar = 0;
    // make sure value hasn't cast to a number data type
    str = str.toString( );
    for (var i = 0; i < str.length; i++) {
        oneChar = str.charAt(i).charCodeAt(0);
        if (oneChar < 48 || oneChar > 57) return false;
    }
    return true;
}
function isNotEmpty(elem) {
    var str = elem.value;
    var re = /.+/;
    if(!str.match(re)) {
        return false;
    } else {
        return true;
    }
}

function validateEditForm(member) {
    var err ="";
	if (!(isNotEmpty(document.member.mbUsername)&&isNotEmpty(document.member.mbName)&&isNotEmpty(document.member.mbAddress )&&isNotEmpty(document.member.mbPhone)&&isNotEmpty(document.member.mbEmail))) {
        alert("Hãy điền đầy đủ thông tin.\n");
		return false;
	}
    if (!isEmailAddr(document.member.mbEmail)) {
		err += "Địa chỉ email không đúng chuẩn.\n";
	}
    if (!isNumber(document.member.mbPhone)) {
		err += "Số điện thoại chỉ gồm toàn số.\n";
    }
	if (err=="") {
		document.member.FormAction.value="update";
		return true;
	} else {
		alert(err);
		return false;
	}
}

function validatePassForm(member) {
	var err ="";
	if (!(isPassword(document.member.mbPassword)&&isPassword(document.member.newPassword))) {
		err += "Mật khẩu phải từ 6 đến 32 kí tự.\n";
	}
	if (document.member.newPassword.value!=document.member.newPassword2.value) {
			err += "Xác nhận mật khẩu sai.\n";
	}
	if (err=="") {
		document.member.FormAction.value="pass";
		return true;
	} else {
		alert(err);
		return false;
	}
}

function isPassword(elem) {
	var str = elem.value;
    if (str.length < 6 || str.length > 50) {
        return false;
    } else {
        return true;
    }
}
function isNumber(elem) {
    var str = elem.value;
    var oneDecimal = false;
    var oneChar = 0;
    // make sure value hasn't cast to a number data type
    str = str.toString( );
    for (var i = 0; i < str.length; i++) {
        oneChar = str.charAt(i).charCodeAt(0);
        if (oneChar < 48 || oneChar > 57) return false;
    }
    return true;
}
function isEmailAddr(elem) {
    var str = elem.value;
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        return false;
    } else {
        return true;
    }
}

function validateRegForm(register) {
    var err ="";
	if (!(isNotEmpty(document.register.mbPassword)&&isNotEmpty(document.register.mbPassword2)&&isNotEmpty(document.register.mbUsername)&&isNotEmpty(document.register.mbName)&&isNotEmpty(document.register.mbAddress )&&isNotEmpty(document.register.mbPhone)&&isNotEmpty(document.register.mbEmail))) {
        alert("Hãy điền đầy đủ thông tin.\n");
		return false;
	}
	if (!isUsername(document.login.mbUsername)) {
		err += "Tên truy nhập phải từ 3 đến 32 kí tự.\n";
	}
	if (!isPassword(document.login.mbPassword)) {
		err += "Mật khẩu phải từ 6 đến 50 kí tự.\n";
	}
    	if (!(isPassword(document.register.mbPassword)&&isPassword(document.register.newPassword))) {
		err += "Mật khẩu phải từ 6 đến 32 kí tự.\n";
	}
	if (document.register.newPassword.value!=document.register.newPassword2.value) {
			err += "Xác nhận mật khẩu sai.\n";
	}
    	if (!isEmailAddr(document.register.mbEmail)) {
		err += "Địa chỉ email không đúng chuẩn.\n";
	}
    	if (!isNumber(document.register.mbPhone)) {
		err += "Số điện thoại chỉ gồm toàn số.\n";
    	}
	if (err=="") {
		document.register.FormAction.value="update";
		return true;
	} else {
		alert(err);
		return false;
	}
}

function frmOrderCheck()	{
		if ((document.frmOrder.txtName.value == "") || (document.frmOrder.txtName.length == 0))
		{
			alert("Bạn chưa gõ tên đầy đủ");
			document.frmOrder.txtName.focus();
			return false;
		}
		if ((document.frmOrder.txtPhone.value == "") || (document.frmOrder.txtPhone.length == 0))
		{
			alert("Bạn chưa gõ số đt liên lạc");
			document.frmOrder.txtPhone.focus();
			return false;
		}
		if ((document.frmOrder.txtAdd.value == "") || (document.frmOrder.txtAdd.length == 0))
		{
			alert("Bạn chưa gõ số địa chỉ liên lạc");
			document.frmOrder.txtAdd.focus();
			return false;
		}
	}