// JavaScript Document
	function ChangeMenu(fl,name,bg1,bg2)
	{
		if(fl==0)
		{
			document.getElementById(name).src=bg1;
		}
		else
		{
			document.getElementById(name).src=bg2;
		}
	}
	
	//function login
	function Login(obj)
	{
		var a,b;
		if(obj==1)
		{
			a=document.getElementById("txtEmail");
			b=document.getElementById("txtPassWord");
		}
		else			
		{
			a=document.frmloginB.txtEmail;
			b=document.frmloginB.txtPassWord;
		}
		if(a.value=="")
		{
			a.style.background="#FFFF00";
			b.style.background="#FFFFFF";
			document.getElementById("iderrlg").innerHTML="<?php $tD=$cB->GetControl('ERR.CNE',$nn); echo $tD->GetText(); ?>";
			return false;
		}
		else
			if(isInvalidEmail(a.value)==false)
			{
				a.style.background="#FFFF00";
				b.style.background="#FFFFFF";
				alert("Email don't format true!");
				document.getElementById("iderrlg").innerHTML="<?php $tD=$cB->GetControl('ERR.EKDDD',$nn); echo $tD->GetText(); ?>";
				return false;
			}
			else
				if(b.value=="")
				{
					a.style.background="#FFFFFF";
					b.style.background="#FFFF00";
					document.getElementById("iderrlg").innerHTML="";
					return false;
				}
				else
				{
					document.frmlogin.action="Login.php";
					document.frmlogin.submit();
					return true;
				}
		
	}
	//function back
	function RunBack()
	{
		window.history.go(-1);
	}
	//function check ameil
	function isInvalidEmail(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

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

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

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

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

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}
	//function LoginAdmin
	function LoginAdmin()
	{
		var a,b,c;
		a=document.frmloginadmin.txtUserName;
		b=document.frmloginadmin.txtPassWord;
		if(a.value=="")
		{
			a.style.background="#FFFF00";
			b.style.background="#FFFFFF";
			document.getElementById("iderrlg").innerHTML="Please, Input values of UserName";
			return false;
		}
		else
			if(b.value=="")
			{
				a.style.background="#FFFFFF";
				b.style.background="#FFFF00";
				document.getElementById("iderrlg").innerHTML="Please, Input values of PassWord";
				return false;
			}
			else
			{
				return true;
			}
	}
	//function action check all
	function CheckAll(obj)
	{
		var a=document.getElementsByName("ncheck[]");
		if(obj.checked==true)
		{
			for(var i=0;i<a.length;i++)
			{			
					a[i].checked=true;					
			}
		}
		else
		{
			for(var i=0;i<a.length;i++)
			{			
					a[i].checked=false;					
			}
		}
	}
	//function confirm delete
	function CheckDelete()
	{
		var a=confirm("you want to delete record checked!");
		if(a==true)
			return true;
		else
			return false;
	}
	//function test input value of data
	function test(obj)
	{
		if(document.getElementById("idTitleVN").value=="")
		{
			alert("You don't input value of "+obj+" VN");
			return false;
		}
		else
			if(document.getElementById("idTitleEN").value=="")
			{
				alert("You don't input value of "+obj+" EN");
				return false;
			}
			else
				return true;
	}
	
	//function action link website
	function LinkWeb(name,url)
	{		
		var lin=document.getElementById(name);
		lin.href=url;
		lin.link;
	}