function selectLoginType(){
var form=document.login;
	if(form.selectType.value=="1"){
		document.all["password_id"].style.display='block';
		document.all["username_id"].style.display='block';
		document.all["cardId_id"].style.display='none';
	}else if(form.selectType.value=="2"){
		document.all["password_id"].style.display='block';
		document.all["username_id"].style.display='block';
		document.all["cardId_id"].style.display='none';
	}else if(form.selectType.value=="3"){
		document.all["password_id"].style.display='block';
		document.all["username_id"].style.display='block';
		document.all["cardId_id"].style.display='none';
	}
}
function loginSubmit(){
var form=document.login;
	if(form.selectType.value=="4"){
		if (form.cardId.value==""){
				alert("หมายเลขบัตรประชาชน");
				form.cardId.focus();
		}else{
			window.open('../checkresult.asp?cardid=' +form.cardId.value + '','newwin','location=0,menubar=0,width=420,height=300')
			form.action="../checkresult.asp";
			form.submit();
		}
	}else{
		if (form.username.value==""){
			alert("username");
			form.username.focus();
		}
		else if(form.password.value=="")
		{
			alert("password");
			form.password.focus();
		}
		else{
		if(form.selectType.value=="1"){
			form.action="../login.asp";
		}else if(form.selectType.value=="2"){
			form.action="../loginsim.asp";
		}else if(form.selectType.value=="3"){
			return false;
		}
		form.submit();
		}
	}
}
function NumericValue(event)
	{
		if((event.keyCode > 47) &&  (event.keyCode < 58)|| (event.keyCode == 8)  || (event.keyCode == 46))
		{
			event.returnValue = true; 
		}else
		{
			alert("กรุณากรอกเฉพาะตัวเลข !");
			event.returnValue = false;
		}
	}
	function gos(){
	if(document.chkSalary.salary.value.length==0){
	return false;
	}else{
	 document.chkSalary.submit();
	 }
	}