// JavaScript Document
function chk_form(form)
	{
		if(form.username.value == ''){
		alert("�п�J�b��.");
		form.username.focus();
		return false;
		}		
		if(form.password.value == ''){
		alert("�п�J�K�X.");
		form.password.focus();
		return false;
		}		
		if(form.password.value.length < 6) {
			alert('�п�J�K�X,���6�X�H�W!!');
			form.password.focus();
			return false;
		}

		return true;			
	}

function password_event(){
	var pw1,pw2,Pw;
	pw1=document.getElementById("top_password");
	pw2=document.getElementById("top_password_2");
	pw1.style.display="none";
	pw2.style.display="";
	Pw2.focus();
}