function doLogin(form){
	if(checkForm(form)){
		form.submit();
	}
}

function doEnterLogin(form){
	var keycode = event.keyCode;
	if(keycode == 13){
		if(checkForm(form)){
			form.submit();
		}
	}
}

function doTab(form){
	var keycode = event.keyCode;
	if(keycode == 13){
		form.upw.focus();
	}
}

function checkForm(form){
	if(form.uid.value==""){
		alert('¾ÆÀ̵𸦠ÀÔ·ÂÇØ ÁֽʽÿÀ.');
		form.uid.focus();
		return false;
	}
	if(form.upw.value==""){
		alert('¾ÏÈ£¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.');
		form.upw.focus();
		return false;
	}
	return true;
}