function isLogin_member(form)
{
	if(form.user_name_login.value.search(/\S/)==-1)
	{
		alert("Please enter the username");
		form.user_name_login.focus();
		return false;
	}
	if(form.password_login.value.search(/\S/)==-1)
	{
		alert("Please enter the password");
		form.password_login.focus();
		return false;
	}
}