function submit_check(t)
{
	tar = new Array(t.uid, t.pwd); 
	str = new Array('¾ÆÀ̵ð', 'ºñ¹Ð¹øÈ£');
	len = new Array(4, 4);
	
	for (i=0; i<tar.length; i++)
	{
		if (tar[i].value == "")
		{
			alert(str[i] + "À»(¸¦) ÀÔ·ÂÇÏ¿© Áֽñ⠹ٶø´Ï´Ù.");
			tar[i].focus();
			return false;
		}
	}
}