function Login(f) {
	if (f.id.value == "") {
		alert("¾ÆÀ̵𸦠ÀÔ·ÂÇÏ¿© Áֽʽÿä!");
		f.id.focus();return false;
	}
	if (f.pwd.value == "") {
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä!");
		f.pwd.focus();return false;
	}
}

// ¾ÕµÚ °ø¹é Á¦°Å
function trim(sText) {
	sText = sText.replace(/^\s*/, "").replace(/\s*$/, "");
	return sText;
} 

function auto_focus(obj1,len,obj2) {
	if (obj1.value.length == len) obj2.focus();
}

function chat() {
		w = window.open("chat.asp","","width=580,height=400,left=0,top=0");
		w.focus();
	}