function isFilled( elm ) {
	if ( elm.value == "" || elm.value == null ) 
		return false;
	else
		return true;
}
function isReady( form ) {
	if ( isFilled(form.user_id) == false ) {
		alert("¾ÆÀ̵𸦠ÀÔ·ÂÇϼ¼¿ä.");
		form.user_id.focus();
		return false;
	}
	if ( isFilled(form.passwd) == false ) {
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		form.passwd.focus();
		return false;
	}
	return true;
}
function login_proc(form){
	if( isReady(form)==true ){
		before_sid_check();//·Î±×ÀÎÀü¿¡ id üũ¿©ºÎ
		form.submit();
	}
}
function key_chk(form){
	if( event.keyCode ==13 ){//¿£ÅÍÅ°¸¦ ´­·¶À»¶§
		login_proc(form);
	}
}

function setCookie( name, value, expiredays ){
	var endDate = new Date();
	endDate.setDate( endDate.getDate()+ expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + endDate.toGMTString() + ";"
}

function getCookie(name){
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        
        while(i< clen){
                var j = i + alen;
                if(document.cookie.substring(i,j)==arg){
                        var end = document.cookie.indexOf(";",j);
                        if(end == -1)
                                end = document.cookie.length;
                        return unescape(document.cookie.substring(j,end));
                }
                i=document.cookie.indexOf(" ",i)+1;
                if (i==0) break;
        }
        return null;
}

function before_sid_check(){//·Î±×ÀÎÀü¿¡ id üũ¿©ºÎ
	sidObj = document.getElementById("sidObj");//id ÀúÀåüũ¹Ú½º
//	saveID = document.getElementById("saveID");//id ÀúÀåüũ¿©ºÎ hidden°ª
	idObj = document.getElementById("idObj");//id ÀÔ·ÂâÀÇ ÀÔ·ÂµÈ id°ª

	if( sidObj.checked == true ){
//		saveID.value="1";
		setCookie("nid_sid", idObj.value, 7);//1ÁÖÀÏ ÀúÀåÇϵµ·Ï ó¸®
	}
	else {
//		saveID.value="0";
		setCookie("nid_sid", "", -7);//üũ ¾ÈµÇÀÖÀ¸¸é ¾ø¾Ö¹ö¸®ÀÚ
	}

}

function sid_check() {//ÆäÀÌÁö ·ÎµùÀü¿¡ id üũ
	var nid_sid = getCookie("nid_sid");
	if ( nid_sid != null && nid_sid != '' && nid_sid != 'null' ) {
		idObj = document.getElementById("idObj");//id ÀÔ·Ââ
		if (idObj) {
			idObj.value = nid_sid;
		}
		sidObj = document.getElementById("sidObj");//id ÀúÀåüũ¹Ú½º
		if (sidObj) {
			sidObj.checked = "checked";
		}
	}
}

function submit_func(form){
	if( form.bname.value=="" ){
		alert("À̸§À» ÀÔ·ÂÇϼ¼¿ä.");
		form.bname.focus();
	}
	else{
		form.submit();
	}
}