if(document.images) {

	top1on=new Image;
	top1on.src="../images/menu_b_01.gif";
	top1off=new Image;
	top1off.src="../images/menu_01.gif";

	top2on=new Image;
	top2on.src="../images/menu_b_02.gif";
	top2off=new Image;
	top2off.src="../images/menu_02.gif";

	top3on=new Image;
	top3on.src="../images/menu_b_03.gif";
	top3off=new Image;
	top3off.src="../images/menu_03.gif";

	bcat1on = new Image;
	bcat1on.src = "../images/layer_menu_b_01.gif";
	bcat1off = new Image;
	bcat1off.src = "../images/layer_menu_01.gif";

	bcat2on = new Image;
	bcat2on.src = "../images/layer_menu_b_02.gif";
	bcat2off = new Image;
	bcat2off.src = "../images/layer_menu_02.gif";

	bcat3on = new Image;
	bcat3on.src = "../images/layer_menu_b_03.gif";
	bcat3off = new Image;
	bcat3off.src = "../images/layer_menu_03.gif";

	bcat4on = new Image;
	bcat4on.src = "../images/layer_menu_b_04.gif";
	bcat4off = new Image;
	bcat4off.src = "../images/layer_menu_04.gif";

	bcat5on = new Image;
	bcat5on.src = "../images/layer_menu_b_05.gif";
	bcat5off = new Image;
	bcat5off.src = "../images/layer_menu_05.gif";
}

function search(theform){
	if (theform.search_word.value==0){
		alert("°Ë»öÇÒ ´Ü¾î¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.");
		theform.search_word.focus();
		return false;
	}else if(theform.search_word.value.length < 2){
		alert("°Ë»ö¾î´Â 2ÀÚ ÀÌ»óÀ̾î¾ß ÇÕ´Ï´Ù.");
		theform.search_word.value = "";
		theform.search_word.focus();
		return false;
	}else
		return true;
}

function search_detail(theform){
	if ((theform.search_maker.value==0)&&(theform.search_word.value==0)){
		alert("Á¦Á¶»ç³ª °Ë»ö¾îÁß Çϳª¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.");
		theform.search_maker.focus();
		return false;
	}else
		return true;
}

function login(link){
	window.open(link+'./login/login.asp', 'popup', 'toolbar=no, location=no, status=no, menubar=no, scrollbars=no, resizable=no, width=370, height=230', 1);
}

function show_layer(lname){
	var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
	if (lname == '') return;
	if (navigator.appName == 'Netscape') layer.visibility = 'show';
	else layer.style.visibility = 'visible';
}
		
function hide_layer() {
	var lname = 'topLayer';
	var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
	if (navigator.appName == 'Netscape') layer.visibility = 'hide';
	else layer.style.visibility = 'hidden';
}

function hide_layer2() {
	var lname = 'leftLayer'
	var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
	if (navigator.appName == 'Netscape') layer.visibility = 'hide';
	else layer.style.visibility = 'hidden';
}

function hide_otherLayer2(tname){
	var lname = 'leftLayer'
	if (tname != lname){
	var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
	if (navigator.appName == 'Netscape') layer.visibility = 'hide';
	else layer.style.visibility = 'hidden';
	}
}

window.onerror = IeError;

function IeError(){
	return true;
}

function detailsearch(){
	window.open("../search/detailsearch.asp", "search", "scrollbars=no,status=no,resizable=no, top=80, left=500, width=370, height=230")
}


function noticePop(no){
	var notice ="./popup/notice_view.asp?notice_no="+no;
	var w =window.open(notice,"notice","toolbar=0,location=0,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=387,height=400");
	w.moveTo((screen.width/20), (screen.height/20));
	w.focus();
}