// ########## Delete Error Message
window.onerror = null;

// ########## OS & Browser Info
var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var NN4 = ((NN && navigator.appVersion.indexOf('4.',0) != -1));

// ########## Select Style
if(Mac){
	document.write('<link rel="stylesheet" href="/css/mac.css" type="text/css">');
}else{
	document.write('<link rel="stylesheet" href="/css/win.css" type="text/css">');
}


// ########## Anchor
function forAnc() {
	window.scroll(0,0);
}


// ########## Browser Info
var ie = (document.all);
var nn4 = (document.layers);
var nn6 = (!document.all && document.getElementById);


// ########## PullDown Layer
var layerlist = new Array('menu01');

function showLayer(slayer){
	if(nn4){
		document.layers['menu'+slayer].visibility = 'visible';
	}
	if(ie){
		document.all['menu'+slayer].style.visibility = 'visible';
	}
	if(nn6){
		document.getElementById('menu'+slayer).style.visibility = 'visible';
	}
}

function clearAll(nowlayer){
if(nn4){
	for(i = 0 ; i < layerlist.length ; i++){
		if(layerlist[i]!='menu'+nowlayer){
			document.layers[layerlist[i]].visibility = 'hidden';
		}
	}
}
if(ie){
	for(i = 0 ; i < layerlist.length ; i++){
		if (layerlist[i]!='menu'+nowlayer){
			document.all[layerlist[i]].style.visibility = 'hidden';
		}
	}
}
if(nn6){
	for(i = 0 ; i < layerlist.length ; i++){
		if(layerlist[i]!='menu'+nowlayer){
			document.getElementById(layerlist[i]).style.visibility = 'hidden';
		}
	}
}
}

var timerID = 0;

function Timer(a){
	if(a == 'on'){
		timerID = setTimeout('clearAll("0")',430);
	}else{
		clearTimeout(timerID);
	}
}

// ########## NN4 reload
function reloadPage(init){
	if(init==true) with(navigator){
		if((appName=="Netscape")&&(parseInt(appVersion)==4)){
			document.pgW=innerWidth;
			document.pgH=innerHeight;
			window.onresize=reloadPage;
		}
	}else if(innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}

reloadPage(true);


// ########## IMG PreLoad
function PreLoad() {
	var d = document;
	if(d.images){
		if(!d.My_IMG) d.My_IMG = new Array();
		var i , j = d.My_IMG.length , a = PreLoad.arguments;
		for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){
			d.My_IMG[j] = new Image;
			d.My_IMG[j++].src = a[i];
		}
	}
}


// ########## Object Serch
function GetObj(n, d) {
	var p,i,x;
	if(!d) d = document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d = parent.frames[n.substring(p+1)].document;
		n = n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x = d.all[n];
	for(i=0; !x&&i<d.forms.length; i++) x = d.forms[i][n];
	for(i=0; !x&&d.layers&&i<d.layers.length; i++) x = GetObj(n,d.layers[i].document);
	if(!x && document.getElementById) x = document.getElementById(n);
	return x;
}


// ########## Chg IMG
function ChgIMG() {
	var i , j = 0 , x , a = ChgIMG.arguments;
	document.My_sr = new Array;
	for(i=0; i<(a.length-2); i+=3) if ((x=GetObj(a[i]))!=null){
		document.My_sr[j++] = x;
		if(!x.oSrc) x.oSrc = x.src;
		x.src = a[i+2];
	}
}


// ##########IMG Reset
function ResetIMG() {
	var i , x , a = document.My_sr;
	for(i=0; a&&i<a.length&&(x=a[i])&&x.oSrc; i++) x.src = x.oSrc;
}


// ########## PullDown Menu Link
function JumpMenu(targ,selObj,restore){
	if(selObj.options[selObj.selectedIndex].value != "-"){
		eval(targ + ".location='" + selObj.options[selObj.selectedIndex].value + "'");
	}
	if (restore) selObj.selectedIndex = 0;
}


// ########## Sub Window
//function WinOpen(URL,WN,F) {
//	if(sbwin_closed(window.newwin)){
//	newwin = window.open(URL,WN,F);
//		newwin.focus();
//	}else{
//		newwin.location.href = URL;
//		newwin.focus();
//	}
//}
var newwin;
function WinOpen(URL,WN,F){
	if(newwin){
		if(!newwin.closed){
			newwin = window.open(URL,WN,F);
			newwin.focus();
		}else{
			newwin = window.open(URL,WN,F);
		}
	}else{
		newwin = window.open(URL,WN,F);
	}
}

function sbwin_closed(winVar) {
	var ua = navigator.userAgent
	if( !!winVar ){
		if( ( ua.indexOf('Gecko')!=-1 || ( ua.indexOf('MSIE 4')!=-1 && ua.indexOf('Win')!=-1 ) ) ) return winVar.closed
		else return typeof winVar.document != 'object'
	}else return true
}


// ########## Chg Layer
function SHLayer() {
	var i,p,v,obj,args = SHLayer.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=GetObj(args[i]))!=null) {
		v = args[i+2];
		if (obj.style) {
			obj = obj.style;
			v = (v=='show')?'visible':(v=='hide')?'hidden':v;
		}
		obj.visibility=v;
	}
}