// OS Browser Check
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));

// Read StyleSheet
if(Win){
	if(NN4){
		document.write('<link rel="stylesheet" href="css/nn4.css" type="text/css">');
	}else{
		document.write('<link rel="stylesheet" href="css/win.css" type="text/css">');
	}
}else{
	if(Mac){
		if(NN4){
			document.write('<link rel="stylesheet" href="css/nn4.css" type="text/css">');
		}else{
			document.write('<link rel="stylesheet" href="css/mac.css" type="text/css">');
		}
	}else{
		document.write('<link rel="stylesheet" href="css/cmn.css" type="text/css">');
	}
}

// Reload
function N4_Reload(init){
	if (init==true) with (navigator) {
		if((appName=="Netscape") && (parseInt(appVersion)==4)){
			document.N4_pgW = innerWidth;
			document.N4_pgH = innerHeight;
			onresize = N4_Reload;
		}
	} else if(innerWidth != document.N4_pgW || innerHeight != document.N4_pgH) location.reload();
}
N4_Reload(true);

// 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];
		}
	}
}

// Get Object
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;
}

// Swap Image
function SwapImg(){
	var i , j = 0 , x , a = SwapImg.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];
	}
}

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

// Common PreLoad
function cmnPreLoad(){
	PreLoad();
}