var d, dom, ie, ienu, ie4, ie5, ie5x, ie6, moz, moznu, mac, win, old, lin, ie5mac, ie5xwin, op, opnu, op4, op5, op6, op7, konq, saf, saf_num;
var navg, nav4, nav5, nav6, nav7;
l='<LINK rel="stylesheet" type="text/css" href="../styles/';
c='.css">';

d = document;
n = navigator;
nav = n.appVersion;
nan = n.appName;
nua = n.userAgent;
win = (nav.indexOf('Win') != -1);
mac = (nav.indexOf('Mac') != -1);
lin = (nav.indexOf('Linux') != -1);

if (!d.layers) {
	
	dom = (d.getElementById); 
	old = (nav.substring(0, 1) < 4);
	op = (nua.indexOf('Opera') != -1);
	moz = (nua.indexOf('Gecko') != -1);
	ie = (d.all && !op);
	konq = (nua.indexOf('Konqueror') != -1);
	saf = (nua.indexOf('Safari') != -1);
	navg = (nua.indexOf('Netscape') != -1);
	
	if (ie) {
		ie_pos = nua.indexOf('MSIE');
		ienu = nua.substr((ie_pos + 5), 3);
		ie4 = (!dom);
		ie5 = (ienu.substring(0, 1) == 5);
		ie6 = (ienu.substring(0, 1) == 6);
		if(ie6) {
			document.write(l + 'ie6' + c);
		}
	}
	
	ie5x = (d.all && dom);
	ie5mac = (mac && ie5);
	ie5mac = (mac && ie5);
	if (ie5mac) {
		document.write(l + 'macie' + c); 
	 } 
	ie5xwin = (win && ie5x);

} else {

	if (nua.indexOf('Mozilla/4')!= -1) {
		document.write(l + 'nn4' + c);
	}
}

if(top.frames.length != 0) {
	top.location = self.location;
}