var gPlatform = window.navigator.platform;
var gUseragent = window.navigator.userAgent;
var gAppname = window.navigator.appName;
var gPlugins = window.navigator.plugins;
var gMimetypes = window.navigator.mimeTypes;

var gDocumentall = (document.all) ? true : false;
var gDocumentlayers = (document.layers) ? true : false;
var gDOM = (document.getElementById) ? true : false;
var gWindowprint = (window.print) ? true : false;
var gCookie = (window.navigator.cookieEnabled) ? true : false;

var gMacintosh = (gPlatform.indexOf('Mac') != -1) ? true : false;
var gWindows = (gPlatform.indexOf('Win') != -1) ? true : false;
var gXPSP2 = (gUseragent.indexOf('SV1') != -1) ? true : false;

var gOpera = (gUseragent.indexOf('Opera') != -1) ? true : false;
var gOpera6 = null;
var gOpera7 = null;

var gIE =  (gUseragent.indexOf('MSIE') != -1) ? true : false;
var gIE3 = null;
var gIE4 = null;
var gIE40 = null;
var gIE45 = null;
var gIE5 = null;
var gIE50 = null;
var gIE55 = null;
var gIE6 = null;

var gNetscape = (gAppname.indexOf('Netscape') != -1) ? true : false;
var gNN2 = null;
var gNN3 = null;
var gNN4 = null;
var gNN6 = null;
var gNN7 = null;

var gMozilla = (gUseragent.indexOf('Mozilla') != -1) ? true : false;
var gFirefox = (gUseragent.indexOf('Firefox') != -1) ? true : false;
var gGecko = (gUseragent.indexOf('Gecko/') != -1) ? true : false;

var gSafari = (gUseragent.indexOf('Safari') != -1) ? true : false;
var gSafari085 = (gUseragent.indexOf('Safari/85') != -1) ? true : false;
var gSafari100 = (gUseragent.indexOf('Safari/100') != -1) ? true : false;
var gSafari125 = (gUseragent.indexOf('Safari/125') != -1) ? true : false;

if(gOpera) {
	gOpera6 = (gUseragent.indexOf('Opera 6') != -1) ? true : false;
	gOpera7 = (gUseragent.indexOf('Opera 7') != -1) ? true : false;
} else if(gUseragent.indexOf('compatible')) {
	gIE3 = (gUseragent.indexOf('MSIE 3') != -1) ? true : false;
	gIE40 = (gUseragent.indexOf('MSIE 4.0') != -1) ? true : false;
	gIE45 = (gUseragent.indexOf('MSIE 4.5') != -1) ? true : false;
	gIE50 = (gUseragent.indexOf('MSIE 5.0') != -1) ? true : false;
	gIE55 = (gUseragent.indexOf('MSIE 5.5') != -1) ? true : false;
	gIE6 = (gUseragent.indexOf('MSIE 6') != -1) ? true : false;
	gIE4 = (gIE40 || gIE45) ? true : false;
	gIE5 = (gIE50 || gIE55) ? true : false;
}

if(gNetscape) {
	gNN2 = (gUseragent.indexOf('Mozilla/2') != -1) ? true : false;
	gNN3 = (gUseragent.indexOf('Mozilla/3') != -1) ? true : false;
	gNN4 = (gUseragent.indexOf('Mozilla/4') != -1) ? true : false;
	gNN6 = (gUseragent.indexOf('Netscape6') != -1) ? true : false;
	gNN7 = (gUseragent.indexOf('Netscape/7') != -1) ? true : false;
}

if(gNN4) {
	with(document) {
		open();
		writeln('<' + 'style type=text/css>');
		writeln('h1 img, h2 img, h3 img, h4 img, h5 img, h6 img, h1 a img, h2 a img, h3 a img, h4 a img, h5 a img, h6 a img {');
		writeln('line-height: 0px;');
		writeln('}');
		writeln('<' + '/style>');
		close();
	}
}