var bf0 = false;
var bf1 = false;
var bf2 = false;
var bf3 = false;
var bIE = false;
var strTag = "";

if (navigator.appVersion.indexOf("MSIE") == -1) {
	bIE = false;
} else {
	bIE = true;
}

if(bIE==true) {
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('bf0 = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
	document.write('bf1 = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
	document.write('bf2 = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
	document.write('bf3 = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');	
	document.write('</SCR' + 'IPT\> \n');
} else {
	if (navigator.plugins["Shockwave Flash 3.0"] || navigator.plugins["Shockwave Flash"]) {	
		var strVersion = navigator.plugins["Shockwave Flash 3.0"] ? " 3.0" : "";
		var strDescription = navigator.plugins["Shockwave Flash" + strVersion].description;
		strVersion = parseInt(strDescription.charAt(strDescription.indexOf(".") - 1));
		if (strVersion == "0") {strTag = "";}
		if (strVersion == "3") {strTag = ".2";}
		if (strVersion == "4") {strTag = ".3";}
		if (strVersion == "5") {strTag = ".4";}
	} else if (navigator.appVersion.indexOf("MSIE") == -1) {
		strTag = "";
	}
}

function sniff() {
	var intAxel = Math.random() + "";
	var ord = intAxel * 1000000000000000000;
	if (bIE) {
		strTag = "";
		if (bf0==true) {strTag = "";}
		if(bf1==true) {strTag = ".2";} 
		if(bf2==true) {strTag = ".3";} 
		if(bf3==true) {strTag = ".4";}
	}
	strReturn = "<IMG SRC='http://ad.doubleclick.net/ad/N553.amex/B36718" + strTag + ";sz=1x1;ord=" + ord + "?' BORDER=0 WIDTH=1 HEIGHT=1 ALT=''>";
	return strReturn;
}