//---- Set this variable only! ----
var buildDir = "js/";
//---------------------------------
var ie4 = false, ie5_mac = false, ie55 = false;
var nn4 = false, dom = false, opera = false, safari = false;
var agent = navigator.userAgent.toLowerCase();
if (agent.indexOf("opera") != -1)
opera = true;
else if (agent.indexOf("chrome") != -1)
dom = true;
else if (agent.indexOf("safari") != -1)
safari = true;
else if (document.all)
{
var version = parseFloat(agent.substr(agent.indexOf("msie")+5, 3));
if (agent.indexOf("mac") != -1 && version >= 5)
ie5_mac = true;
else
{
if (version >= 5.5)
ie55 = true;
else if (version >= 4)
ie4 = true;
}
}
//else if (document.layers)
else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 4 &&
parseInt(navigator.appVersion) < 5)
nn4 = true;
else if (document.getElementById)
dom = true;
var blank = new Image();
blank.src = buildDir + "blank.gif";
if (ie4)
document.write('');
else if (ie5_mac)
document.write('');
else if (ie55)
document.write('');
else if (nn4)
document.write('');
else if (dom)
document.write('');
else if (opera)
document.write('');
else if (safari)
document.write('');
else
{
alert("Your browser doesn't support this script.");
location.href = buildDir + "upgrade.php";
document.write('');
}