browser_version = parseInt(navigator.appVersion);
browser_type = navigator.appName;
platform = navigator.platform;

var css = window.location.pathname;
if (css.match(/\/$/)) {
    css = css + 'index.shtml';
}
css = css.replace(/.*\/(.*)\.shtml/, "$1.css");

var css_dir = "default";
if (platform == "iPhone") {
    css_dir = "iphone";
}
else if (browser_type == "Microsoft Internet Explorer" && (browser_version >= 4)) {
    css_dir = "ie";
}

if (css_dir != "default" && css_dir != "ie") {
    document.write("<link rel='stylesheet' href='css/default/site.css' type='text/css'>");
    document.write("<link rel='stylesheet' href='css/default/" + css + "' type='text/css'>");
}
document.write("<link rel='stylesheet' href='css/" + css_dir + "/site.css' type='text/css'>");
document.write("<link rel='stylesheet' href='css/" + css_dir + "/" + css + "' type='text/css'>");