function stylesheetAdd(path, file) {
    document.write('<link href="' + path + file + '.css" rel="stylesheet" type="text/css" />');
}

function Test(agent, test, endMark) {
    var tmp = "";
    var version = "";
    var pos = agent.indexOf(test);
    if (pos >= 0) {
        tmp = agent.substring(pos + test.length);
        pos = tmp.indexOf(endMark);
        if (pos >= 0) { tmp = tmp.substring(0, pos); }
        version = tmp;
    }
    return version;
}

var agent = navigator.userAgent;
var browser = "";
var version = "";

version = Test(agent, "MSIE ", ";");
if (version != "") {
    browser = "IE";
}
else {
    version = Test(agent, "Opera/", " ");
    if (version != "") {
        browser = "Opera";
    }
    else {
        version = Test(agent, "Navigator/", " ");
        if (version != "") {
            browser = "Navigator";
        }
        else {
            version = Test(agent, "Flock/", " ");
            if (version != "") {
                browser = "Flock";
            }
            else {
                version = Test(agent, "Firefox/", " ");
                if (version != "") {
                    browser = "Firefox";
                }
                else {
                    version = Test(agent, "Chrome/", " ");
                    if (version != "") {
                        browser = "Chrome";
                    }
                    else {
                        version = Test(agent, "Safari/", " ");
                        if (version != "") {
                            version = Test(agent, "Version/", " ");
                            if (version != "") {
                                browser = "Safari";
                            }
                        }
                    }
                }
            }
        }
    }
}