function detectBrowser() {
    var BO = new Object();
    BO["ie"]        = false /*@cc_on || true @*/;
    BO["ie4"]       = BO["ie"] && (document.getElementById == null);
    BO["ie5"]       = BO["ie"] && (document.namespaces == null) && (!BO["ie4"]);
    BO["ie6"]       = BO["ie"] && (document.implementation != null) && (document.implementation.hasFeature != null);
    BO["ie55"]      = BO["ie"] && (document.namespaces != null) && (!BO["ie6"]);
    /*@cc_on
    BO["ie7"]       = @_jscript_version == '5.7';
    @*/
    BO["ns4"]       = !BO["ie"] &&  (document.layers != null) &&  (window.confirm != null) && (document.createElement == null);
    BO["opera"]     = (self.opera != null);
    BO["gecko"]     = (document.getBoxObjectFor != null);
    BO["khtml"]     = (navigator.vendor == "KDE");
    BO["konq"]      = ((navigator.vendor == 'KDE') || (document.childNodes) && (!document.all) && (!navigator.taintEnabled));
    BO["safari"]    = (document.childNodes) && (!document.all) && (!navigator.taintEnabled) && (!navigator.accentColorName);
    BO["safari1.2"] = (parseInt(0).toFixed == null) && (BO["safari"] && (window.XMLHttpRequest != null));
    BO["safari2.0"] = (parseInt(0).toFixed != null) && BO["safari"] && !BO["safari1.2"];
    BO["safari1.1"] = BO["safari"] && !BO["safari1.2"] && !BO["safari2.0"];
    return BO;
}