// some init
function cp_init() {
//
}
function cp_getBrowser() {
    var agt = navigator.userAgent.toLowerCase();
    var app = navigator.appName.toLowerCase();
    var ieAgent = agt.indexOf('msie');
    var nsAgent = app.indexOf('netscape');
    var opAgent = app.indexOf('opera');
    if (ieAgent!= -1) {
        return 'IE';
    } else if (nsAgent!= -1) {
        return 'NETSCAPE';
    } else if (opAgent!= -1){
        return 'OPERA';;
    }
}
function cp_isIE() {
    return cp_getBrowser()=='IE';
}
function cp_isNetscape() {
    return cp_getBrowser()=='NETSCAPE';
}
function cp_isOpera() {
    return cp_getBrowser()=='OPERA';
}

function cp_addToFavorites(url, title){

    url   = (url==undefined)? "http://www.cad-programs.com": url;
    title = (title==undefined)? "CAD programy, Ing. Jan Vlčinský": title;

    if (document.all) {
        window.external.AddFavorite(url, title);
    } else if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) {
        window.sidebar.addPanel(title, url, "");
    }
}

// var NSstring = "Click [Ctrl + D] ";
// var OPstring = "Click [Ctrl + T]";
// var agt = navigator.userAgent.toLowerCase();
// var app = navigator.appName.toLowerCase();
// var ieAgent = agt.indexOf('msie');
// var nsAgent = app.indexOf('netscape');
// var opAgent = app.indexOf('opera');
// if (ieAgent!= -1) {
//     whichString = IEstring;
// } else if (nsAgent!= -1) {
//     whichString = NSstring;
// } else if (opAgent!= -1){
//     whichString = OPstring;
// }